{"id":777,"date":"2026-10-02T13:11:15","date_gmt":"2026-10-02T11:11:15","guid":{"rendered":"https:\/\/www.valfonta.com\/valvules-reductores-de-pressio\/"},"modified":"2026-10-15T14:12:29","modified_gmt":"2026-10-15T12:12:29","slug":"valvules-reductores-de-pressio","status":"publish","type":"page","link":"https:\/\/www.valfonta.com\/ca\/valvules-reductores-de-pressio\/","title":{"rendered":"V\u00e0lvules reductores de pressi\u00f3"},"content":{"rendered":"<div class=\"wp-block-group vf-raiz vf-pl-hub is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-cat-wrap is-layout-flow wp-block-group-is-layout-flow\"><article class=\"wp-block-group vf-pdp vf-cat vf-c2 is-layout-flow wp-block-group-is-layout-flow\"><nav class=\"wp-block-group vf-breadcrumbs vfa-aria-label--Ruta%20de%20navegaci%C3%B3 is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a href=\"\/ca\/\">Inici<\/a><span class=\"vf-sep\">\u203a<\/span><span aria-current=\"page\">V\u00e0lvules reductores de pressi\u00f3<\/span><\/p><\/nav><div class=\"wp-block-group vf-cat-hero vf-c2-hero is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-pdp-eyebrow wp-block-paragraph\">Disseny i fabricaci\u00f3 a Badalona des de 1962<\/p><h1 class=\"wp-block-heading\">V\u00e0lvules reductores de pressi\u00f3<\/h1><p class=\"vf-lead wp-block-paragraph\">Mantenen constant la pressi\u00f3 aig\u00fces avall encara que canvi\u00efn la pressi\u00f3 d'entrada o el consum, sense energia auxiliar. Vuit models de pist\u00f3, membrana o manxa per a vapor, aigua, aire comprimit, gasos i oli.<\/p><ul class=\"vf-pdp-keys wp-block-list\"><li><span>Di\u00e0metres<\/span><b>DN8 a DN150<\/b><\/li><li><span>Pressi\u00f3 d'entrada<\/span><b>fins a 40 barg<\/b><\/li><li><span>Pressi\u00f3 de sortida<\/span><b>0,01 a 20 barg<\/b><\/li><li><span>Temperatura<\/span><b>fins a 220 \u00b0C<\/b><\/li><\/ul><div class=\"wp-block-group vf-pdp-cta is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--pri\" href=\"#solicitar\">Sol\u00b7licitar oferta<\/a><a class=\"vf-btn vf-btn--sec\" data-vf-view-go=\"table\" href=\"#modelos\">Comparar models<\/a><\/p><\/div><p class=\"vf-pdp-contact wp-block-paragraph\">No sap quin model necessita? Truqui al <a href=\"tel:+34933720888\">933 720 888<\/a> o escrigui a <a href=\"mailto:valfonta@valfonta.com\">valfonta@valfonta.com<\/a>.<\/p><\/div><div class=\"wp-block-group vf-c2-finder vfa-aria-labelledby--vf-c2-fh vfa-role--group is-layout-flow wp-block-group-is-layout-flow\"><p id=\"vf-c2-fh\" class=\"vf-fh wp-block-paragraph\">Trobi la seva v\u00e0lvula reductora<\/p><div class=\"wp-block-group vf-grp is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><span class=\"vf-lab\">Fluid<\/span><\/p><div class=\"wp-block-group vf-chips is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><button aria-pressed=\"false\" class=\"vf-chip\" data-v=\"vapor\" data-vf-filter=\"fl\" type=\"button\">Vapor<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-v=\"liq\" data-vf-filter=\"fl\" type=\"button\">Aigua i l\u00edquids<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-v=\"gas\" data-vf-filter=\"fl\" type=\"button\">Aire i gasos<\/button><\/p><\/div><\/div><div class=\"wp-block-group vf-grp is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><span class=\"vf-lab\">Pressi\u00f3 de sortida<\/span><\/p><div class=\"wp-block-group vf-chips is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><button aria-pressed=\"false\" class=\"vf-chip\" data-m=\"s\" data-v=\"0-0.1\" data-vf-filter=\"p\" type=\"button\">Menys de 0,1 barg<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-m=\"s\" data-v=\"0.1-2\" data-vf-filter=\"p\" type=\"button\">0,1 a 2 barg<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-m=\"s\" data-v=\"2-10\" data-vf-filter=\"p\" type=\"button\">2 a 10 barg<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-m=\"s\" data-v=\"10-20\" data-vf-filter=\"p\" type=\"button\">M\u00e9s de 10 barg<\/button><\/p><\/div><\/div><div class=\"wp-block-group vf-grp is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><span class=\"vf-lab\">Di\u00e0metre<\/span><\/p><div class=\"wp-block-group vf-chips is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><button aria-pressed=\"false\" class=\"vf-chip\" data-v=\"0-25\" data-vf-filter=\"dn\" type=\"button\">Fins a DN25<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-v=\"32-50\" data-vf-filter=\"dn\" type=\"button\">DN32 a DN50<\/button><button aria-pressed=\"false\" class=\"vf-chip\" data-v=\"65-150\" data-vf-filter=\"dn\" type=\"button\">DN65 a DN150<\/button><\/p><\/div><\/div><div class=\"wp-block-group vf-fbar is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--pri\" href=\"#modelos\"><span>Veure <b data-vf-count=\"\">8<\/b> <span data-many=\"models\" data-one=\"model\" data-vf-count-txt=\"\">models<\/span><\/span><\/a><button class=\"vf-reset\" data-vf-reset=\"\" hidden type=\"button\">Treure filtres<\/button><\/p><\/div><\/div><\/div><ul class=\"vf-pdp-trust wp-block-list\"><li>Disseny i fabricaci\u00f3 pr\u00f2pies a Badalona<\/li><li>Marcatge ATEX II 2 GD a tota la gamma<\/li><li>Sense energia auxiliar: funcionen amb el mateix fluid<\/li><li>Recanvis originals per a cada model<\/li><\/ul><nav class=\"wp-block-group vf-pdp-nav vfa-aria-label--Contingut%20de%20la%20fitxa is-layout-flow wp-block-group-is-layout-flow\"><ul class=\"wp-block-list\"><li><a href=\"#modelos\">Models<\/a><\/li><li><a href=\"#como-funciona\">Com funciona<\/a><\/li><li><a href=\"#diferencias\">Pist\u00f3, membrana o manxa<\/a><\/li><li><a href=\"#aplicaciones\">Aplicacions<\/a><\/li><li><a href=\"#preguntas\">Preguntes<\/a><\/li><li><a href=\"#solicitar\">Sol\u00b7licitar oferta<\/a><\/li><\/ul><\/nav><section id=\"modelos\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Models de v\u00e0lvules reductores de pressi\u00f3<\/h2><p class=\"vf-c2-intro wp-block-paragraph\">Filtri amb el cercador de la cap\u00e7alera o canvi\u00ef a la taula comparativa. Cada fitxa t\u00e9 les especificacions completes, l'especejament, la instal\u00b7laci\u00f3 i els PDF.<\/p><div class=\"wp-block-group vf-c2-bar is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-count vfa-aria-live--polite wp-block-paragraph\"><b data-vf-count=\"\">8<\/b> <span data-fit=\"1\" data-many=\"models\" data-one=\"model\" data-vf-count-txt=\"\">models<\/span><\/p><p class=\"vf-envolt wp-block-paragraph\"><button class=\"vf-reset\" data-vf-reset=\"\" hidden type=\"button\">Treure filtres<\/button><\/p><div class=\"wp-block-group vf-view vfa-aria-label--Vista vfa-role--tablist is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><button aria-selected=\"true\" data-vf-view=\"cards\" role=\"tab\" type=\"button\">Targetes<\/button><button aria-selected=\"false\" data-vf-view=\"table\" role=\"tab\" type=\"button\">Taula comparativa<\/button><\/p><\/div><\/div><div class=\"wp-block-group vf-c2-cardsview is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-c2-group vfd-group--piston is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-ghead is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Reductores de pist\u00f3<\/h3><p class=\"wp-block-paragraph\">Per a aigua, oli, aire comprimit i gasos neutres. No s\u00f3n indicades per a vapor, excepte la VD, que ara admet vapor fins a 200 \u00b0C.<\/p><\/div><div class=\"wp-block-group vf-c2-cards vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-c2-card vfd-dnmax--20 vfd-dnmin--8 vfd-fl--liq%20gas vfd-pmax--20 vfd-pmin--0.2 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-PRV20-FOTO-700x700-1.jpg\" alt=\"V\u00e0lvula reductora de pressi\u00f3 PRV20 d&#x27;acer inoxidable 316L amb connexi\u00f3 roscada\" class=\"wp-image-198\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Pist\u00f3 \u00b7 inox 316L<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">PRV20<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora compacta de pist\u00f3, amb rosca de \u00bc\u2033 a \u00be\u2033.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,2 a 20 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">40 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN8 a DN20<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">\u221220 a 150 \u00b0C <small>amb juntes de Viton<\/small><\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> necessita sortides altes, fins a 20 barg, en l\u00ednies petites d'aigua, oli, aire comprimit o gasos.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora PRV20\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card vfd-dnmax--25 vfd-dnmin--15 vfd-fl--liq%20gas vfd-pmax--12 vfd-pmin--0.5 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valvula-reductora-presion-prv30-frontal-400.webp\" alt=\"V\u00e0lvula reductora de pressi\u00f3 PRV30 d&#x27;acer inoxidable 316L amb connexi\u00f3 roscada\" class=\"wp-image-199\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Pist\u00f3 \u00b7 inox 316L<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora de pist\u00f3 en inox 316L, amb rosca o brides EN i ANSI.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,5 a 12 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">25 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN25<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">80 \u00b0C <small>125\u2013150 \u00b0C amb EPDM o Viton<\/small><\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> busca una reductora senzilla en inox per a aigua, oli, aire comprimit o gasos neutres.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora PRV30\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card vfd-dnmax--100 vfd-dnmin--15 vfd-fl--vapor%20liq%20gas vfd-pmax--16 vfd-pmin--1.5 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valvula-reductora-presion-vd-perspectiva-400.webp\" alt=\"V\u00e0lvula reductora de pressi\u00f3 VD de pist\u00f3 amb connexi\u00f3 embridada\" class=\"wp-image-10116\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Novetat: vapor fins a 200 \u00b0C<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora de pist\u00f3 guiat en 3 punts, en bronze, acer WCB o inox CF3M.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">1,5 a 16 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">40 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN100<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">vapor fins a 200 \u00b0C <small>\u221220 a 200 \u00b0C amb juntes AFLAS<\/small><\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> necessita cabals alts de vapor fins a 200 \u00b0C, aigua, fuel-oil, aire comprimit o gasos neutres, fins a DN100.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora VD\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-group vfd-group--membrana is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-ghead is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Reductores de membrana<\/h3><p class=\"wp-block-paragraph\">La membrana permet regular pressions de sortida molt baixes, des de 10 mbar, i treballar amb vapor amb canonada de comandament i protecci\u00f3 de la membrana.<\/p><\/div><div class=\"wp-block-group vf-c2-cards vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-c2-card vfd-dnmax--25 vfd-dnmin--15 vfd-fl--vapor%20liq%20gas vfd-pmax--8 vfd-pmin--0.01 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-PRV45-55-700x700-1.jpg\" alt=\"V\u00e0lvula reductora de pressi\u00f3 PRV45 d&#x27;acer inoxidable 316L amb actuador de membrana per a baixa pressi\u00f3\" class=\"wp-image-191\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Membrana \u00b7 baixa pressi\u00f3<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora de membrana en inox 316L per a pressions de sortida molt baixes.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,01 a 8 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">16 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN25<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">vapor fins a 150 \u00b0C <small>\u221210 a 150 \u00b0C amb juntes de Viton<\/small><\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> necessita regular des de 10 mbar gasos, aire comprimit, nitrogen o vapor.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora PRV45\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card vfd-dnmax--100 vfd-dnmin--15 vfd-fl--vapor%20liq%20gas vfd-pmax--10 vfd-pmin--0.02 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2-PROVISIONAL-700x700-1.jpg\" alt=\"V\u00e0lvula reductora de pressi\u00f3 de membrana M2 amb cos embridat i actuador de membrana\" class=\"wp-image-193\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Membrana<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora de membrana d'acci\u00f3 directa, amb brides EN o ANSI o amb rosca.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,02 a 10 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">40 barg <small>25 des de DN65<\/small><\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN100<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">vapor fins a 180 \u00b0C <small>amb tanc de condensaci\u00f3<\/small><\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> necessita sortides baixes, des de 0,02 barg, en di\u00e0metres mitjans i grans.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora M2\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card vfd-dnmax--150 vfd-dnmin--15 vfd-fl--vapor%20liq%20gas vfd-pmax--15 vfd-pmin--0.1 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valvula-reductora-presion-m1-perspectiva-400.webp\" alt=\"V\u00e0lvula reductora de pressi\u00f3 M1 autoaccionada, amb cos embridat i actuador de membrana\" class=\"wp-image-201\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Membrana \u00b7 gran cabal<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora autoaccionada de membrana, fins a DN150 i Kv de 240 m\u00b3\/h.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,1 a 15 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">40 barg <small>25 des de DN65<\/small><\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN150<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">vapor fins a 220 \u00b0C <small>amb tanc de condensaci\u00f3<\/small><\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> regula vapor o l\u00edquids calents en grans cabals, fins a DN150.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora M1\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-group vfd-group--fuelle is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-ghead is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Reductores de manxa<\/h3><p class=\"wp-block-paragraph\">Pensades per a vapor: la PRV44 treballa fins a 210 \u00b0C i la M2F, fins a 200 \u00b0C sense tanc de condensaci\u00f3.<\/p><\/div><div class=\"wp-block-group vf-c2-cards vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-c2-card vfd-dnmax--25 vfd-dnmin--15 vfd-fl--vapor%20liq%20gas vfd-pmax--12 vfd-pmin--0.5 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-PRV30-44-700x700-1.jpg\" alt=\"V\u00e0lvula reductora de pressi\u00f3 PRV44 amb manxa, d&#x27;acer inoxidable 316L, per a vapor\" class=\"wp-image-181\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Manxa \u00b7 vapor<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora equilibrada per manxa, tota d'acer inoxidable 316L.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,5 a 12 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">25 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN25<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">vapor fins a 210 \u00b0C<\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> regula vapor o fluids calents en l\u00ednies petites.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora PRV44\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card vfd-dnmax--50 vfd-dnmin--15 vfd-fl--vapor%20liq%20gas vfd-pmax--10 vfd-pmin--1 vfd-vf-item--p vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-img is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-image vf-img-suelta\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2F-700x700-1.jpg\" alt=\"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F, amb cos embridat i caputx\u00f3 de la molla\" class=\"wp-image-202\" width=\"160\" height=\"160\" loading=\"lazy\"><\/a><\/figure><\/div><div class=\"wp-block-group vf-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-tag wp-block-paragraph\">Manxa \u00b7 sense barrilet<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\">M2F<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Reductora equilibrada per manxa que treballa amb vapor sense tanc de condensaci\u00f3.<\/p><div class=\"wp-block-group vf-t-dl is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Sortida<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">1 a 10 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Entrada m\u00e0x.<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">25 barg<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Di\u00e0metre<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN15 a DN50<\/p><\/div><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-t-dt vf-p0 wp-block-paragraph\">Temperatura<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">vapor fins a 200 \u00b0C<\/p><\/div><\/div><p class=\"vf-fit wp-block-paragraph\"><b>Tri\u00ef-la si<\/b> regula vapor fins a 200 \u00b0C i vol prescindir del barrilet.<\/p><div class=\"wp-block-group vf-act is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\">Veure fitxa<\/a><a class=\"vf-btn vf-btn--pri\" data-vf-model=\"Reductora M2F\" href=\"#solicitar\">Demanar oferta<\/a><\/p><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-table vfa-hidden-- is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-tbl-wrap is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-table vf-tbl vf-tbl--grid\"><table><thead><tr><th scope=\"col\"><button data-type=\"t\" data-vf-sort=\"0\" type=\"button\">Model<\/button><\/th><th scope=\"col\"><button data-type=\"t\" data-vf-sort=\"1\" type=\"button\">Tipus<\/button><\/th><th scope=\"col\"><button data-type=\"n\" data-vf-sort=\"2\" type=\"button\">DN<\/button><\/th><th scope=\"col\"><button data-type=\"n\" data-vf-sort=\"3\" type=\"button\">Entrada m\u00e0x. (barg)<\/button><\/th><th scope=\"col\"><button data-type=\"n\" data-vf-sort=\"4\" type=\"button\">Sortida (barg)<\/button><\/th><th scope=\"col\"><button data-type=\"n\" data-vf-sort=\"5\" type=\"button\">T. m\u00e0x. (\u00b0C)<\/button><\/th><th scope=\"col\"><button data-type=\"n\" data-vf-sort=\"6\" type=\"button\">Vapor<\/button><\/th><\/tr><\/thead><tbody><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"20\" data-dnmin=\"8\" data-fl=\"liq gas\" data-pmax=\"20\" data-pmin=\"0.2\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"PRV20\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">PRV20<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Pist\u00f3\"><\/span>Pist\u00f3<\/td><td><span class=\"vf-dato\" hidden data-s=\"8\"><\/span>8 \u2013 20<\/td><td><span class=\"vf-dato\" hidden data-s=\"40\"><\/span>40<\/td><td><span class=\"vf-dato\" hidden data-s=\"0.2\"><\/span>0,2 \u2013 20<\/td><td><span class=\"vf-dato\" hidden data-s=\"150\"><\/span>150<\/td><td><span class=\"vf-dato\" hidden data-s=\"0\"><\/span>No<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"25\" data-dnmin=\"15\" data-fl=\"liq gas\" data-pmax=\"12\" data-pmin=\"0.5\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"PRV30\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Pist\u00f3\"><\/span>Pist\u00f3<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 25<\/td><td><span class=\"vf-dato\" hidden data-s=\"25\"><\/span>25<\/td><td><span class=\"vf-dato\" hidden data-s=\"0.5\"><\/span>0,5 \u2013 12<\/td><td><span class=\"vf-dato\" hidden data-s=\"80\"><\/span>80*<\/td><td><span class=\"vf-dato\" hidden data-s=\"0\"><\/span>No<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"100\" data-dnmin=\"15\" data-fl=\"vapor liq gas\" data-pmax=\"16\" data-pmin=\"1.5\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"VD\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Pist\u00f3\"><\/span>Pist\u00f3<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 100<\/td><td><span class=\"vf-dato\" hidden data-s=\"40\"><\/span>40<\/td><td><span class=\"vf-dato\" hidden data-s=\"1.5\"><\/span>1,5 \u2013 16<\/td><td><span class=\"vf-dato\" hidden data-s=\"200\"><\/span>200<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"25\" data-dnmin=\"15\" data-fl=\"vapor liq gas\" data-pmax=\"8\" data-pmin=\"0.01\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"PRV45\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Membrana\"><\/span>Membrana<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 25<\/td><td><span class=\"vf-dato\" hidden data-s=\"16\"><\/span>16<\/td><td><span class=\"vf-dato\" hidden data-s=\"0.01\"><\/span>0,01 \u2013 8<\/td><td><span class=\"vf-dato\" hidden data-s=\"150\"><\/span>150<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"100\" data-dnmin=\"15\" data-fl=\"vapor liq gas\" data-pmax=\"10\" data-pmin=\"0.02\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"M2\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Membrana\"><\/span>Membrana<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 100<\/td><td><span class=\"vf-dato\" hidden data-s=\"40\"><\/span>40<\/td><td><span class=\"vf-dato\" hidden data-s=\"0.02\"><\/span>0,02 \u2013 10<\/td><td><span class=\"vf-dato\" hidden data-s=\"180\"><\/span>180<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"150\" data-dnmin=\"15\" data-fl=\"vapor liq gas\" data-pmax=\"15\" data-pmin=\"0.1\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"M1\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Membrana\"><\/span>Membrana<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 150<\/td><td><span class=\"vf-dato\" hidden data-s=\"40\"><\/span>40<\/td><td><span class=\"vf-dato\" hidden data-s=\"0.1\"><\/span>0,1 \u2013 15<\/td><td><span class=\"vf-dato\" hidden data-s=\"220\"><\/span>220<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"25\" data-dnmin=\"15\" data-fl=\"vapor liq gas\" data-pmax=\"12\" data-pmin=\"0.5\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"PRV44\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Manxa\"><\/span>Manxa<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 25<\/td><td><span class=\"vf-dato\" hidden data-s=\"25\"><\/span>25<\/td><td><span class=\"vf-dato\" hidden data-s=\"0.5\"><\/span>0,5 \u2013 12<\/td><td><span class=\"vf-dato\" hidden data-s=\"210\"><\/span>210<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-dnmax=\"50\" data-dnmin=\"15\" data-fl=\"vapor liq gas\" data-pmax=\"10\" data-pmin=\"1\" data-vf-item=\"t\"><\/span><span class=\"vf-dato\" hidden data-s=\"M2F\"><\/span><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\">M2F<\/a><\/th><td><span class=\"vf-dato\" hidden data-s=\"Manxa\"><\/span>Manxa<\/td><td><span class=\"vf-dato\" hidden data-s=\"15\"><\/span>15 \u2013 50<\/td><td><span class=\"vf-dato\" hidden data-s=\"25\"><\/span>25<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>1 \u2013 10<\/td><td><span class=\"vf-dato\" hidden data-s=\"200\"><\/span>200<\/td><td><span class=\"vf-dato\" hidden data-s=\"1\"><\/span>S\u00ed<\/td><\/tr><\/tbody><\/table><\/figure><\/div><p class=\"vf-note wp-block-paragraph\">* PRV30: 80 \u00b0C amb juntes NBR; de 125 a 150 \u00b0C amb EPDM o Viton. Dades del cat\u00e0leg general de reductores de Valfonta (2025); la M2F no hi figura i les seves dades procedeixen de la seva fitxa t\u00e8cnica. A la M1 i la M2, l'entrada m\u00e0xima baixa a 25 barg des de DN65.<\/p><\/div><div class=\"wp-block-group vf-c2-empty vfa-hidden-- is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\"><b>Cap model est\u00e0ndard no encaixa amb aquests filtres.<\/b> Valfonta adapta models i dissenya v\u00e0lvules a mida: expliqui'ns la seva aplicaci\u00f3 al <a data-vf-model=\"No ho s\u00e9 \/ necessito assessorament\" href=\"#solicitar\">formulari<\/a> o vegi el <a href=\"\/ca\/disseny-de-valvules-de-control\/\">servei de disseny a mida<\/a>.<\/p><\/div><\/section><section id=\"como-funciona\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Com funciona i on s'instal\u00b7la<\/h2><div class=\"wp-block-group vf-c2-how is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-txt is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Una v\u00e0lvula reductora rep el fluid a una pressi\u00f3 alta i variable i el lliura aig\u00fces avall a una pressi\u00f3 m\u00e9s baixa i estable, la que vost\u00e8 ajusta amb el cargol de regulaci\u00f3. Protegeix els equips que no suporten la pressi\u00f3 de la xarxa i fa que el proc\u00e9s treballi sempre en les mateixes condicions.<\/p><p class=\"wp-block-paragraph\">Les reductores de Valfonta s\u00f3n <strong>autoaccionades<\/strong>: una molla s'oposa a la pressi\u00f3 de sortida i aquest equilibri mou l'obturador, sense aire, electricitat ni sistema de control. En comprimir la molla augmenta la pressi\u00f3 de sortida.<\/p><p class=\"wp-block-paragraph\">S'instal\u00b7len a la l\u00ednia, abans del consum que han de protegir, amb v\u00e0lvules de tall, filtre, man\u00f2metres d'entrada i de sortida i una v\u00e0lvula de seguretat aig\u00fces avall. Vegi com s'instal\u00b7la una reductora i com es regula.<\/p><\/div><div class=\"wp-block-group vf-diagram vf-t-figure is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-svgw is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><svg aria-label=\"Esquema d'instal\u00b7laci\u00f3 recomanat d'una v\u00e0lvula reductora de pressi\u00f3, amb bypass\" role=\"img\" viewbox=\"0 0 900 230\"><path d=\"M20 120 H880\" fill=\"none\" stroke=\"#9aa0a6\" stroke-width=\"6\"><\/path><path d=\"M70 120 V40 H760 V120\" fill=\"none\" stroke=\"#9aa0a6\" stroke-dasharray=\"2 0\" stroke-width=\"4\"><\/path><path d=\"M865 120 l14 0 -10 -7 m10 7 -10 7\" fill=\"none\" stroke=\"#1e2123\" stroke-width=\"3\"><\/path><g><path d=\"M415 40 l-14 -10 v20 z M415 40 l14 -10 v20 z\" fill=\"#fff\" stroke=\"#1e2123\" stroke-width=\"2\"><\/path><line stroke=\"#1e2123\" stroke-width=\"2\" x1=\"415\" x2=\"415\" y1=\"40\" y2=\"22\"><\/line><rect fill=\"#1e2123\" height=\"4\" width=\"16\" x=\"407\" y=\"18\"><\/rect><circle cx=\"415\" cy=\"72\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"415\" y=\"76\">1b<\/text><\/g><g><path d=\"M130 120 l-14 -10 v20 z M130 120 l14 -10 v20 z\" fill=\"#fff\" stroke=\"#1e2123\" stroke-width=\"2\"><\/path><line stroke=\"#1e2123\" stroke-width=\"2\" x1=\"130\" x2=\"130\" y1=\"120\" y2=\"102\"><\/line><rect fill=\"#1e2123\" height=\"4\" width=\"16\" x=\"122\" y=\"98\"><\/rect><circle cx=\"130\" cy=\"152\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"130\" y=\"156\">1<\/text><\/g><g><rect fill=\"#fff\" height=\"36\" rx=\"4\" stroke=\"#1e2123\" stroke-width=\"2\" width=\"60\" x=\"195\" y=\"102\"><\/rect><circle cx=\"225\" cy=\"160\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"225\" y=\"164\">2<\/text><\/g><path d=\"M205 112 h40 M205 120 h40 M205 128 h40\" stroke=\"#1e2123\" stroke-width=\"1.5\"><\/path><g><line stroke=\"#1e2123\" stroke-width=\"2\" x1=\"300\" x2=\"300\" y1=\"116\" y2=\"90\"><\/line><circle cx=\"300\" cy=\"77\" fill=\"#fff\" r=\"13\" stroke=\"#1e2123\" stroke-width=\"2\"><\/circle><line stroke=\"#e6305d\" stroke-width=\"2\" x1=\"300\" x2=\"307\" y1=\"77\" y2=\"70\"><\/line><circle cx=\"324\" cy=\"64\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"324\" y=\"68\">3<\/text><\/g><g><rect fill=\"#fdecf1\" height=\"68\" rx=\"4\" stroke=\"#e6305d\" stroke-width=\"2\" width=\"110\" x=\"360\" y=\"86\"><\/rect><circle cx=\"415\" cy=\"176\" fill=\"#e6305d\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"415\" y=\"180\">4<\/text><\/g><path d=\"M392 120 h46 l-10 -8 m10 8 -10 8\" fill=\"none\" stroke=\"#e6305d\" stroke-width=\"2.5\"><\/path><path d=\"M470 156 V198\" stroke=\"#1e2123\" stroke-dasharray=\"4 4\" stroke-width=\"2\"><\/path><path d=\"M620 150 V198\" stroke=\"#1e2123\" stroke-dasharray=\"4 4\" stroke-width=\"2\"><\/path><path d=\"M474 190 H616\" stroke=\"#1e2123\" stroke-width=\"2\"><\/path><path d=\"M474 190 l8 -5 v10 z M616 190 l-8 -5 v10 z\" fill=\"#1e2123\"><\/path><text fill=\"#1e2123\" font-family=\"Montserrat,Arial\" font-size=\"13\" text-anchor=\"middle\" x=\"545\" y=\"214\">0,5 \u2013 1 m<\/text><g><rect fill=\"#fff\" height=\"34\" rx=\"4\" stroke=\"#1e2123\" stroke-width=\"2\" width=\"26\" x=\"610\" y=\"68\"><\/rect><circle cx=\"623\" cy=\"124\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"623\" y=\"128\">5<\/text><\/g><path d=\"M623 102 V117\" stroke=\"#1e2123\" stroke-width=\"2\"><\/path><g><line stroke=\"#1e2123\" stroke-width=\"2\" x1=\"690\" x2=\"690\" y1=\"116\" y2=\"90\"><\/line><circle cx=\"690\" cy=\"77\" fill=\"#fff\" r=\"13\" stroke=\"#1e2123\" stroke-width=\"2\"><\/circle><line stroke=\"#e6305d\" stroke-width=\"2\" x1=\"690\" x2=\"697\" y1=\"77\" y2=\"70\"><\/line><circle cx=\"714\" cy=\"64\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"714\" y=\"68\">6<\/text><\/g><g><path d=\"M800 120 l-14 -10 v20 z M800 120 l14 -10 v20 z\" fill=\"#fff\" stroke=\"#1e2123\" stroke-width=\"2\"><\/path><line stroke=\"#1e2123\" stroke-width=\"2\" x1=\"800\" x2=\"800\" y1=\"120\" y2=\"102\"><\/line><rect fill=\"#1e2123\" height=\"4\" width=\"16\" x=\"792\" y=\"98\"><\/rect><circle cx=\"800\" cy=\"152\" fill=\"#1e2123\" r=\"11\"><\/circle><text fill=\"#fff\" font-family=\"Montserrat,Arial\" font-size=\"12\" font-weight=\"700\" text-anchor=\"middle\" x=\"800\" y=\"156\">1a<\/text><\/g><\/svg><\/p><\/div><div class=\"wp-block-group vf-t-figcaption is-layout-flow wp-block-group-is-layout-flow\"><ol class=\"wp-block-list\"><li>V\u00e0lvules de tall i de bypass<\/li><li>Filtre<\/li><li>Man\u00f2metre d'entrada<\/li><li>V\u00e0lvula reductora<\/li><li>V\u00e0lvula de seguretat<\/li><li>Man\u00f2metre de sortida<\/li><\/ol><\/div><\/div><\/div><\/section><section id=\"diferencias\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Pist\u00f3, membrana o manxa: qu\u00e8 canvia<\/h2><p class=\"wp-block-paragraph\">Totes regulen igual; canvia l'element que detecta la pressi\u00f3 de sortida, i aix\u00f2 determina per a quins fluids i pressions serveix cadascuna.<\/p><div class=\"wp-block-group vf-c2-dif vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Pist\u00f3<\/h3><p class=\"wp-block-paragraph\">Un pist\u00f3 rep la pressi\u00f3 de sortida i s'oposa a la molla.<\/p><ul class=\"wp-block-list\"><li>Aigua, oli, aire comprimit i gasos neutres.<\/li><li>Pressions d'entrada de fins a 40 barg (PRV20 i VD).<\/li><li>No indicades per a vapor, excepte la VD (fins a 200 \u00b0C).<\/li><\/ul><p class=\"vf-mods wp-block-paragraph\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">PRV20<\/a> \u00b7 <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a> \u00b7 <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a><\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Membrana<\/h3><p class=\"wp-block-paragraph\">Una membrana de gran superf\u00edcie detecta la pressi\u00f3 de sortida, cosa que dona m\u00e9s sensibilitat.<\/p><ul class=\"wp-block-list\"><li>Pressions de sortida molt baixes: des de 10 mbar (PRV45) o 0,02 barg (M2).<\/li><li>Vapor fins a 180\u2013220 \u00b0C amb canonada de comandament i tanc de condensaci\u00f3.<\/li><li>Fins a DN150 (M1).<\/li><\/ul><p class=\"vf-mods wp-block-paragraph\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a> \u00b7 <a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a> \u00b7 <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a><\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Manxa<\/h3><p class=\"wp-block-paragraph\">Una manxa d'acer inoxidable equilibra l'obturador davant les variacions de la pressi\u00f3 d'entrada.<\/p><ul class=\"wp-block-list\"><li>Vapor i fluids calents: fins a 210 \u00b0C (PRV44).<\/li><li>Vapor fins a 200 \u00b0C sense tanc de condensaci\u00f3 (M2F).<\/li><li>Di\u00e0metres de DN15 a DN50.<\/li><\/ul><p class=\"vf-mods wp-block-paragraph\"><a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a> \u00b7 <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\">M2F<\/a><\/p><\/div><\/div><p class=\"wp-block-paragraph\">M\u00e9s detall a la comparativa de reductores de pist\u00f3 i de membrana i a qu\u00e8 aporta la manxa a l'estanquitat.<\/p><\/section><section id=\"aplicaciones\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Aplicacions<\/h2><ul class=\"vf-pdp-apps wp-block-list\"><li><b>Xarxes de vapor<\/b><span>Reducci\u00f3 a la pressi\u00f3 de cada consumidor amb la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a>, la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a> o la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\">M2F<\/a>.<\/span><\/li><li><b>Aire comprimit<\/b><span>Del valor de la xarxa al de treball de cada m\u00e0quina, amb qualsevol model de la gamma.<\/span><\/li><li><b>Aigua i contra incendis<\/b><span>Xarxes de distribuci\u00f3, ruixadors i aig\u00fces residuals amb la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a> i la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a>.<\/span><\/li><li><b>Laboratoris i plantes sanit\u00e0ries<\/b><span>L\u00ednies petites d'acer inoxidable 316L amb la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">PRV20<\/a> i la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a>.<\/span><\/li><li><b>Gasos a baixa pressi\u00f3<\/b><span>Regulaci\u00f3 fina des de 10 mbar amb la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a> o des de 0,02 barg amb la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a>.<\/span><\/li><li><b>Grans cabals<\/b><span>Fins a DN150 i Kv de 240 m\u00b3\/h amb la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a>.<\/span><\/li><\/ul><\/section><section id=\"normativa\" class=\"wp-block-group vf-c2-norm is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Normativa i certificats<\/h2><div class=\"wp-block-group vf-norm vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><b>PED 2014\/68\/UE<\/b><\/p><p class=\"wp-block-paragraph\">Sistema de qualitat certificat segons el m\u00f2dul D1. Segons el di\u00e0metre, la pressi\u00f3 i el fluid, alguns models queden dins de l'article 4.3, sense marcatge CE: ho indica cada fitxa.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><b>ATEX II 2 GD<\/b><\/p><p class=\"wp-block-paragraph\">Per a zones 1 i 21 (i 2 i 22), dins de la classe t\u00e8rmica que correspongui a la temperatura del fluid.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><b>ISO 9001:2015<\/b><\/p><p class=\"wp-block-paragraph\">Disseny, fabricaci\u00f3 i comercialitzaci\u00f3 de v\u00e0lvules de regulaci\u00f3 de globus per al control de proc\u00e9s.<\/p><\/div><\/div><p class=\"wp-block-paragraph\">Descarregui els <a href=\"\/ca\/certificats\/\">certificats de Valfonta<\/a>.<\/p><\/section><section id=\"preguntas\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Preguntes freq\u00fcents sobre v\u00e0lvules reductores de pressi\u00f3<\/h2><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Qu\u00e8 \u00e9s una v\u00e0lvula reductora de pressi\u00f3?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">\u00c9s una v\u00e0lvula que redueix la pressi\u00f3 d'un fluid i la mant\u00e9 estable aig\u00fces avall, encara que vari\u00efn la pressi\u00f3 d'entrada o el consum. Les de Valfonta s\u00f3n autoaccionades: funcionen amb l'energia del mateix fluid, sense aire ni electricitat.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina reductora necessito per a vapor?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Per a vapor s\u00f3n indicades la PRV44 (fins a 210 \u00b0C), la PRV45 (fins a 150 \u00b0C), la VD (fins a 200 \u00b0C), la M1 (fins a 220 \u00b0C), la M2 (fins a 180 \u00b0C) i la M2F (fins a 200 \u00b0C sense tanc de condensaci\u00f3). La PRV20 i la PRV30 no s\u00f3n indicades per a vapor.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina \u00e9s la pressi\u00f3 de sortida m\u00e9s baixa que es pot regular?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">La PRV45 regula des de 0,01 barg (10 mbar) i la M2, des de 0,02 barg. Per a pressions de sortida m\u00e9s altes, la PRV20 arriba a 20 barg.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Necessiten energia auxiliar o un sistema de control?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">No. La molla de regulaci\u00f3 i la pressi\u00f3 de sortida equilibren l'obturador. Si necessita governar la pressi\u00f3 des d'un sistema de control, vegi la <a href=\"\/ca\/producte\/valvula-control\/\">v\u00e0lvula de control amb actuador pneum\u00e0tic C1<\/a>.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Una reductora substitueix una v\u00e0lvula de seguretat?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">No. La reductora regula la pressi\u00f3 de sortida, per\u00f2 no protegeix contra sobrepressions: si la instal\u00b7laci\u00f3 ho requereix, munti-hi, a m\u00e9s, una <a href=\"\/ca\/valvules-de-seguretat\/\">v\u00e0lvula de seguretat<\/a> aig\u00fces avall.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quines dades necessita Valfonta per fer una oferta?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">El fluid i la seva temperatura, la pressi\u00f3 d'entrada, la pressi\u00f3 de sortida desitjada, el cabal m\u00e0xim i m\u00ednim i el tipus de connexi\u00f3. Amb aix\u00f2 li recomanem el model, el di\u00e0metre, el rang de molla i les juntes.<\/p><\/div><\/details><\/section><section id=\"guias\" class=\"wp-block-group vf-c2-more is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-sin-idioma is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"vf-sin-idioma wp-block-heading\">Guies t\u00e8cniques sobre reductores<\/h2><div class=\"wp-block-group vf-arts vf-sin-idioma vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-sin-idioma vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a data-vf-href=\"\/blog\/tipos-de-valvulas-reguladoras-de-presion\/\">Tipus de v\u00e0lvules reguladores de pressi\u00f3<\/a><\/p><\/div><div class=\"wp-block-group vf-sin-idioma vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a data-vf-href=\"\/blog\/valvula-reductora-de-presion-vapor\/\">V\u00e0lvula reductora de vapor: tipus i com triar-la<\/a><\/p><\/div><div class=\"wp-block-group vf-sin-idioma vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a data-vf-href=\"\/blog\/valvula-reductora-presion-agua\/\">V\u00e0lvula reductora de pressi\u00f3 d'aigua: guia<\/a><\/p><\/div><div class=\"wp-block-group vf-sin-idioma vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a data-vf-href=\"\/blog\/como-instalar-valvula-reductora-presion\/\">Com instal\u00b7lar una v\u00e0lvula reductora de pressi\u00f3<\/a><\/p><\/div><div class=\"wp-block-group vf-sin-idioma vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a data-vf-href=\"\/blog\/como-se-regula-una-valvula-reductora-de-presion\/\">Com es regula una v\u00e0lvula reductora de pressi\u00f3<\/a><\/p><\/div><div class=\"wp-block-group vf-sin-idioma vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a data-vf-href=\"\/blog\/problemas-valvula-reductora-de-presion\/\">Problemes de la v\u00e0lvula reductora de pressi\u00f3<\/a><\/p><\/div><\/div><\/div><p class=\"vf-fams wp-block-paragraph\"><b>Altres fam\u00edlies:<\/b> <a href=\"\/ca\/valvules-alleujament-de-pressio\/\">V\u00e0lvules d'alleujament de pressi\u00f3<\/a> \u00b7 <a href=\"\/ca\/valvula-de-control\/\">V\u00e0lvules de control<\/a> \u00b7 <a href=\"\/ca\/disseny-de-valvules-de-control\/\">Disseny a mida<\/a> \u00b7 <a href=\"\/ca\/valvules-de-seguretat\/\">V\u00e0lvules de seguretat<\/a><\/p><\/section><section id=\"solicitar\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-quote is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Sol\u00b7liciti oferta d'una v\u00e0lvula reductora<\/h2><p class=\"wp-block-paragraph\">Indiqui'ns les dades de la seva instal\u00b7laci\u00f3 i li recomanarem el model, el di\u00e0metre, el rang de molla i les juntes adequades.<\/p><ul class=\"wp-block-list\"><li>Fluid i temperatura de servei<\/li><li>Pressi\u00f3 d'entrada i pressi\u00f3 de sortida desitjada<\/li><li>Cabal m\u00e0xim i m\u00ednim<\/li><li>Tipus de connexi\u00f3 (rosca o brides)<\/li><\/ul><p class=\"vf-pdp-contact wp-block-paragraph\">Tamb\u00e9 pot trucar al <a href=\"tel:+34933720888\">933 720 888<\/a>.<\/p><\/div>\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f579-o1\" lang=\"ca\" dir=\"ltr\" data-wpcf7-id=\"579\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/ca\/wp-json\/wp\/v2\/pages\/777#wpcf7-f579-o1\" method=\"post\" class=\"wpcf7-form init vf-form wpcf7-acceptance-as-validation\" aria-label=\"Formulari de contacte\" novalidate=\"novalidate\" data-status=\"init\" toolname=\"solicitar_oferta\" tooldescription=\"Demana a Valfonta una oferta dels models d&#039;aquesta p\u00e0gina (model, di\u00e0metre, fluid i pressions); respon una persona de l&#039;equip.\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"579\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.2.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"ca\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f579-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_vf_t\" value=\"1792703036.4f39236d9945268b\" \/>\n<\/fieldset>\n<input class=\"wpcf7-form-control wpcf7-hidden\" value=\"V\u00e1lvulas reductoras de presi\u00f3n\" type=\"hidden\" name=\"familia\" \/><label>Nom *<span class=\"wpcf7-form-control-wrap\" data-name=\"nombre\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"nombre\" \/><\/span><\/label><label>Empresa<span class=\"wpcf7-form-control-wrap\" data-name=\"empresa\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" autocomplete=\"organization\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"empresa\" \/><\/span><\/label><label>Correu electr\u00f2nic *<span class=\"wpcf7-form-control-wrap\" data-name=\"email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"email\" \/><\/span><\/label><label>Tel\u00e8fon<span class=\"wpcf7-form-control-wrap\" data-name=\"telefono\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-text wpcf7-validates-as-tel\" autocomplete=\"tel\" aria-invalid=\"false\" value=\"\" type=\"tel\" name=\"telefono\" \/><\/span><\/label><label class=\"vf-full\">Model<span class=\"wpcf7-form-control-wrap\" data-name=\"modelo\"><select class=\"wpcf7-form-control wpcf7-select\" aria-invalid=\"false\" name=\"modelo\"><option value=\"\">Seleccioni<\/option><option value=\"Reductora PRV20\">Reductora PRV20<\/option><option value=\"Reductora PRV30\">Reductora PRV30<\/option><option value=\"Reductora VD\">Reductora VD<\/option><option value=\"Reductora PRV45\">Reductora PRV45<\/option><option value=\"Reductora M2\">Reductora M2<\/option><option value=\"Reductora M1\">Reductora M1<\/option><option value=\"Reductora PRV44\">Reductora PRV44<\/option><option value=\"Reductora M2F\">Reductora M2F<\/option><option value=\"No ho s\u00e9 \/ necessito assessorament\">No ho s\u00e9 \/ necessito assessorament<\/option><\/select><\/span><\/label><label>Fluid<span class=\"wpcf7-form-control-wrap\" data-name=\"fluido\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"vapor, aigua, aire\u2026\" value=\"\" type=\"text\" name=\"fluido\" \/><\/span><\/label><label>Pressi\u00f3 d'entrada (barg)<span class=\"wpcf7-form-control-wrap\" data-name=\"p_entrada\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"p_entrada\" \/><\/span><\/label><label>Pressi\u00f3 de sortida desitjada (barg)<span class=\"wpcf7-form-control-wrap\" data-name=\"p_salida\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"p_salida\" \/><\/span><\/label><label>Cabal<span class=\"wpcf7-form-control-wrap\" data-name=\"caudal\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"p. ex. 2 m\u00b3\/h\" value=\"\" type=\"text\" name=\"caudal\" \/><\/span><\/label><label class=\"vf-full\">Missatge<span class=\"wpcf7-form-control-wrap\" data-name=\"mensaje\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" name=\"mensaje\"><\/textarea><\/span><\/label><label class=\"vf-chk vf-full\"><span class=\"wpcf7-form-control-wrap\" data-name=\"privacidad\"><span class=\"wpcf7-form-control wpcf7-acceptance\"><span class=\"wpcf7-list-item\"><input type=\"checkbox\" name=\"privacidad\" value=\"1\" aria-invalid=\"false\" \/><\/span><\/span><\/span> <span>He llegit i accepto la <a href=\"\/ca\/politica-de-privacitat\/\">pol\u00edtica de privacitat<\/a> *<\/span><\/label><input class=\"wpcf7-form-control wpcf7-submit has-spinner vf-btn vf-btn--pri\" type=\"submit\" value=\"Enviar la sol\u00b7licitud\" \/><span class=\"vf-hp\" aria-hidden=\"true\"><label>Web <input type=\"text\" name=\"vf_web\" value=\"\" tabindex=\"-1\" autocomplete=\"off\" toolparamdescription=\"Campo de control: d\u00e9jalo vac\u00edo\"><\/label><\/span><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\n<\/div><\/section><div class=\"wp-block-group vf-pdp-bar is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><a class=\"vf-btn vf-btn--sec\" href=\"tel:+34933720888\">Trucar<\/a><a class=\"vf-btn vf-btn--pri\" href=\"#solicitar\">Sol\u00b7licitar oferta<\/a><\/p><\/div><\/article><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Inici\u203aV\u00e0lvules reductores de pressi\u00f3 Disseny i fabricaci\u00f3 a Badalona des de 1962 V\u00e0lvules reductores de pressi\u00f3 Mantenen constant la pressi\u00f3 aig\u00fces avall encara que canvi\u00efn la pressi\u00f3 d'entrada o el consum, sense energia auxiliar. Vuit models de pist\u00f3, membrana o manxa per a vapor, aigua, aire comprimit, gasos i oli. Sol\u00b7licitar ofertaComparar models No sap ... <a title=\"V\u00e0lvules reductores de pressi\u00f3\" class=\"read-more\" href=\"https:\/\/www.valfonta.com\/ca\/valvules-reductores-de-pressio\/\" aria-label=\"M\u00e9s informaci\u00f3 sobre V\u00e0lvules reductores de pressi\u00f3\">Llegiu m\u00e9s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_generate-full-width-content":"true","_generate-disable-headline":"true","rank_math_title":"V\u00e0lvules reductores de pressi\u00f3: 8 models | Valfonta","rank_math_description":"V\u00e0lvules reductores de pressi\u00f3 de Valfonta: 8 models de DN8 a DN150 i fins a 40 bar per a vapor, aigua, aire i gasos. Trobi la seva i demani oferta.","rank_math_focus_keyword":"","vf_jsonld":"[{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.valfonta.com\/#organization\",\"name\":\"Valfonta\",\"legalName\":\"Val Fonta, S.L.\",\"taxID\":\"B59935718\",\"url\":\"https:\/\/www.valfonta.com\/ca\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valfonta-logo.webp\"},\"foundingDate\":\"1962\",\"email\":\"valfonta@valfonta.com\",\"telephone\":\"+34 933 720 888\",\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"C\/ Bronze 26, Pol. Ind. 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Les de Valfonta s\u00f3n autoaccionades: funcionen amb l'energia del mateix fluid, sense aire ni electricitat.\"}},{\"@type\":\"Question\",\"name\":\"Quina reductora necessito per a vapor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Per a vapor s\u00f3n indicades la PRV44 (fins a 210 \u00b0C), la PRV45 (fins a 150 \u00b0C), la VD (fins a 200 \u00b0C), la M1 (fins a 220 \u00b0C), la M2 (fins a 180 \u00b0C) i la M2F (fins a 200 \u00b0C sense tanc de condensaci\u00f3). La PRV20 i la PRV30 no s\u00f3n indicades per a vapor.\"}},{\"@type\":\"Question\",\"name\":\"Quina \u00e9s la pressi\u00f3 de sortida m\u00e9s baixa que es pot regular?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La PRV45 regula des de 0,01 barg (10 mbar) i la M2, des de 0,02 barg. Per a pressions de sortida m\u00e9s altes, la PRV20 arriba a 20 barg.\"}},{\"@type\":\"Question\",\"name\":\"Necessiten energia auxiliar o un sistema de control?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. La molla de regulaci\u00f3 i la pressi\u00f3 de sortida equilibren l'obturador. Si necessita governar la pressi\u00f3 des d'un sistema de control, vegi la v\u00e0lvula de control amb actuador pneum\u00e0tic C1.\"}},{\"@type\":\"Question\",\"name\":\"Una reductora substitueix una v\u00e0lvula de seguretat?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. La reductora regula la pressi\u00f3 de sortida, per\u00f2 no protegeix contra sobrepressions: si la instal\u00b7laci\u00f3 ho requereix, munti-hi, a m\u00e9s, una v\u00e0lvula de seguretat aig\u00fces avall.\"}},{\"@type\":\"Question\",\"name\":\"Quines dades necessita Valfonta per fer una oferta?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"El fluid i la seva temperatura, la pressi\u00f3 d'entrada, la pressi\u00f3 de sortida desitjada, el cabal m\u00e0xim i m\u00ednim i el tipus de connexi\u00f3. Amb aix\u00f2 li recomanem el model, el di\u00e0metre, el rang de molla i les juntes.\"}}]}]}]","footnotes":"","_vg_translation_of":"46","_vg_lang":"ca","_vg_wpml_state":"{\"lang\":\"ca\",\"trid\":\"46\",\"src\":\"es\"}"},"class_list":["post-777","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages\/777","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/comments?post=777"}],"version-history":[{"count":3,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages\/777\/revisions"}],"predecessor-version":[{"id":10305,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages\/777\/revisions\/10305"}],"wp:attachment":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/media?parent=777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}