{"id":763,"date":"2026-10-02T13:11:07","date_gmt":"2026-10-02T11:11:07","guid":{"rendered":"https:\/\/www.valfonta.com\/disseny-de-valvules-de-control\/"},"modified":"2026-10-15T12:13:13","modified_gmt":"2026-10-15T10:13:13","slug":"disseny-de-valvules-de-control","status":"publish","type":"page","link":"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/","title":{"rendered":"Disseny de v\u00e0lvules a mida"},"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\">Disseny de v\u00e0lvules<\/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\">Disseny de v\u00e0lvules a mida<\/h1><p class=\"vf-lead wp-block-paragraph\">Si no troba al nostre cat\u00e0leg la v\u00e0lvula que necessita, estudiem la seva aplicaci\u00f3 i l'adaptem o la dissenyem a mida, per a vapor, l\u00edquids o gasos. Partim de les nostres reductores, v\u00e0lvules d'alleujament i de control, i canviem el que el seu proc\u00e9s exigeix.<\/p><ul class=\"vf-pdp-keys wp-block-list\"><li><span>Fluids<\/span><b>Vapor, l\u00edquids i gasos<\/b><\/li><li><span>Materials<\/span><b>Inox 316L, CF3M, WCB, bronze <small>d\u00faplex i superd\u00faplex sota comanda<\/small><\/b><\/li><li><span>Connexions<\/span><b>Brides EN i ANSI, rosca <small>clamp i extrems per soldar sota comanda<\/small><\/b><\/li><li><span>Normativa<\/span><b>PED \u00b7 ATEX \u00b7 ISO 9001<\/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\">Plantegi el seu cas<\/a><a class=\"vf-btn vf-btn--sec\" href=\"#diferencias\">Qu\u00e8 podem adaptar<\/a><\/p><\/div><p class=\"vf-pdp-contact wp-block-paragraph\">T\u00e9 una aplicaci\u00f3 especial? 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 vf-c2-steps is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-fh wp-block-paragraph\">Com treballem<\/p><ol class=\"wp-block-list\"><li><b>Ens explica la seva aplicaci\u00f3.<\/b> Fluid, funci\u00f3, pressions, cabal, connexi\u00f3 i requisits de normativa.<\/li><li><b>Estudiem el seu cas.<\/b> Busquem el model de cat\u00e0leg que hi encaixa o les opcions sota comanda que necessita.<\/li><li><b>Li proposem la soluci\u00f3.<\/b> Un model est\u00e0ndard, un amb opcions sota comanda o un disseny espec\u00edfic.<\/li><li><b>Fabriquem i assagem.<\/b> Al nostre taller de Badalona, amb n\u00famero de s\u00e8rie per a recanvis i certificats.<\/li><\/ol><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=\"#solicitar\">Plantegi el seu cas<\/a><\/p><\/div><\/div><\/div><ul class=\"vf-pdp-trust wp-block-list\"><li>Disseny i fabricaci\u00f3 pr\u00f2pies a Badalona<\/li><li>Sistema de qualitat ISO 9001:2015<\/li><li>Sistema de qualitat PED segons el m\u00f2dul D1<\/li><li>Certificat ATEX de cust\u00f2dia de l'expedient t\u00e8cnic<\/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\">Fam\u00edlies<\/a><\/li><li><a href=\"#como-funciona\">Qu\u00e8 dissenyem<\/a><\/li><li><a href=\"#diferencias\">Qu\u00e8 podem adaptar<\/a><\/li><li><a href=\"#preguntas\">Preguntes<\/a><\/li><li><a href=\"#solicitar\">Plantegi el seu cas<\/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\">Fam\u00edlies de partida<\/h2><p class=\"vf-c2-intro wp-block-paragraph\">Gaireb\u00e9 tots els dissenys a mida parteixen d'una de les nostres fam\u00edlies. Cada fitxa indica quines opcions s'ofereixen sota comanda.<\/p><div class=\"wp-block-group vf-c2-cards vf-c2-fams vf-t-ul is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-c2-card 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\/valvules-reductores-de-pressio\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-PRV30-44-700x700-1.jpg\" alt=\"Reductores de pressi\u00f3\" 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\">8 models<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/valvules-reductores-de-pressio\/\">Reductores de pressi\u00f3<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Mantenen constant la pressi\u00f3 aig\u00fces avall sense energia auxiliar.<\/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\">Di\u00e0metres<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN8 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\">Entrada<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">fins a 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\">Sota comanda<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">d\u00faplex, superd\u00faplex, extrems per soldar<\/p><\/div><\/div><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\/valvules-reductores-de-pressio\/\">Veure gamma<\/a><a class=\"vf-btn vf-btn--pri\" href=\"#solicitar\">Consultar<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card 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\/valvules-alleujament-de-pressio\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valvula-alivio-presion-s3-s4-perspectiva-400.webp\" alt=\"Alleujament i exc\u00e9s de pressi\u00f3\" class=\"wp-image-10230\" 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\">6 models<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/valvules-alleujament-de-pressio\/\">Alleujament i exc\u00e9s de pressi\u00f3<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Descarreguen l'exc\u00e9s de pressi\u00f3 d'una l\u00ednia o d'un equip.<\/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\">Di\u00e0metres<\/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\">Tarat<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">0,01 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\">Sota comanda<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">bronze, d\u00faplex, superd\u00faplex<\/p><\/div><\/div><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\/valvules-alleujament-de-pressio\/\">Veure gamma<\/a><a class=\"vf-btn vf-btn--pri\" href=\"#solicitar\">Consultar<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card 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\/valvula-de-control\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-C1-PROVISIONAL-700x700-1.jpg\" alt=\"V\u00e0lvules de control\" class=\"wp-image-183\" 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\">Actuador pneum\u00e0tic<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/valvula-de-control\/\">V\u00e0lvules de control<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">La C1 regula en servei modulant o ON\/OFF segons el senyal del proc\u00e9s.<\/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\">Di\u00e0metres<\/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\">Kv<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">3,5 a 130 m\u00b3\/h<\/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\">Sota comanda<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">DN125, DN150, Kv redu\u00eft<\/p><\/div><\/div><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\/valvula-de-control\/\">Veure gamma<\/a><a class=\"vf-btn vf-btn--pri\" href=\"#solicitar\">Consultar<\/a><\/p><\/div><\/div><\/div><div class=\"wp-block-group vf-c2-card 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\/valvules-de-seguretat\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/alper-1-700x700-1.jpg\" alt=\"V\u00e0lvules de seguretat\" class=\"wp-image-184\" 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\">Tarat a mida<\/p><h3 class=\"wp-block-heading\"><a href=\"\/ca\/valvules-de-seguretat\/\">V\u00e0lvules de seguretat<\/a><\/h3><p class=\"vf-sub wp-block-paragraph\">Se subministren tarades a la pressi\u00f3 que vost\u00e8 indiqui.<\/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\">Models<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">ALPER, JAS i 368\u2013371<\/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\">Mides<\/p><p class=\"vf-t-dd vf-p0 wp-block-paragraph\">\u00bc\u2033 a 4\u2033<\/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\">fins a 280 \u00b0C<\/p><\/div><\/div><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\/valvules-de-seguretat\/\">Veure gamma<\/a><a class=\"vf-btn vf-btn--pri\" href=\"#solicitar\">Consultar<\/a><\/p><\/div><\/div><\/div><\/div><\/section><section id=\"como-funciona\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Qu\u00e8 dissenyem i quines dades necessitem<\/h2><div class=\"wp-block-group vf-c2-how vf-solo 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\">Valfonta dissenya i fabrica v\u00e0lvules de control de pressi\u00f3 a Badalona des de 1962. A m\u00e9s del cat\u00e0leg est\u00e0ndard, adaptem i dissenyem v\u00e0lvules a mida per treballar amb vapor, l\u00edquids o gasos, segons els requisits de cada client: <a href=\"\/ca\/valvules-reductores-de-pressio\/\">v\u00e0lvules reductores de pressi\u00f3<\/a>, <a href=\"\/ca\/valvules-alleujament-de-pressio\/\">v\u00e0lvules d'alleujament de pressi\u00f3<\/a> i altres <a href=\"\/ca\/valvula-de-control\/\">v\u00e0lvules de control<\/a>.<\/p><p class=\"wp-block-paragraph\">Moltes adaptacions ja estan previstes a les fitxes t\u00e8cniques com a opcions <strong>sota comanda<\/strong>: un altre material de cos, una altra connexi\u00f3, unes altres juntes, un Kv redu\u00eft o un rang de pressi\u00f3 diferent. Si el seu cas va m\u00e9s enll\u00e0, estudiem les seves necessitats fins a trobar la v\u00e0lvula adequada per a la seva instal\u00b7laci\u00f3. Al nostre blog expliquem qu\u00e8 s\u00f3n les v\u00e0lvules a mida i els coneixements b\u00e0sics per dissenyar una v\u00e0lvula de pressi\u00f3.<\/p><h3 class=\"wp-block-heading\">Les dades que necessitem de vost\u00e8<\/h3><p class=\"wp-block-paragraph\">Per estudiar el seu cas, com m\u00e9s completa sigui la informaci\u00f3 de partida, millor. Aix\u00f2 \u00e9s el que li demanarem:<\/p><ol class=\"wp-block-list\"><li><b>El fluid.<\/b> Vapor, l\u00edquid o gas, la seva temperatura m\u00ednima i m\u00e0xima i qualsevol particularitat: per exemple, si \u00e9s oxigen o un oli mineral.<\/li><li><b>La funci\u00f3.<\/b> Reduir la pressi\u00f3, descarregar l'exc\u00e9s de pressi\u00f3 o regular des d'un sistema de control. En aquest \u00faltim cas, el tipus de senyal i la posici\u00f3 de seguretat (normalment tancada o oberta).<\/li><li><b>Les pressions.<\/b> La pressi\u00f3 d'entrada m\u00e0xima i la de treball, i la pressi\u00f3 de sortida o de tarat que busca.<\/li><li><b>El cabal.<\/b> Els cabals m\u00e0xim i m\u00ednim, o el Kv si ja el t\u00e9 calculat.<\/li><li><b>La instal\u00b7laci\u00f3.<\/b> El di\u00e0metre de la canonada, el tipus de connexi\u00f3 i el material que exigeix el seu proc\u00e9s o la seva normativa interna.<\/li><li><b>Els requisits.<\/b> Si la v\u00e0lvula anir\u00e0 en una zona ATEX o necessita marcatge CE segons la Directiva d'equips a pressi\u00f3, indiqui-ho des del principi.<\/li><\/ol><p class=\"wp-block-paragraph\">Amb aquestes dades li proposarem un model de cat\u00e0leg, un model amb opcions sota comanda o un disseny espec\u00edfic.<\/p><\/div><\/div><\/section><section id=\"diferencias\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Qu\u00e8 podem adaptar<\/h2><p class=\"wp-block-paragraph\">Aquestes s\u00f3n les opcions sota comanda que ja recullen les nostres fitxes t\u00e8cniques i cat\u00e0legs, amb els models als quals s'apliquen.<\/p><div class=\"wp-block-group vf-c2-dif vf-c2-adapt 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\">Material del cos<\/h3><p class=\"wp-block-paragraph\">D\u00faplex o superd\u00faplex a les reductores <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">PRV20<\/a>, <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a>, <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a>, <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a>, <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a>, <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a> i <a href=\"\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a> i a les v\u00e0lvules d'exc\u00e9s <a href=\"\/ca\/producte\/valvula-exces-de-pressio-model-prv53\/\">PRV53<\/a>, <a href=\"\/ca\/producte\/valvula-exces-de-pressio-model-prv54\/\">PRV54<\/a>, <a href=\"\/ca\/producte\/valvula-exces-de-pressio-model-prv55\/\">PRV55<\/a>, <a href=\"\/ca\/producte\/valvula-exces-de-pressio\/\">S1<\/a>, <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-s2\/\">S2<\/a> i <a href=\"\/ca\/producte\/valvula-alleujament-de-pressio\/\">S3<\/a>. Cos de bronze RG10 a les v\u00e0lvules d'exc\u00e9s i d'alleujament. Interiors de Monel o bronze a la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a> i bronze a la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a>. La <a href=\"\/ca\/producte\/valvula-control\/\">C1<\/a>, en construcci\u00f3 d'acer inoxidable.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Connexions<\/h3><p class=\"wp-block-paragraph\">Extrems per soldar (socket weld o butt weld) a tota la gamma de reductores i d'exc\u00e9s de pressi\u00f3 i a la <a href=\"\/ca\/producte\/valvula-control\/\">C1<\/a>. Connexi\u00f3 clamp a la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a>, la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a>, la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a>, la <a href=\"\/ca\/producte\/valvula-exces-de-pressio-model-prv53\/\">PRV53<\/a>, la <a href=\"\/ca\/producte\/valvula-exces-de-pressio-model-prv54\/\">PRV54<\/a> i la <a href=\"\/ca\/producte\/valvula-exces-de-pressio-model-prv55\/\">PRV55<\/a>. Rosca BSP o NPT a la C1.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Juntes, obturadors i membranes<\/h3><p class=\"wp-block-paragraph\">Juntes d'EPDM, PEEK, Viton o Aflas a la PRV30 i la PRV44, i de NBR o FKM per a olis minerals a la PRV54. Obturador de PEEK, EPDM, FKM o NBR a la <a href=\"\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\">M2F<\/a> i a la <a href=\"\/ca\/producte\/valvula-alleujament-de-pressio\/\">S3<\/a>, i estel\u00b7litat a la C1. Membrana de PTFE a la M2 i la S2.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Kv i pas<\/h3><p class=\"wp-block-paragraph\">Kv redu\u00eft o especial a la PRV20, la PRV30, la PRV44, la PRV45, la PRV53, la PRV54, la PRV55, la M1, la M2, la S1 i la S2. A la C1, Kv des de 0,1 m\u00b3\/h i pas redu\u00eft; a la S3, pas redu\u00eft.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Rangs de pressi\u00f3 i temperatura<\/h3><p class=\"wp-block-paragraph\">Rangs de sortida especials a la M2F, tarat de 5 a 15 barg a la PRV53 i actuador de 350 mm, sota consulta, a la PRV45 (rangs en mil\u00b7libars) i la PRV55. A la C1, bonet aletejat i empaquetadura de grafit fins a 350 \u00b0C, o bonet allargat per sota de \u22125 \u00b0C; a la S3, fins a 250 \u00b0C amb juntes especials.<\/p><\/div><div class=\"wp-block-group vf-t-li is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Serveis i accessoris especials<\/h3><p class=\"wp-block-paragraph\">Desgreixatge per a oxigen a la PRV30, la PRV44, la PRV53 i la PRV54 (la PRV55 se subministra sempre desgreixada). Actuador d'acer inoxidable a la M2, la S2 i la PRV55. A la C1, g\u00e0bia anticavitaci\u00f3 i antisoroll, posicionador de 4\u201320 mA i volant manual.<\/p><\/div><\/div><p class=\"wp-block-paragraph\">Si l'adaptaci\u00f3 que necessita no apareix aqu\u00ed, plantegi'ns el seu cas igualment: l'estudiem amb vost\u00e8.<\/p><\/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, cada v\u00e0lvula porta o no marcatge CE.<\/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<\/b><\/p><p class=\"wp-block-paragraph\">Cust\u00f2dia de l'expedient t\u00e8cnic per a reductores, v\u00e0lvules d'exc\u00e9s de pressi\u00f3, d'alleujament i de control pneum\u00e0tic. Moltes fitxes recullen el marcatge II 2 GD.<\/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\">Consulti i 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 el disseny de v\u00e0lvules<\/h2><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Qu\u00e8 \u00e9s una v\u00e0lvula a mida?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">\u00c9s una v\u00e0lvula adaptada a una aplicaci\u00f3 concreta quan el model est\u00e0ndard no hi encaixa: amb un altre material, una altra connexi\u00f3, unes altres juntes, un altre Kv o un altre rang de pressi\u00f3, o dissenyada espec\u00edficament per al seu proc\u00e9s.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Amb quins fluids poden treballar les v\u00e0lvules a mida?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Amb vapor, l\u00edquids i gasos. Per a oxigen, diversos models se subministren desgreixats sota comanda, i per a olis minerals hi ha juntes espec\u00edfiques.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Fabriquen v\u00e0lvules en superd\u00faplex?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">S\u00ed. El d\u00faplex i el superd\u00faplex s'ofereixen sota comanda a les reductores PRV20, PRV30, PRV44, PRV45, VD, M1 i M2 i a les v\u00e0lvules d'exc\u00e9s PRV53, PRV54, PRV55, S1, S2 i S3.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quines connexions especials es poden demanar?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Extrems per soldar (socket weld o butt weld) a reductores, v\u00e0lvules d'exc\u00e9s de pressi\u00f3 i a la C1, i connexi\u00f3 clamp en diversos models d'acer inoxidable de di\u00e0metre petit (PRV30, PRV44, PRV45, PRV53, PRV54 i PRV55).<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Les v\u00e0lvules a mida compleixen la PED i ATEX?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">El sistema de qualitat de Valfonta est\u00e0 certificat segons el m\u00f2dul D1 de la Directiva 2014\/68\/UE, i el marcatge CE dep\u00e8n del di\u00e0metre, la pressi\u00f3 i el fluid. Si la v\u00e0lvula anir\u00e0 en zona ATEX, indiqui-ho en demanar-la. Vegi els nostres <a href=\"\/ca\/certificats\/\">certificats<\/a>.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quines dades necessiten per estudiar el meu cas?<\/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 funci\u00f3 de la v\u00e0lvula, les pressions d'entrada i de sortida o de tarat, el cabal m\u00e0xim i m\u00ednim, la connexi\u00f3 i el material, i els requisits de normativa. Com m\u00e9s complets siguin, abans li podrem proposar una soluci\u00f3.<\/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 relacionades<\/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\/valvulas-a-medida\/\">V\u00e0lvules a mida per a sistemes industrials<\/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-disenar-una-valvula-de-presion\/\">Com dissenyar una v\u00e0lvula 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\/seleccion-de-valvulas-de-control\/\">Selecci\u00f3 de v\u00e0lvules de control<\/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-autoaccionada-vs-con-actuador\/\">V\u00e0lvula autoaccionada vs amb actuador<\/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\/valvulas-atex\/\">V\u00e0lvules ATEX: tipus i normativa<\/a><\/p><\/div><\/div><\/div><p class=\"vf-fams wp-block-paragraph\"><b>Altres fam\u00edlies:<\/b> <a href=\"\/ca\/valvules-reductores-de-pressio\/\">V\u00e0lvules reductores de pressi\u00f3<\/a> \u00b7 <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\/valvules-de-seguretat\/\">V\u00e0lvules de seguretat<\/a> \u00b7 <a href=\"\/ca\/ejectors-vapor-liquids\/\">Ejectors<\/a> \u00b7 <a href=\"\/ca\/injector-de-liquids-i-vapor\/\">Injectors<\/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\">Expliqui'ns quina v\u00e0lvula necessita<\/h2><p class=\"wp-block-paragraph\">Descrigui'ns la seva aplicaci\u00f3 i li proposarem un model de cat\u00e0leg, les opcions sota comanda que necessita o un disseny espec\u00edfic.<\/p><ul class=\"wp-block-list\"><li>Fluid i temperatura de servei<\/li><li>Funci\u00f3 de la v\u00e0lvula i pressions d'entrada i de sortida o de tarat<\/li><li>Cabal m\u00e0xim i m\u00ednim (o Kv)<\/li><li>Connexi\u00f3, material i requisits de normativa (PED, ATEX)<\/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-f573-o1\" lang=\"ca\" dir=\"ltr\" data-wpcf7-id=\"573\">\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\/763#wpcf7-f573-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=\"573\" \/><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-f573-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=\"1792703031.57bf1f3b76754ea1\" \/>\n<\/fieldset>\n<input class=\"wpcf7-form-control wpcf7-hidden\" value=\"Dise\u00f1o de v\u00e1lvulas\" 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\">Tipus de v\u00e0lvula<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=\"V\u00e0lvula reductora de pressi\u00f3\">V\u00e0lvula reductora de pressi\u00f3<\/option><option value=\"V\u00e0lvula d&#039;alleujament o d&#039;exc\u00e9s de pressi\u00f3\">V\u00e0lvula d&#039;alleujament o d&#039;exc\u00e9s de pressi\u00f3<\/option><option value=\"V\u00e0lvula de control\">V\u00e0lvula de control<\/option><option value=\"V\u00e0lvula de seguretat\">V\u00e0lvula de seguretat<\/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, oxigen, oli\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 o de tarat (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. 5 m\u00b3\/h\" value=\"\" type=\"text\" name=\"caudal\" \/><\/span><\/label><label>Temperatura (\u00b0C)<span class=\"wpcf7-form-control-wrap\" data-name=\"temperatura\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"temperatura\" \/><\/span><\/label><label>Connexi\u00f3 i di\u00e0metre<span class=\"wpcf7-form-control-wrap\" data-name=\"conexion\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"p. ex. DN50, extrems per soldar\" value=\"\" type=\"text\" name=\"conexion\" \/><\/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\">Plantegi el seu cas<\/a><\/p><\/div><\/article><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Inici\u203aDisseny de v\u00e0lvules Disseny i fabricaci\u00f3 a Badalona des de 1962 Disseny de v\u00e0lvules a mida Si no troba al nostre cat\u00e0leg la v\u00e0lvula que necessita, estudiem la seva aplicaci\u00f3 i l'adaptem o la dissenyem a mida, per a vapor, l\u00edquids o gasos. Partim de les nostres reductores, v\u00e0lvules d'alleujament i de control, i canviem ... <a title=\"Disseny de v\u00e0lvules a mida\" class=\"read-more\" href=\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/\" aria-label=\"M\u00e9s informaci\u00f3 sobre Disseny de v\u00e0lvules a mida\">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":"Disseny de v\u00e0lvules a mida per a la ind\u00fastria | Valfonta","rank_math_description":"Valfonta adapta i dissenya a mida v\u00e0lvules reductores, d'alleujament i de control: superd\u00faplex, extrems per soldar, clamp, Kv redu\u00eft, juntes especials.","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. Les Guixeres\",\"postalCode\":\"08915\",\"addressLocality\":\"Badalona\",\"addressRegion\":\"Barcelona\",\"addressCountry\":\"ES\"},\"description\":\"Disseny, fabricaci\u00f3 i venda de v\u00e0lvules reductores de pressi\u00f3, v\u00e0lvules d'alleujament de pressi\u00f3 i v\u00e0lvules de control.\"},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.valfonta.com\/#website\",\"url\":\"https:\/\/www.valfonta.com\/ca\/\",\"name\":\"Valfonta\",\"publisher\":{\"@id\":\"https:\/\/www.valfonta.com\/#organization\"},\"inLanguage\":\"ca\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/#webpage\",\"url\":\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/\",\"name\":\"Disseny de v\u00e0lvules a mida per a la ind\u00fastria | Valfonta\",\"description\":\"Valfonta adapta i dissenya a mida v\u00e0lvules reductores, d'alleujament i de control: superd\u00faplex, extrems per soldar, clamp, Kv redu\u00eft, juntes especials.\",\"isPartOf\":{\"@id\":\"https:\/\/www.valfonta.com\/#website\"},\"about\":{\"@id\":\"https:\/\/www.valfonta.com\/#organization\"},\"inLanguage\":\"ca\",\"datePublished\":\"2020-02-03T13:22:44+02:00\",\"dateModified\":\"2026-01-13T10:33:32+02:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/#breadcrumb\"},\"primaryImageOfPage\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valvulas-de-valfonta.webp\"}},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Inici\",\"item\":\"https:\/\/www.valfonta.com\/ca\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Disseny de v\u00e0lvules\",\"item\":\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Qu\u00e8 \u00e9s una v\u00e0lvula a mida?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u00c9s una v\u00e0lvula adaptada a una aplicaci\u00f3 concreta quan el model est\u00e0ndard no hi encaixa: amb un altre material, una altra connexi\u00f3, unes altres juntes, un altre Kv o un altre rang de pressi\u00f3, o dissenyada espec\u00edficament per al seu proc\u00e9s.\"}},{\"@type\":\"Question\",\"name\":\"Amb quins fluids poden treballar les v\u00e0lvules a mida?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Amb vapor, l\u00edquids i gasos. Per a oxigen, diversos models se subministren desgreixats sota comanda, i per a olis minerals hi ha juntes espec\u00edfiques.\"}},{\"@type\":\"Question\",\"name\":\"Fabriquen v\u00e0lvules en superd\u00faplex?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"S\u00ed. El d\u00faplex i el superd\u00faplex s'ofereixen sota comanda a les reductores PRV20, PRV30, PRV44, PRV45, VD, M1 i M2 i a les v\u00e0lvules d'exc\u00e9s PRV53, PRV54, PRV55, S1, S2 i S3.\"}},{\"@type\":\"Question\",\"name\":\"Quines connexions especials es poden demanar?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Extrems per soldar (socket weld o butt weld) a reductores, v\u00e0lvules d'exc\u00e9s de pressi\u00f3 i a la C1, i connexi\u00f3 clamp en diversos models d'acer inoxidable de di\u00e0metre petit (PRV30, PRV44, PRV45, PRV53, PRV54 i PRV55).\"}},{\"@type\":\"Question\",\"name\":\"Les v\u00e0lvules a mida compleixen la PED i ATEX?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"El sistema de qualitat de Valfonta est\u00e0 certificat segons el m\u00f2dul D1 de la Directiva 2014\/68\/UE, i el marcatge CE dep\u00e8n del di\u00e0metre, la pressi\u00f3 i el fluid. Si la v\u00e0lvula anir\u00e0 en zona ATEX, indiqui-ho en demanar-la. Vegi els nostres certificats.\"}},{\"@type\":\"Question\",\"name\":\"Quines dades necessiten per estudiar el meu cas?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"El fluid i la seva temperatura, la funci\u00f3 de la v\u00e0lvula, les pressions d'entrada i de sortida o de tarat, el cabal m\u00e0xim i m\u00ednim, la connexi\u00f3 i el material, i els requisits de normativa. Com m\u00e9s complets siguin, abans li podrem proposar una soluci\u00f3.\"}}]}]}]","footnotes":"","_vg_translation_of":"40","_vg_lang":"ca","_vg_wpml_state":"{\"lang\":\"ca\",\"trid\":\"40\",\"src\":\"es\"}"},"class_list":["post-763","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages\/763","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=763"}],"version-history":[{"count":3,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages\/763\/revisions"}],"predecessor-version":[{"id":10297,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/pages\/763\/revisions\/10297"}],"wp:attachment":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/media?parent=763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}