{"id":799,"date":"2026-10-02T13:17:53","date_gmt":"2026-10-02T11:17:53","guid":{"rendered":"https:\/\/www.valfonta.com\/producto\/valvula-reductora-de-pressio-amb-manxa\/"},"modified":"2026-10-22T09:23:31","modified_gmt":"2026-10-22T07:23:31","slug":"valvula-reductora-de-pressio-amb-manxa","status":"publish","type":"product","link":"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/","title":{"rendered":"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F"},"content":{"rendered":"<div class=\"wp-block-group vf-raiz vf-pl-ficha-producto 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 aria-hidden=\"true\" class=\"vf-sep\">\u203a<\/span><a href=\"https:\/\/www.valfonta.com\/ca\/valvules-reductores-de-pressio\/\">V\u00e0lvules reductores de pressi\u00f3<\/a><span aria-hidden=\"true\" class=\"vf-sep\">\u203a<\/span><span aria-current=\"page\">V\u00e0lvula reductora de pressi\u00f3 amb manxa M2<\/span><\/p><\/nav><article class=\"wp-block-group vf-pdp vfd-model--M2F is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-pdp-hero is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-pdp-title is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-pdp-eyebrow wp-block-paragraph\">V\u00e0lvula reductora de pressi\u00f3 \u00b7 Equilibrada per manxa<\/p><h1 class=\"wp-block-heading\">V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F<\/h1><\/div><div class=\"wp-block-group vf-pdp-media is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><span class=\"vf-pdp-badge\">Sense barrilet<\/span><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=\"700\" height=\"700\" fetchpriority=\"high\"><\/p><\/div><div class=\"wp-block-group vf-pdp-body is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-lead wp-block-paragraph\">Reductora autoaccionada equilibrada per una manxa d'acer inoxidable AISI 316Ti, que mant\u00e9 la pressi\u00f3 de sortida encara que oscil\u00b7li la d'entrada. Treballa amb vapor fins a 200 \u00b0C sense tanc de condensaci\u00f3, i tamb\u00e9 amb aire comprimit, gasos i l\u00edquids, de DN15 a DN50.<\/p><ul class=\"vf-pdp-keys wp-block-list\"><li><span>Di\u00e0metres<\/span><b>DN15 a DN50<\/b><\/li><li><span>Pressi\u00f3 nominal<\/span><b>PN25 a PN40 \u00b7 Classe 150\/300<\/b><\/li><li><span>Pressi\u00f3 d'entrada<\/span><b>fins a 25 barg<\/b><\/li><li><span>Pressi\u00f3 de sortida<\/span><b>1 a 10 barg <small>en dos rangs<\/small><\/b><\/li><li><span>Temperatura<\/span><b>fins a 200 \u00b0C <small>amb vapor<\/small><\/b><\/li><li><span>Kv<\/span><b>3,5 a 32 m\u00b3\/h<\/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\" href=\"\/wp-content\/uploads\/2026\/10\/M2F-16A-ENG.pdf\" rel=\"noopener\" target=\"_blank\">Descarregar la fitxa t\u00e8cnica <small>PDF<\/small><\/a><\/p><\/div><p class=\"vf-pdp-contact wp-block-paragraph\">T\u00e9 dubtes sobre el dimensionament? 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><ul class=\"vf-pdp-trust wp-block-list\"><li>Disseny i fabricaci\u00f3 pr\u00f2pies a Badalona<\/li><li>Marcatge ATEX II 2 GD per a zones 1 i 21<\/li><li>Vapor fins a 200 \u00b0C sense tanc de condensaci\u00f3<\/li><li>Recanvis recomanats assenyalats a l'especejament<\/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=\"#aplicaciones\">Aplicacions<\/a><\/li><li><a href=\"#especificaciones\">Especificacions<\/a><\/li><li><a href=\"#funcionamiento\">Funcionament<\/a><\/li><li><a href=\"#instalacion\">Instal\u00b7laci\u00f3<\/a><\/li><li><a href=\"#documentacion\">Documentaci\u00f3<\/a><\/li><li><a href=\"#comparar\">Comparar<\/a><\/li><li><a href=\"#preguntas\">Preguntes<\/a><\/li><li><a href=\"#solicitar\">Sol\u00b7licitar oferta<\/a><\/li><\/ul><\/nav><section id=\"aplicaciones\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-pdp-two 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\">Per a qu\u00e8 s'utilitza la M2F<\/h2><p class=\"wp-block-paragraph\">La <strong>M2F<\/strong> \u00e9s la versi\u00f3 amb manxa de la <a href=\"https:\/\/www.valfonta.com\/ca\/valvules-reductores-de-pressio\/\">v\u00e0lvula reductora de pressi\u00f3<\/a> M2. En lloc de membrana, una <strong>manxa d'acer inoxidable AISI 316Ti<\/strong> rep la pressi\u00f3 de sortida i s'oposa a la molla de regulaci\u00f3, sense energia auxiliar. La v\u00e0lvula tanca quan la pressi\u00f3 de sortida augmenta.<\/p><p class=\"wp-block-paragraph\">La seva difer\u00e8ncia principal \u00e9s que <strong>no necessita tanc de condensaci\u00f3<\/strong>: treballa amb vapor fins a 200 \u00b0C connectada directament. Se subministra amb presa de pressi\u00f3 interna, i la presa externa \u00e9s opcional.<\/p><ul class=\"vf-pdp-apps wp-block-list\"><li><b>Vapor<\/b><span>Reducci\u00f3 de la pressi\u00f3 de vapor fins a 200 \u00b0C, sense barrilet.<\/span><\/li><li><b>Laboratoris qu\u00edmics<\/b><span>Pressi\u00f3 estable en instal\u00b7lacions de laboratori.<\/span><\/li><li><b>Xarxes d'aigua<\/b><span>Distribuci\u00f3 d'aigua i instal\u00b7lacions d'aig\u00fces residuals.<\/span><\/li><li><b>Aire comprimit<\/b><span>Reducci\u00f3 de la pressi\u00f3 de xarxa al valor de treball.<\/span><\/li><li><b>Contra incendis<\/b><span>Xarxes de protecci\u00f3 contra incendis i ruixadors.<\/span><\/li><li><b>Gas inert i fuel-oil<\/b><span>Protecci\u00f3 amb gas inert i l\u00ednies de fuel-oil.<\/span><\/li><\/ul><\/div><aside class=\"wp-block-group vf-pdp-fit is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Tri\u00ef la M2F si\u2026<\/h3><ul class=\"vf-si wp-block-list\"><li>Regula vapor fins a 200 \u00b0C i vol prescindir del barrilet.<\/li><li>Treballa en di\u00e0metres de DN15 a DN50 amb fins a 25 barg d'entrada.<\/li><li>Necessita una sortida d'1 a 4 o de 3 a 10 barg.<\/li><li>Prefereix presa de pressi\u00f3 interna, sense canonada de comandament.<\/li><\/ul><h3 class=\"wp-block-heading\">Millor un altre model si\u2026<\/h3><ul class=\"vf-no wp-block-list\"><li>Necessita m\u00e9s de DN50: la <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a> arriba a DN100 i la <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a>, a DN150.<\/li><li>L'entrada supera els 25 barg: la M2 i la M1 admeten 40 barg fins a DN50.<\/li><li>Requereix sortides per sota d'1 barg: la M2 regula des de 0,02 barg i la <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a>, des de 0,01 barg.<\/li><li>El vapor supera els 200 \u00b0C: la M1 arriba a 220 \u00b0C i la <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a>, a 210 \u00b0C.<\/li><\/ul><\/aside><\/div><\/section><section id=\"especificaciones\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Especificacions t\u00e8cniques de la M2F<\/h2><div class=\"wp-block-group vf-tbl-wrap is-layout-flow wp-block-group-is-layout-flow\"><figure class=\"wp-block-table vf-tbl\"><table><tbody><tr><th scope=\"row\">Tipus<\/th><td>Reductora de pressi\u00f3 autoaccionada, d'acci\u00f3 directa, equilibrada per manxa<\/td><\/tr><tr><th scope=\"row\">Di\u00e0metres<\/th><td>DN15 a DN50<\/td><\/tr><tr><th scope=\"row\">Connexions<\/th><td>Brides EN PN16 a PN40 \u00b7 Brides ANSI 150\/300 \u00b7 Rosca BSP o NPT \u00b7 Extrems BW i SW: consultar<\/td><\/tr><tr><th scope=\"row\">Pressi\u00f3 nominal<\/th><td>PN25 o PN40 segons el material \u00b7 Classe 150 o 300<\/td><\/tr><tr><th scope=\"row\">Pressi\u00f3 m\u00e0xima d'entrada<\/th><td>25 barg<\/td><\/tr><tr><th scope=\"row\">Pressi\u00f3 diferencial m\u00e0xima<\/th><td>25 bar (de DN15 a DN25) \u00b7 16 bar (de DN40 a DN50)<\/td><\/tr><tr><th scope=\"row\">Rangs de pressi\u00f3 de sortida<\/th><td>1 \u2013 4 barg \u00b7 3 \u2013 10 barg \u00b7 rangs especials sota consulta<\/td><\/tr><tr><th scope=\"row\">Coeficient Kv<\/th><td>3,5 a 32 m\u00b3\/h segons el DN<\/td><\/tr><tr><th scope=\"row\">Temperatura m\u00e0xima<\/th><td>Vapor: 200 \u00b0C \u00b7 Aire i nitrogen: 150 \u00b0C \u00b7 Altres gasos: 80 \u00b0C<\/td><\/tr><tr><th scope=\"row\">Obturador<\/th><td>PTFE grafitat de s\u00e8rie (200 \u00b0C). Sota comanda: PEEK (200 \u00b0C), EPDM o FKM (150 \u00b0C), NBR (80 \u00b0C)<\/td><\/tr><tr><th scope=\"row\">Fluids<\/th><td>Vapor, aire comprimit, gasos i l\u00edquids<\/td><\/tr><tr><th scope=\"row\">Materials<\/th><td>Cos de bronze RG10 (PN25), acer al carboni A216 WCB o inox A351 CF3M (PN40). Interiors d'inox AISI 316L. Manxa d'AISI 316Ti<\/td><\/tr><tr><th scope=\"row\">Tanc de condensaci\u00f3<\/th><td>No \u00e9s necessari<\/td><\/tr><tr><th scope=\"row\">Presa de pressi\u00f3<\/th><td>Interna de s\u00e8rie. Externa amb tub de 10 \u00d7 1 mm, opcional sota comanda<\/td><\/tr><tr><th scope=\"row\">Posici\u00f3 de muntatge<\/th><td>Canonada horitzontal, respectant la fletxa del cos<\/td><\/tr><tr><th scope=\"row\">Directiva d'equips a pressi\u00f3<\/th><td>PED 2014\/68\/UE: la xapa indica si requereix marcatge CE<\/td><\/tr><tr><th scope=\"row\">ATEX<\/th><td>II 2 GD c IIC Tx \/ c IIIC Tx\u00baC \u00b7 certificat LOM 14.034 U<\/td><\/tr><\/tbody><\/table><\/figure><\/div><h3 class=\"wp-block-heading\">Dimensions i pes<\/h3><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\"><\/th><th scope=\"col\">DN15<\/th><th scope=\"col\">DN20<\/th><th scope=\"col\">DN25<\/th><th scope=\"col\">DN32<\/th><th scope=\"col\">DN40<\/th><th scope=\"col\">DN50<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Kv (m\u00b3\/h)<\/th><td>3,5<\/td><td>5<\/td><td>9<\/td><td>13,5<\/td><td>22<\/td><td>32<\/td><\/tr><tr><th scope=\"row\">Longitud A (EN PN40, mm)<\/th><td>130<\/td><td>150<\/td><td>160<\/td><td>180<\/td><td>200<\/td><td>230<\/td><\/tr><tr><th scope=\"row\">Longitud A (ANSI 150, polz.)<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>7,25\u2033<\/td><td>\u2013<\/td><td>8,75\u2033<\/td><td>10\u2033<\/td><\/tr><tr><th scope=\"row\">Longitud A (ANSI 300, polz.)<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>7,76\u2033<\/td><td>\u2013<\/td><td>9,25\u2033<\/td><td>10,5\u2033<\/td><\/tr><tr><th scope=\"row\">Al\u00e7ada H (mm)<\/th><td>340<\/td><td>340<\/td><td>350<\/td><td>350<\/td><td>365<\/td><td>365<\/td><\/tr><tr><th scope=\"row\">Pes aproximat (kg)<\/th><td>11<\/td><td>12<\/td><td>14<\/td><td>15<\/td><td>18<\/td><td>22<\/td><\/tr><\/tbody><\/table><\/figure><\/div><p class=\"vf-note wp-block-paragraph\">\u25cb: sota consulta. Di\u00e0metre del caputx\u00f3 (D): 140 mm en totes les mides.<\/p><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Especejament i materials (29 peces)<\/summary><div class=\"wp-block-group 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\">N\u00fam.<\/th><th scope=\"col\">Pe\u00e7a<\/th><th scope=\"col\">Material<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">1<\/th><td>Cos<\/td><td>RG10, 1.0619 (WCB) o 1.4408 (CF3M)<\/td><\/tr><tr><th scope=\"row\">2<\/th><td>Seient<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">3<\/th><td>Eix<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">3b<\/th><td>Guia del casquet<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">4<\/th><td>Cargol<\/td><td>Acer 8.8 galvanitzat (A2-70 amb cos CF3M)<\/td><\/tr><tr><th scope=\"row\">5<\/th><td>Junta <small>(recanvi)<\/small><\/td><td>PTFE<\/td><\/tr><tr><th scope=\"row\">6<\/th><td>Femella <small>(recanvi)<\/small><\/td><td>Inox AISI 316L<\/td><\/tr><tr><th scope=\"row\">6b<\/th><td>Volandera de molla<\/td><td>Acer galvanitzat (A2-70 amb cos CF3M)<\/td><\/tr><tr><th scope=\"row\">7<\/th><td>Femella<\/td><td>Inox A2-70<\/td><\/tr><tr><th scope=\"row\">9<\/th><td>Junta<\/td><td>Grafit<\/td><\/tr><tr><th scope=\"row\">10<\/th><td>Empenyedor<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">11<\/th><td>Caputx\u00f3<\/td><td>Acer 1.1192 epoxi (316L sota comanda)<\/td><\/tr><tr><th scope=\"row\">12<\/th><td>Guia de la molla<\/td><td>Acer 1.1191 galvanitzat (316L sota comanda)<\/td><\/tr><tr><th scope=\"row\">14<\/th><td>Cargol de regulaci\u00f3<\/td><td>Acer 8.8 galvanitzat<\/td><\/tr><tr><th scope=\"row\">15<\/th><td>Femella de regulaci\u00f3<\/td><td>Acer 8.8 galvanitzat<\/td><\/tr><tr><th scope=\"row\">16<\/th><td>Molla de regulaci\u00f3<\/td><td>Acer 52SiCrNi5 (epoxi)<\/td><\/tr><tr><th scope=\"row\">18<\/th><td>Eix<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">19<\/th><td>Manxa <small>(recanvi)<\/small><\/td><td>Inox AISI 316Ti<\/td><\/tr><tr><th scope=\"row\">20<\/th><td>Cargol M8<\/td><td>Acer 8.8 galvanitzat (A2-70 amb cos CF3M)<\/td><\/tr><tr><th scope=\"row\">21<\/th><td>Suport de la manxa<\/td><td>Acer 1.1191 epoxi (316L amb cos CF3M)<\/td><\/tr><tr><th scope=\"row\">23<\/th><td>Suport de la molla<\/td><td>Inox AISI 302<\/td><\/tr><tr><th scope=\"row\">24<\/th><td>Tapa<\/td><td>Acer galvanitzat 1.1141 (316L sota comanda)<\/td><\/tr><tr><th scope=\"row\">25<\/th><td>Junta<\/td><td>Grafit<\/td><\/tr><tr><th scope=\"row\">26<\/th><td>Junta de compensaci\u00f3 <small>(recanvi)<\/small><\/td><td>PTFE grafitat amb molla inox (NBR, EPDM, Viton sota comanda)<\/td><\/tr><tr><th scope=\"row\">27<\/th><td>Eix guia<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">28<\/th><td>Tancament <small>(recanvi)<\/small><\/td><td>PTFE grafitat (NBR, EPDM, Viton sota comanda)<\/td><\/tr><tr><th scope=\"row\">29<\/th><td>Cargol del tancament<\/td><td>Inox A2-70<\/td><\/tr><tr><th scope=\"row\">30<\/th><td>Guia del tancament<\/td><td>1.4404 (316L)<\/td><\/tr><tr><th scope=\"row\">31<\/th><td>Suport del tancament<\/td><td>1.4404 (316L)<\/td><\/tr><\/tbody><\/table><\/figure><\/div><\/div><\/details><\/section><section id=\"funcionamiento\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Com funciona la M2F<\/h2><p class=\"wp-block-paragraph\">Acci\u00f3 directa: equilibri entre la molla de regulaci\u00f3 i la pressi\u00f3 de sortida sobre la manxa.<\/p><ol class=\"vf-steps wp-block-list\"><li><b>Tancament per la pressi\u00f3 d'entrada.<\/b> El fluid avan\u00e7a segons la fletxa i el conjunt eix\u2013pist\u00f3\u2013junta tendeix a tancar la v\u00e0lvula.<\/li><li><b>Obertura amb la molla.<\/b> En girar el cargol de regulaci\u00f3 en sentit horari es comprimeix la molla, que actua sobre la manxa i el tancament i obre el pas fins a la pressi\u00f3 de sortida requerida.<\/li><li><b>Compensaci\u00f3.<\/b> La junta de compensaci\u00f3 i la manxa absorbeixen les variacions de la pressi\u00f3 d'entrada.<\/li><li><b>Tancament en pujar la sortida.<\/b> Si la pressi\u00f3 aig\u00fces avall augmenta, la v\u00e0lvula tanca.<\/li><\/ol><p class=\"wp-block-paragraph\">La M2F no \u00e9s una v\u00e0lvula de seguretat: si cal, instal\u00b7li una protecci\u00f3 contra sobrepressi\u00f3. M\u00e9s informaci\u00f3 sobre aquest disseny a v\u00e0lvules amb manxa d'estanquitat.<\/p><\/section><section id=\"instalacion\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Instal\u00b7laci\u00f3 de la M2F<\/h2><p class=\"wp-block-paragraph\">Esquema recomanat: bypass, v\u00e0lvules de tall, filtre, man\u00f2metres i v\u00e0lvula de seguretat. Amb vapor, la M2F <strong>no necessita barrilet<\/strong>, i la presa de pressi\u00f3 interna evita la canonada de comandament. M\u00e9s detall a com instal\u00b7lar una v\u00e0lvula reductora de pressi\u00f3 i a la nostra guia de reductores per a vapor.<\/p><div class=\"wp-block-group vf-diagram vf-s-7307c0 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><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 (1, 1a) i de bypass (1b)<\/li><li>Filtre<\/li><li>Man\u00f2metre d'entrada<\/li><li>Reductora M2F<\/li><li>V\u00e0lvula de seguretat<\/li><li>Man\u00f2metre de sortida<\/li><\/ol><\/div><\/div><h3 class=\"wp-block-heading\">Muntatge i posada en marxa<\/h3><ol class=\"vf-steps wp-block-list\"><li><b>Netegi la canonada<\/b> i munti un filtre colador a l'entrada, amb espai per extreure'l i netejar-lo.<\/li><li><b>Munti la v\u00e0lvula en canonada horitzontal<\/b>, amb el flux en el sentit de la fletxa del cos.<\/li><li><b>Subjecti la canonada<\/b> a prop de les brides, mai la v\u00e0lvula ni l'actuador.<\/li><li><b>Si va demanar presa de pressi\u00f3 externa<\/b>, connecti-la amb tub de 10 \u00d7 1 mm a la zona de pressi\u00f3 redu\u00efda, a 1 m com a m\u00ednim de la sortida, o al distribu\u00efdor si n'hi ha. Si la v\u00e0lvula oscil\u00b7la, afegeixi-hi una v\u00e0lvula d'agulla.<\/li><li><b>No instal\u00b7li tanc de condensaci\u00f3:<\/b> la manxa treballa amb vapor fins a 200 \u00b0C connectada directament.<\/li><li><b>Connecti el bypass<\/b> per darrere de la presa de pressi\u00f3 i obri a poc a poc les v\u00e0lvules de tall per evitar cops d'ariet.<\/li><li><b>Ajusti la pressi\u00f3 de sortida<\/b> amb el cargol de regulaci\u00f3: en comprimir la molla (sentit horari) augmenta; en descomprimir-la (sentit antihorari), disminueix.<\/li><\/ol><p class=\"wp-block-paragraph\">La instal\u00b7laci\u00f3 l'ha de fer personal especialitzat. En zones ATEX, asseguri la conductivitat el\u00e8ctrica entre la v\u00e0lvula i la instal\u00b7laci\u00f3. Si la pressi\u00f3 no \u00e9s estable, repassi els problemes m\u00e9s habituals de les reductores.<\/p><\/section><section id=\"documentacion\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Documentaci\u00f3 t\u00e8cnica de la M2F<\/h2><div class=\"wp-block-group vf-docs is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group vf-doc vf-amb-enllac is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><i>PDF<\/i><\/p><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><b>Fitxa t\u00e8cnica M2F (en angl\u00e8s)<\/b><span>PDF \u00b7 4 p\u00e0gines \u00b7 caracter\u00edstiques, especejament, dimensions i instal\u00b7laci\u00f3<\/span><\/p><\/div><p class=\"vf-enllac wp-block-paragraph\"><a class=\"vf-enllac-estirat\" href=\"\/wp-content\/uploads\/2026\/10\/M2F-16A-ENG.pdf\" aria-label=\"PDF Fitxa t\u00e8cnica M2F (en angl\u00e8s) PDF \u00b7 4 p\u00e0gines \u00b7 caracter\u00edstiques, especejament, dimensions i instal\u00b7laci\u00f3\" rel=\"noopener\" target=\"_blank\"><\/a><\/p><\/div><div class=\"wp-block-group vf-doc vf-amb-enllac is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><i>PDF<\/i><\/p><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"vf-envolt wp-block-paragraph\"><b>Manual d'\u00fas i instal\u00b7laci\u00f3<\/b><span>PDF \u00b7 12 p\u00e0gines \u00b7 muntatge, dimensions, desmuntatge i ATEX<\/span><\/p><\/div><p class=\"vf-enllac wp-block-paragraph\"><a class=\"vf-enllac-estirat\" href=\"\/wp-content\/uploads\/2026\/10\/Manual-M2F-16A-ESP.pdf\" aria-label=\"PDF Manual d&#x27;\u00fas i instal\u00b7laci\u00f3 PDF \u00b7 12 p\u00e0gines \u00b7 muntatge, dimensions, desmuntatge i ATEX\" rel=\"noopener\" target=\"_blank\"><\/a><\/p><\/div><\/div><p class=\"wp-block-paragraph\">Documentaci\u00f3 de comanda i ATEX: consulti els nostres <a href=\"https:\/\/www.valfonta.com\/ca\/certificats\/\">certificats de qualitat<\/a>.<\/p><\/section><section id=\"comparar\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">La M2F comparada amb altres reductores de Valfonta<\/h2><p class=\"wp-block-paragraph\">Comprovi si la M2F \u00e9s el model adequat o si li conv\u00e9 una altra reductora de la gamma.<\/p><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\">Model<\/th><th scope=\"col\">DN<\/th><th scope=\"col\">PN<\/th><th scope=\"col\">Entrada m\u00e0x. (barg)<\/th><th scope=\"col\">Sortida (barg)<\/th><th scope=\"col\">T. m\u00e0x. (\u00b0C)<\/th><th scope=\"col\">Vapor<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv30\/\">PRV30<\/a><\/th><td>15 \u2013 25<\/td><td>25<\/td><td>25<\/td><td>0,5 \u2013 12<\/td><td>80 (125\u2013150)<\/td><td>No<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-a-pisto-model-prv20\/\">PRV20<\/a><\/th><td>8 \u2013 20<\/td><td>40<\/td><td>40<\/td><td>0,2 \u2013 20<\/td><td>150<\/td><td>No<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\">PRV44<\/a><\/th><td>15 \u2013 25<\/td><td>25<\/td><td>25<\/td><td>0,5 \u2013 12<\/td><td>210<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-prv45\/\">PRV45<\/a><\/th><td>15 \u2013 25<\/td><td>25<\/td><td>16<\/td><td>0,01 \u2013 8<\/td><td>150<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a><\/th><td>15 \u2013 100<\/td><td>40<\/td><td>40<\/td><td>1,5 \u2013 16<\/td><td>200<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a><\/th><td>15 \u2013 150<\/td><td>40<\/td><td>40<\/td><td>0,1 \u2013 15<\/td><td>220<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a><\/th><td>15 \u2013 100<\/td><td>40<\/td><td>40<\/td><td>0,02 \u2013 10<\/td><td>180<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-vf-class=\"vf-cur\"><\/span>M2F<\/th><td>15 \u2013 50<\/td><td>25 \u2013 40<\/td><td>25<\/td><td>1 \u2013 10<\/td><td>200<\/td><td>S\u00ed<\/td><\/tr><\/tbody><\/table><\/figure><\/div><p class=\"vf-note wp-block-paragraph\">Temperatura entre par\u00e8ntesis: amb juntes 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.<\/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 la M2F<\/h2><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>La M2F necessita tanc de condensaci\u00f3?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">No. Gr\u00e0cies a la manxa d'acer inoxidable, treballa amb vapor fins a 200 \u00b0C connectada directament, sense barrilet.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina difer\u00e8ncia hi ha entre la M2F i la M2?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">La <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a> fa servir membrana: arriba a DN100, regula des de 0,02 barg, admet 40 barg d'entrada fins a DN50 i, amb vapor, necessita barrilet (fins a 180 \u00b0C). La M2F fa servir manxa: de DN15 a DN50, 25 barg d'entrada, sortida d'1 a 10 barg i vapor fins a 200 \u00b0C sense barrilet.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina pressi\u00f3 de sortida es pot ajustar?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Hi ha dos rangs de s\u00e8rie, d'1 a 4 barg i de 3 a 10 barg; altres rangs, sota consulta. Vegi com es regula una reductora.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina temperatura admet?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Fins a 200 \u00b0C amb vapor, 150 \u00b0C amb aire i nitrogen i 80 \u00b0C amb altres gasos, amb obturador de PTFE grafitat o PEEK. Amb obturador d'EPDM o FKM el l\u00edmit \u00e9s de 150 \u00b0C, i amb NBR, de 80 \u00b0C.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quins recanvis recomana el fabricant?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">La junta (5), la femella (6), la manxa (19), la junta de compensaci\u00f3 (26) i el tancament (28). El manteniment es fa amb la v\u00e0lvula instal\u00b7lada, despressuritzada i a\u00efllada.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Es pot instal\u00b7lar en una zona ATEX?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">S\u00ed. T\u00e9 marcatge ATEX II 2 GD (certificat LOM 14.034 U) per a zones 1, 2, 21 i 22, segons la classe t\u00e8rmica del fluid. M\u00e9s informaci\u00f3 a v\u00e0lvules ATEX.<\/p><\/div><\/details><\/section><section id=\"relacionados\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Altres models de v\u00e0lvules reductores de pressi\u00f3<\/h2><ul class=\"vf-rel wp-block-list\"><li><a href=\"https:\/\/www.valfonta.com\/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=\"Reductora de membrana M2\" class=\"wp-image-193\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora de membrana M2<\/b><span>DN15\u2013100 i sortides des de 0,02 barg.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/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=\"Reductora M1\" class=\"wp-image-201\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora M1<\/b><span>Fins a DN150 i vapor a 220 \u00b0C.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-prv44\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-PRV30-44.jpg\" alt=\"Reductora PRV44\" class=\"wp-image-207\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora PRV44<\/b><span>DN15\u201325, vapor fins a 210 \u00b0C.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/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=\"Reductora PRV45\" class=\"wp-image-191\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora PRV45<\/b><span>Sortides des de 0,01 barg i vapor.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/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=\"Reductora VD\" class=\"wp-image-10116\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora VD<\/b><span>DN15\u2013100, 40 bar i vapor fins a 200 \u00b0C.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/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=\"Reductora PRV30\" class=\"wp-image-199\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora PRV30<\/b><span>Inox 316L, DN15\u201325.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/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.jpg\" alt=\"Reductora PRV20\" class=\"wp-image-215\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora PRV20<\/b><span>Inox 316L, DN8\u201320 i 40 bar.<\/span><\/a><\/li><\/ul><\/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 de la M2F<\/h2><p class=\"wp-block-paragraph\">Indiqui'ns les dades de la seva instal\u00b7laci\u00f3 i li recomanarem el di\u00e0metre, el rang de molla i l'obturador adequats.<\/p><ul class=\"wp-block-list\"><li>Fluid i temperatura de servei<\/li><li>Pressi\u00f3 d'entrada i de sortida desitjada<\/li><li>Cabal m\u00e0xim i m\u00ednim<\/li><li>Di\u00e0metre, connexi\u00f3 i material del cos<\/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-f600-o1\" lang=\"ca\" dir=\"ltr\" data-wpcf7-id=\"600\">\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\/product\/799#wpcf7-f600-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=\"600\" \/><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-f600-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=\"M2F\" type=\"hidden\" name=\"modelo\" \/><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><fieldset><legend>Dades de l'aplicaci\u00f3 (opcional)<\/legend><label>Di\u00e0metre<span class=\"wpcf7-form-control-wrap\" data-name=\"dn\"><select class=\"wpcf7-form-control wpcf7-select\" aria-invalid=\"false\" name=\"dn\"><option value=\"\">Seleccioni<\/option><option value=\"DN15 (\u00bd\u2033)\">DN15 (\u00bd\u2033)<\/option><option value=\"DN20 (\u00be\u2033)\">DN20 (\u00be\u2033)<\/option><option value=\"DN25 (1\u2033)\">DN25 (1\u2033)<\/option><option value=\"DN32\">DN32<\/option><option value=\"DN40\">DN40<\/option><option value=\"DN50\">DN50<\/option><option value=\"No ho s\u00e9\">No ho s\u00e9<\/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, aire comprimit, nitrogen\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>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><\/fieldset><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>","protected":false},"excerpt":{"rendered":"<p>Inici\u203aV\u00e0lvules reductores de pressi\u00f3\u203aV\u00e0lvula reductora de pressi\u00f3 amb manxa M2 V\u00e0lvula reductora de pressi\u00f3 \u00b7 Equilibrada per manxa V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F Sense barrilet Reductora autoaccionada equilibrada per una manxa d'acer inoxidable AISI 316Ti, que mant\u00e9 la pressi\u00f3 de sortida encara que oscil\u00b7li la d'entrada. Treballa amb vapor fins a 200 \u00b0C ... <a title=\"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F\" class=\"read-more\" href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\" aria-label=\"M\u00e9s informaci\u00f3 sobre V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F\">Llegiu m\u00e9s<\/a><\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"_generate-full-width-content":"true","_generate-disable-headline":"true","rank_math_title":"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F | Valfonta","rank_math_description":"Reductora de pressi\u00f3 M2F equilibrada per manxa d'inox 316Ti: vapor fins a 200 \u00b0C sense tanc de condensaci\u00f3. DN15 a DN50, entrada fins a 25 barg.","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\":\"ItemPage\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/#webpage\",\"url\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\",\"name\":\"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F | Valfonta\",\"description\":\"Reductora de pressi\u00f3 M2F equilibrada per manxa d'inox 316Ti: vapor fins a 200 \u00b0C sense tanc de condensaci\u00f3. DN15 a DN50, entrada fins a 25 barg.\",\"isPartOf\":{\"@id\":\"https:\/\/www.valfonta.com\/#website\"},\"about\":{\"@id\":\"https:\/\/www.valfonta.com\/#organization\"},\"inLanguage\":\"ca\",\"datePublished\":\"2020-02-04T13:56:42+02:00\",\"dateModified\":\"2026-03-19T14:47:09+02:00\",\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2F-700x700-1.jpg\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/#breadcrumb\"},\"mainEntity\":{\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/#product\"}},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2F-700x700-1.jpg\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2F-700x700-1.jpg\",\"width\":\"1000\",\"height\":\"1000\",\"caption\":\"V\u00e0lvula reductora de pressi\u00f3\",\"inLanguage\":\"ca\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Inici\",\"item\":\"https:\/\/www.valfonta.com\/ca\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"V\u00e0lvules reductores de pressi\u00f3\",\"item\":\"https:\/\/www.valfonta.com\/ca\/valvules-reductores-de-pressio\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2\",\"item\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\"}]},{\"@type\":\"Product\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/#product\",\"name\":\"V\u00e0lvula reductora de pressi\u00f3 amb manxa M2F\",\"url\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/\",\"description\":\"Reductora autoaccionada equilibrada per una manxa d'acer inoxidable AISI 316Ti, que mant\u00e9 la pressi\u00f3 de sortida encara que oscil\u00b7li la d'entrada. Treballa amb vapor fins a 200 \u00b0C sense tanc de condensaci\u00f3, i tamb\u00e9 amb aire comprimit, gasos i l\u00edquids, de DN15 a DN50.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Valfonta\"},\"manufacturer\":{\"@id\":\"https:\/\/www.valfonta.com\/#organization\"},\"model\":\"M2F\",\"image\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2F-700x700-1.jpg\",\"material\":\"Bronze RG10, acer al carboni A216 WCB o acer inoxidable A351 CF3M\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Tipus\",\"value\":\"Reductora de pressi\u00f3 autoaccionada, d'acci\u00f3 directa, equilibrada per manxa\"},{\"@type\":\"PropertyValue\",\"name\":\"Di\u00e0metres\",\"value\":\"DN15 a DN50\"},{\"@type\":\"PropertyValue\",\"name\":\"Connexions\",\"value\":\"Brides EN PN16 a PN40 \u00b7 Brides ANSI 150\/300 \u00b7 Rosca BSP o NPT \u00b7 Extrems BW i SW: consultar\"},{\"@type\":\"PropertyValue\",\"name\":\"Pressi\u00f3 nominal\",\"value\":\"PN25 o PN40 segons el material \u00b7 Classe 150 o 300\"},{\"@type\":\"PropertyValue\",\"name\":\"Pressi\u00f3 m\u00e0xima d'entrada\",\"value\":\"25 barg\"},{\"@type\":\"PropertyValue\",\"name\":\"Pressi\u00f3 diferencial m\u00e0xima\",\"value\":\"25 bar (de DN15 a DN25) \u00b7 16 bar (de DN40 a DN50)\"},{\"@type\":\"PropertyValue\",\"name\":\"Rangs de pressi\u00f3 de sortida\",\"value\":\"1 \u2013 4 barg \u00b7 3 \u2013 10 barg \u00b7 rangs especials sota consulta\"},{\"@type\":\"PropertyValue\",\"name\":\"Coeficient Kv\",\"value\":\"3,5 a 32 m\u00b3\/h segons el DN\"},{\"@type\":\"PropertyValue\",\"name\":\"Temperatura m\u00e0xima\",\"value\":\"Vapor: 200 \u00b0C \u00b7 Aire i nitrogen: 150 \u00b0C \u00b7 Altres gasos: 80 \u00b0C\"},{\"@type\":\"PropertyValue\",\"name\":\"Obturador\",\"value\":\"PTFE grafitat de s\u00e8rie (200 \u00b0C). Sota comanda: PEEK (200 \u00b0C), EPDM o FKM (150 \u00b0C), NBR (80 \u00b0C)\"},{\"@type\":\"PropertyValue\",\"name\":\"Fluids\",\"value\":\"Vapor, aire comprimit, gasos i l\u00edquids\"},{\"@type\":\"PropertyValue\",\"name\":\"Materials\",\"value\":\"Cos de bronze RG10 (PN25), acer al carboni A216 WCB o inox A351 CF3M (PN40). Interiors d'inox AISI 316L. Manxa d'AISI 316Ti\"},{\"@type\":\"PropertyValue\",\"name\":\"Tanc de condensaci\u00f3\",\"value\":\"No \u00e9s necessari\"},{\"@type\":\"PropertyValue\",\"name\":\"Presa de pressi\u00f3\",\"value\":\"Interna de s\u00e8rie. Externa amb tub de 10 \u00d7 1 mm, opcional sota comanda\"},{\"@type\":\"PropertyValue\",\"name\":\"Posici\u00f3 de muntatge\",\"value\":\"Canonada horitzontal, respectant la fletxa del cos\"},{\"@type\":\"PropertyValue\",\"name\":\"Directiva d'equips a pressi\u00f3\",\"value\":\"PED 2014\/68\/UE: la xapa indica si requereix marcatge CE\"},{\"@type\":\"PropertyValue\",\"name\":\"ATEX\",\"value\":\"II 2 GD c IIC Tx \/ c IIIC Tx\u00baC \u00b7 certificat LOM 14.034 U\"}],\"category\":\"V\u00e0lvules reductores de pressi\u00f3\",\"subjectOf\":[{\"@type\":\"DigitalDocument\",\"name\":\"Fitxa t\u00e8cnica M2F (en angl\u00e8s)\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/M2F-16A-ENG.pdf\",\"encodingFormat\":\"application\/pdf\"},{\"@type\":\"DigitalDocument\",\"name\":\"Manual d'\u00fas i instal\u00b7laci\u00f3\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/Manual-M2F-16A-ESP.pdf\",\"encodingFormat\":\"application\/pdf\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-amb-manxa\/#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"La M2F necessita tanc de condensaci\u00f3?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Gr\u00e0cies a la manxa d'acer inoxidable, treballa amb vapor fins a 200 \u00b0C connectada directament, sense barrilet.\"}},{\"@type\":\"Question\",\"name\":\"Quina difer\u00e8ncia hi ha entre la M2F i la M2?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La M2 fa servir membrana: arriba a DN100, regula des de 0,02 barg, admet 40 barg d'entrada fins a DN50 i, amb vapor, necessita barrilet (fins a 180 \u00b0C). La M2F fa servir manxa: de DN15 a DN50, 25 barg d'entrada, sortida d'1 a 10 barg i vapor fins a 200 \u00b0C sense barrilet.\"}},{\"@type\":\"Question\",\"name\":\"Quina pressi\u00f3 de sortida es pot ajustar?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Hi ha dos rangs de s\u00e8rie, d'1 a 4 barg i de 3 a 10 barg; altres rangs, sota consulta. Vegi com es regula una reductora.\"}},{\"@type\":\"Question\",\"name\":\"Quina temperatura admet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Fins a 200 \u00b0C amb vapor, 150 \u00b0C amb aire i nitrogen i 80 \u00b0C amb altres gasos, amb obturador de PTFE grafitat o PEEK. Amb obturador d'EPDM o FKM el l\u00edmit \u00e9s de 150 \u00b0C, i amb NBR, de 80 \u00b0C.\"}},{\"@type\":\"Question\",\"name\":\"Quins recanvis recomana el fabricant?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La junta (5), la femella (6), la manxa (19), la junta de compensaci\u00f3 (26) i el tancament (28). El manteniment es fa amb la v\u00e0lvula instal\u00b7lada, despressuritzada i a\u00efllada.\"}},{\"@type\":\"Question\",\"name\":\"Es pot instal\u00b7lar en una zona ATEX?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"S\u00ed. T\u00e9 marcatge ATEX II 2 GD (certificat LOM 14.034 U) per a zones 1, 2, 21 i 22, segons la classe t\u00e8rmica del fluid. M\u00e9s informaci\u00f3 a v\u00e0lvules ATEX.\"}}]}]}]"},"product_brand":[],"product_cat":[80],"product_tag":[],"class_list":["post-799","product","type-product","status-publish","product_cat-uncategorized","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product\/799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/media?parent=799"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product_brand?post=799"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product_cat?post=799"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product_tag?post=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}