{"id":786,"date":"2026-10-02T13:17:40","date_gmt":"2026-10-02T11:17:40","guid":{"rendered":"https:\/\/www.valfonta.com\/producto\/valvula-control\/"},"modified":"2026-10-22T09:24:21","modified_gmt":"2026-10-22T07:24:21","slug":"valvula-control","status":"publish","type":"product","link":"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/","title":{"rendered":"V\u00e0lvula de control amb actuador pneum\u00e0tic C1"},"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\/valvula-de-control\/\">V\u00e0lvules de control<\/a><span aria-hidden=\"true\" class=\"vf-sep\">\u203a<\/span><span aria-current=\"page\">V\u00e0lvula de control amb actuador pneum\u00e0tic C1<\/span><\/p><\/nav><article class=\"wp-block-group vf-pdp vfd-model--C1 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 de control \u00b7 Actuador pneum\u00e0tic<\/p><h1 class=\"wp-block-heading\">V\u00e0lvula de control amb actuador pneum\u00e0tic C1<\/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\">Modulant o ON\/OFF<\/span><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-C1-PROVISIONAL-700x700-1.jpg\" alt=\"V\u00e0lvula de control C1 amb cos de globus embridat i actuador pneum\u00e0tic de membrana\" class=\"wp-image-183\" 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\">V\u00e0lvula de control de globus, de seient simple i entrada superior, accionada per un actuador pneum\u00e0tic multimolla de membrana. Regula gasos, vapors i l\u00edquids en servei modulant o ON\/OFF, de DN15 a DN100 i fins a PN40.<\/p><ul class=\"vf-pdp-keys wp-block-list\"><li><span>Di\u00e0metres<\/span><b>DN15 a DN100 <small>DN125 i DN150 sota demanda<\/small><\/b><\/li><li><span>Pressi\u00f3 nominal<\/span><b>PN25 bronze \u00b7 PN40 acer<\/b><\/li><li><span>Kv est\u00e0ndard<\/span><b>3,5 a 130 m\u00b3\/h<\/b><\/li><li><span>Caracter\u00edstica<\/span><b>Isopercentual, lineal o ON\/OFF<\/b><\/li><li><span>Temperatura<\/span><b>\u22125 a +200 \u00b0C <small>fins a 350 \u00b0C segons el bonet i l'empaquetadura<\/small><\/b><\/li><li><span>Aire de comandament<\/span><b>fins a 4 barg<\/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\/C1-19A-ESP.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 la selecci\u00f3 del Kv o de l'actuador? 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>Sistema de qualitat certificat ISO 9001<\/li><li>Versi\u00f3 amb marcatge ATEX II 2 GD<\/li><li>Actuador precalibrat de f\u00e0brica segons les seves dades<\/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 C1<\/h2><p class=\"wp-block-paragraph\">La <strong>C1<\/strong> \u00e9s una <a href=\"https:\/\/www.valfonta.com\/ca\/valvula-de-control\/\">v\u00e0lvula de control<\/a>: l'obturador canvia de posici\u00f3 segons el senyal d'aire que rep l'actuador des del sistema de control. Necessita aire d'instruments i un senyal de comandament, i a canvi es governa des del control del proc\u00e9s, en regulaci\u00f3 cont\u00ednua o tot o res.<\/p><p class=\"wp-block-paragraph\">El seu <strong>concepte modular<\/strong> combina obturadors, bonets, empaquetadures, classes de tancament i quatre mides d'actuador. M\u00e9s informaci\u00f3 sobre els tipus de v\u00e0lvules de control i el <a href=\"https:\/\/www.valfonta.com\/ca\/disseny-de-valvules-de-control\/\">disseny de v\u00e0lvules de control<\/a> de Valfonta.<\/p><ul class=\"vf-pdp-apps wp-block-list\"><li><b>Regulaci\u00f3 modulant<\/b><span>Obturador isopercentual o lineal, posicionat segons el senyal del proc\u00e9s.<\/span><\/li><li><b>Servei ON\/OFF<\/b><span>Obturador ON\/OFF per a obertura i tancament complets.<\/span><\/li><li><b>Vapor i alta temperatura<\/b><span>Bonet amb aletes per a m\u00e9s de 200 \u00b0C i empaquetadura de grafit fins a 350 \u00b0C.<\/span><\/li><li><b>Baixa temperatura<\/b><span>Bonet allargat per a fluids per sota de \u22125 \u00b0C.<\/span><\/li><li><b>Atmosferes explosives<\/b><span>Versi\u00f3 ATEX II 2 GD i posicionador electropneum\u00e0tic (Ex) de 4\u201320 mA.<\/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 C1 si\u2026<\/h3><ul class=\"vf-si wp-block-list\"><li>La v\u00e0lvula s'ha de governar amb un senyal extern, pneum\u00e0tic o de 4\u201320 mA amb posicionador.<\/li><li>Treballa amb gasos, vapors o l\u00edquids, de DN15 a DN100 i fins a PN40.<\/li><li>Vol una posici\u00f3 de seguretat definida si falla l'aire (NC o NA).<\/li><li>Necessita tancament de classe VI o temperatures de fins a 350 \u00b0C amb el bonet i l'empaquetadura adequats.<\/li><\/ul><h3 class=\"wp-block-heading\">Millor un altre model si\u2026<\/h3><ul class=\"vf-no wp-block-list\"><li>Nom\u00e9s necessita reduir la pressi\u00f3 i no disposa d'aire d'instruments: la <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">reductora M1<\/a> (DN15\u2013150, vapor fins a 220 \u00b0C) no necessita energia auxiliar.<\/li><li>Busca pressions redu\u00efdes molt baixes sense actuador: la <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a> regula des de 0,02 barg.<\/li><li>Necessita descarregar l'exc\u00e9s de pressi\u00f3 d'una l\u00ednia: vegi les <a href=\"https:\/\/www.valfonta.com\/ca\/valvules-alleujament-de-pressio\/\">v\u00e0lvules d'alleujament de pressi\u00f3<\/a>.<\/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 C1<\/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>Globus, dues vies, seient simple, entrada superior (top entry), obturador guiat<\/td><\/tr><tr><th scope=\"row\">Connexions<\/th><td>Brides EN 1092-1 forma B1 \u00b7 ANSI 150\/300 \u00b7 Sota demanda: rosca BSP o NPT, BW o SW<\/td><\/tr><tr><th scope=\"row\">Cos i pressi\u00f3 nominal<\/th><td>PN25: bronze RG-10 (EN 1982 CuSn10-CC480K) \u00b7 PN40: acer al carboni GP240GH \/ A216 WCB (1.0619) \u00b7 PN40: acer inoxidable CF3M (1.4408)<\/td><\/tr><tr><th scope=\"row\">Fluids<\/th><td>Gasos, vapors i l\u00edquids<\/td><\/tr><tr><th scope=\"row\">Caracter\u00edstica de cabal<\/th><td>Isopercentual, lineal o ON\/OFF<\/td><\/tr><tr><th scope=\"row\">Coeficient Kv<\/th><td>3,5 (DN15) a 130 m\u00b3\/h (DN100). Kv i pas redu\u00efts sota demanda<\/td><\/tr><tr><th scope=\"row\">Classe de tancament<\/th><td>Classe IV (metall-metall) \u00b7 Classe VI (obturador PTFE+grafit). Sota demanda: PEEK, NBR, EPDM, seient estel\u00b7litat<\/td><\/tr><tr><th scope=\"row\">Bonet<\/th><td>Est\u00e0ndard: \u22125 a +200 \u00b0C \u00b7 Amb aletes: m\u00e9s de +200 \u00b0C \u00b7 Allargat: menys de \u22125 \u00b0C \u00b7 Amb manxa: consultar<\/td><\/tr><tr><th scope=\"row\">Segellat de l'eix<\/th><td>Est\u00e0ndard: doble anell en V de PTFE+grafit, fins a +200 \u00b0C \u00b7 PTFE: fins a +150 \u00b0C \u00b7 Grafit: fins a +350 \u00b0C \u00b7 Manxa: consultar<\/td><\/tr><tr><th scope=\"row\">Actuador<\/th><td>Multimolla de membrana, reversible en l\u00ednia: HF.205, HF.275, HF.360 i HF.430 (de 10 a 25 kg). Acer 1.0335 amb pintura epoxi i membrana d'EPDM amb tela<\/td><\/tr><tr><th scope=\"row\">Aire de comandament<\/th><td>Fins a 4 barg, connexi\u00f3 \u00bc\u2033 BSP femella, aire sec sense oli ni aigua<\/td><\/tr><tr><th scope=\"row\">Senyals de control<\/th><td>0,2\u20131 \u00b7 0,4\u20131,2 \u00b7 0,4\u20132 \u00b7 1,5\u20133,2 bar, segons l'actuador<\/td><\/tr><tr><th scope=\"row\">Posici\u00f3 de seguretat<\/th><td>Normalment tancada o normalment oberta<\/td><\/tr><tr><th scope=\"row\">Opcions<\/th><td>Posicionador electropneum\u00e0tic (Ex) 4\u201320 mA o intel\u00b7ligent, filtre regulador, volant manual, electrov\u00e0lvula, contactes d'alarma, construcci\u00f3 inoxidable, g\u00e0bia anticavitaci\u00f3 i antisoroll. Acoblament NAMUR (IEC 534-6)<\/td><\/tr><tr><th scope=\"row\">Equips a pressi\u00f3<\/th><td>La placa indica si porta marcatge CE segons la PED 2014\/68\/UE. Declaraci\u00f3 de conformitat sota demanda<\/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, pes i Kv<\/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><th scope=\"col\">DN65<\/th><th scope=\"col\">DN80<\/th><th scope=\"col\">DN100<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Kv (m\u00b3\/h)<\/th><td>3,5<\/td><td>5<\/td><td>9<\/td><td>15<\/td><td>22<\/td><td>35<\/td><td>60<\/td><td>85<\/td><td>130<\/td><\/tr><tr><th scope=\"row\">Cv (gpm)<\/th><td>4<\/td><td>5,8<\/td><td>10,4<\/td><td>17,5<\/td><td>25<\/td><td>41<\/td><td>70<\/td><td>100<\/td><td>152<\/td><\/tr><tr><th scope=\"row\">Cursa (mm)<\/th><td>20<\/td><td>20<\/td><td>20<\/td><td>20<\/td><td>20<\/td><td>20<\/td><td>30<\/td><td>30<\/td><td>30<\/td><\/tr><tr><th scope=\"row\">Longitud A (EN 558-1)<\/th><td>130<\/td><td>150<\/td><td>160<\/td><td>180<\/td><td>200<\/td><td>230<\/td><td>290<\/td><td>310<\/td><td>350<\/td><\/tr><tr><th scope=\"row\">Longitud A (ANSI 150)<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>184<\/td><td>\u2013<\/td><td>222<\/td><td>254<\/td><td>276<\/td><td>298,5<\/td><td>352,5<\/td><\/tr><tr><th scope=\"row\">Longitud A (ANSI 300)<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>197<\/td><td>\u2013<\/td><td>235<\/td><td>267<\/td><td>292<\/td><td>317,5<\/td><td>\u2013<\/td><\/tr><tr><th scope=\"row\">Al\u00e7ada L amb HF.275<\/th><td>330<\/td><td>330<\/td><td>395<\/td><td>395<\/td><td>420<\/td><td>420<\/td><td>455<\/td><td>455<\/td><td>475<\/td><\/tr><tr><th scope=\"row\">Al\u00e7ada L amb HF.430<\/th><td>360<\/td><td>360<\/td><td>425<\/td><td>425<\/td><td>450<\/td><td>450<\/td><td>485<\/td><td>485<\/td><td>505<\/td><\/tr><tr><th scope=\"row\">Pes sense actuador (kg)<\/th><td>5<\/td><td>6<\/td><td>7<\/td><td>8<\/td><td>12<\/td><td>15<\/td><td>20<\/td><td>25<\/td><td>40<\/td><\/tr><\/tbody><\/table><\/figure><\/div><p class=\"vf-note wp-block-paragraph\">Mides en mm. \u25cb sota demanda \u00b7 \u2013 no disponible. Pl\u00e0nols acotats a la fitxa t\u00e8cnica en PDF.<\/p><h3 class=\"wp-block-heading\">Kv disponibles per di\u00e0metre (m\u00b3\/h)<\/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\">Di\u00e0metre<\/th><th scope=\"col\">Kv est\u00e0ndard<\/th><th scope=\"col\">Kv sota demanda<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">DN15<\/th><td>3,5<\/td><td>0,1 a 2<\/td><\/tr><tr><th scope=\"row\">DN20<\/th><td>5<\/td><td>0,1 a 2 \u00b7 3,5<\/td><\/tr><tr><th scope=\"row\">DN25<\/th><td>9<\/td><td>0,1 a 2 \u00b7 3,5 \u00b7 5<\/td><\/tr><tr><th scope=\"row\">DN32<\/th><td>15<\/td><td>3,5 \u00b7 5 \u00b7 9<\/td><\/tr><tr><th scope=\"row\">DN40<\/th><td>22<\/td><td>3,5 \u00b7 5 \u00b7 9 \u00b7 15<\/td><\/tr><tr><th scope=\"row\">DN50<\/th><td>35<\/td><td>9 \u00b7 15 \u00b7 22<\/td><\/tr><tr><th scope=\"row\">DN65<\/th><td>60<\/td><td>15 \u00b7 22 \u00b7 35<\/td><\/tr><tr><th scope=\"row\">DN80<\/th><td>85<\/td><td>22 \u00b7 35 \u00b7 60<\/td><\/tr><tr><th scope=\"row\">DN100<\/th><td>130<\/td><td>35 \u00b7 60 \u00b7 85<\/td><\/tr><tr><th scope=\"row\">DN125<\/th><td>\u2013<\/td><td>60 \u00b7 85 \u00b7 130 \u00b7 200<\/td><\/tr><tr><th scope=\"row\">DN150<\/th><td>\u2013<\/td><td>85 \u00b7 130 \u00b7 200 \u00b7 260<\/td><\/tr><\/tbody><\/table><\/figure><\/div><h3 class=\"wp-block-heading\">Pressi\u00f3 m\u00e0xima de treball segons la temperatura (bar) \u00b7 EN 12516-1 i EN 1092-2<\/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\">Cos (PN40 \u00b7 Classe 300)<\/th><th scope=\"col\">\u221210 \u00b0C<\/th><th scope=\"col\">50 \u00b0C<\/th><th scope=\"col\">100 \u00b0C<\/th><th scope=\"col\">150 \u00b0C<\/th><th scope=\"col\">200 \u00b0C<\/th><th scope=\"col\">250 \u00b0C<\/th><th scope=\"col\">300 \u00b0C<\/th><th scope=\"col\">350 \u00b0C<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Acer al carboni A216 WCB (1.0619)<\/th><td>40<\/td><td>40<\/td><td>36<\/td><td>35<\/td><td>34<\/td><td>33<\/td><td>30<\/td><td>29<\/td><\/tr><tr><th scope=\"row\">Acer inoxidable CF3M (1.4408)<\/th><td>40<\/td><td>38<\/td><td>33<\/td><td>30<\/td><td>28<\/td><td>26<\/td><td>25<\/td><td>24<\/td><\/tr><\/tbody><\/table><\/figure><\/div><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Especejament i materials (20 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>Bronze RG10 \u00b7 acer WCB \u00b7 inox CF3M<\/td><\/tr><tr><th scope=\"row\">2<\/th><td>Seient<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">3<\/th><td>Guia<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">4<\/th><td>Tancament (recanvi)<\/td><td>PTFE+grafit \u00b7 SS316L \u00b7 consultar<\/td><\/tr><tr><th scope=\"row\">5<\/th><td>Suport del tancament<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">6<\/th><td>Passador<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">7<\/th><td>Cargol hexagonal<\/td><td>8.8 o A-2<\/td><\/tr><tr><th scope=\"row\">8<\/th><td>Eix<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">9<\/th><td>Empaquetadura (recanvi)<\/td><td>Segons la taula de segellat de l'eix<\/td><\/tr><tr><th scope=\"row\">10<\/th><td>Junta t\u00f2rica (recanvi)<\/td><td>Viton<\/td><\/tr><tr><th scope=\"row\">11<\/th><td>Femella de bloqueig<\/td><td>Inox A2-70<\/td><\/tr><tr><th scope=\"row\">12<\/th><td>Femella de l'empaquetadura<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">13<\/th><td>Femella del conjunt actuador<\/td><td>Acer galv. 1.1191<\/td><\/tr><tr><th scope=\"row\">14<\/th><td>Bonet<\/td><td>Acer galv. 1.1191 o inox 316, segons el bonet<\/td><\/tr><tr><th scope=\"row\">15<\/th><td>Volandera<\/td><td>8.8 o A-2<\/td><\/tr><tr><th scope=\"row\">16<\/th><td>Tapa del bonet<\/td><td>Acer galv. 1.1191<\/td><\/tr><tr><th scope=\"row\">17<\/th><td>Eix<\/td><td>Inox 316L<\/td><\/tr><tr><th scope=\"row\">18<\/th><td>Junta del cos (recanvi)<\/td><td>Grafit<\/td><\/tr><tr><th scope=\"row\">19<\/th><td>Guia<\/td><td>Inox 316L + Ni<\/td><\/tr><tr><th scope=\"row\">20<\/th><td>Passador<\/td><td>Inox 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 C1<\/h2><p class=\"wp-block-paragraph\">El fluid travessa la v\u00e0lvula en el sentit de la fletxa del cos, i la posici\u00f3 de l'obturador dep\u00e8n del senyal de pressi\u00f3 que arriba a la membrana de l'actuador.<\/p><ol class=\"vf-steps wp-block-list\"><li><b>Senyal de comandament.<\/b> L'aire de control pressiona la membrana i ven\u00e7 la for\u00e7a de les molles.<\/li><li><b>Moviment de l'obturador.<\/b> L'eix de l'actuador arrossega el de la v\u00e0lvula i l'obturador s'acosta al seient o se n'allunya.<\/li><li><b>Regulaci\u00f3.<\/b> Amb obturador isopercentual o lineal, la v\u00e0lvula modula segons el senyal; amb obturador ON\/OFF treballa en tot o res.<\/li><li><b>Posici\u00f3 de seguretat.<\/b> Si fallen el senyal o l'aire, les molles tanquen la v\u00e0lvula (normalment tancada) o l'obren (normalment oberta).<\/li><li><b>Canvi d'acci\u00f3.<\/b> L'actuador es pot invertir d'acci\u00f3 directa a inversa en l\u00ednia i amb rapidesa.<\/li><\/ol><\/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 C1<\/h2><p class=\"wp-block-paragraph\">El manual recomana un bypass amb v\u00e0lvula manual per continuar controlant el proc\u00e9s a m\u00e0 mentre la C1 s'a\u00eflla per al manteniment.<\/p><h3 class=\"wp-block-heading\">Muntatge i posada en marxa<\/h3><ol class=\"vf-steps wp-block-list\"><li><b>Munti v\u00e0lvules d'a\u00efllament<\/b> a l'entrada i a la sortida, un filtre colador aig\u00fces amunt i una v\u00e0lvula manual en bypass. No superi mai la pressi\u00f3 ni la temperatura de les especificacions.<\/li><li><b>Deixi 6 \u00d7 DN lliures<\/b> d'obstacles abans i despr\u00e9s de la v\u00e0lvula, eviti tensions i vibracions i reservi espai per extreure l'actuador.<\/li><li><b>Respecti la fletxa del cos.<\/b> El m\u00e9s recomanable \u00e9s canonada horitzontal amb l'actuador vertical cap amunt; el manual admet tamb\u00e9 l'actuador horitzontal o cap avall.<\/li><li><b>Connecti l'aire de comandament<\/b> a la presa de \u00bc\u2033 BSP femella: aire sec, sense oli ni aigua, a 4 barg com a m\u00e0xim. El senyal de control figura a la placa de caracter\u00edstiques.<\/li><li><b>Posi en marxa a poc a poc:<\/b> obri lentament les v\u00e0lvules d'a\u00efllament i comprovi que no hi ha fuites.<\/li><\/ol><p class=\"wp-block-paragraph\">Valfonta lliura l'actuador <strong>precalibrat<\/strong> segons els requisits del client; si cal reajustar la cursa, el manual en descriu el procediment. Els actuadors amb molles precarregades s'identifiquen per quatre cargols m\u00e9s llargs: descomprimeixi-les abans d'intervenir-hi. En zones ATEX, la resist\u00e8ncia el\u00e8ctrica entre la v\u00e0lvula i la instal\u00b7laci\u00f3 ha de ser inferior a 10\u2076 \u03a9. Repassi tamb\u00e9 els errors comuns en v\u00e0lvules de control de pressi\u00f3.<\/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 C1<\/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 C1<\/b><span>PDF \u00b7 6 p\u00e0gines \u00b7 caracter\u00edstiques, dimensions, especejament, Kv i pressi\u00f3 admissible per actuador<\/span><\/p><\/div><p class=\"vf-enllac wp-block-paragraph\"><a class=\"vf-enllac-estirat\" href=\"\/wp-content\/uploads\/2026\/10\/C1-19A-ESP.pdf\" aria-label=\"PDF Fitxa t\u00e8cnica C1 PDF \u00b7 6 p\u00e0gines \u00b7 caracter\u00edstiques, dimensions, especejament, Kv i pressi\u00f3 admissible per actuador\" 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, manteniment i instal\u00b7laci\u00f3<\/b><span>PDF \u00b7 17 p\u00e0gines \u00b7 placa de caracter\u00edstiques, ATEX, instal\u00b7laci\u00f3, manteniment i recepci\u00f3<\/span><\/p><\/div><p class=\"vf-enllac wp-block-paragraph\"><a class=\"vf-enllac-estirat\" href=\"\/wp-content\/uploads\/2026\/10\/manual-C1-13B-ESP.pdf\" aria-label=\"PDF Manual d&#x27;\u00fas, manteniment i instal\u00b7laci\u00f3 PDF \u00b7 17 p\u00e0gines \u00b7 placa de caracter\u00edstiques, ATEX, instal\u00b7laci\u00f3, manteniment i recepci\u00f3\" rel=\"noopener\" target=\"_blank\"><\/a><\/p><\/div><\/div><p class=\"wp-block-paragraph\">Necessita la declaraci\u00f3 de conformitat o la documentaci\u00f3 ATEX d'una comanda? 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 C1 comparada amb les reductores autoaccionades<\/h2><p class=\"wp-block-paragraph\">La C1 \u00e9s l'\u00fanica v\u00e0lvula de control amb actuador de la gamma. Les reductores M1, M2 i VD regulen la pressi\u00f3 de sortida sense energia auxiliar; la C1 necessita aire de comandament, per\u00f2 es governa des del control del proc\u00e9s i admet servei ON\/OFF.<\/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\">Accionament<\/th><th scope=\"col\">DN<\/th><th scope=\"col\">PN<\/th><th scope=\"col\">T. m\u00e0x. (\u00b0C)<\/th><th scope=\"col\">Vapor<\/th><th scope=\"col\">Energia auxiliar<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\"><span class=\"vf-dato vf-dato-fila\" hidden data-vf-class=\"vf-cur\"><\/span>C1<\/th><td>Actuador pneum\u00e0tic<\/td><td>15 \u2013 100<\/td><td>25 \/ 40<\/td><td>200 (350)<\/td><td>S\u00ed<\/td><td>Aire fins a 4 barg<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a><\/th><td>Autoaccionada, membrana<\/td><td>15 \u2013 150<\/td><td>40<\/td><td>220<\/td><td>S\u00ed<\/td><td>No<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a><\/th><td>Autoaccionada, membrana<\/td><td>15 \u2013 100<\/td><td>40<\/td><td>180<\/td><td>S\u00ed<\/td><td>No<\/td><\/tr><tr><th scope=\"row\"><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a><\/th><td>Autoaccionada, pist\u00f3<\/td><td>15 \u2013 100<\/td><td>40<\/td><td>200<\/td><td>S\u00ed<\/td><td>No<\/td><\/tr><\/tbody><\/table><\/figure><\/div><p class=\"vf-note wp-block-paragraph\">Entre par\u00e8ntesis: C1 amb bonet amb aletes i empaquetadura de grafit; VD amb juntes EPDM o Viton. Dades de la fitxa C1-19A i del cat\u00e0leg de reductores 2025. M\u00e9s criteris a la nostra guia de selecci\u00f3 de v\u00e0lvules de control.<\/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 C1<\/h2><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina difer\u00e8ncia hi ha entre la C1 i una reductora autoaccionada?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">La C1 mou l'obturador amb un actuador pneum\u00e0tic que respon a un senyal de control, per la qual cosa necessita aire de comandament (fins a 4 barg). Les reductores <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-autoaccionada\/\">M1<\/a>, <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio\/\">M2<\/a> i <a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-reductora-de-pressio-model-vd\/\">VD<\/a> regulen la pressi\u00f3 de sortida per si mateixes, sense energia auxiliar. Ho comparem a v\u00e0lvula autoaccionada enfront de v\u00e0lvula amb actuador.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Qu\u00e8 passa si falla l&#x27;aire de comandament?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">La v\u00e0lvula va a la seva posici\u00f3 de seguretat, que dep\u00e8n de com estiguin muntades les molles de l'actuador: la versi\u00f3 normalment tancada es tanca i la normalment oberta s'obre.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Es pot comandar amb un senyal de 4\u201320 mA?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">S\u00ed, amb el posicionador electropneum\u00e0tic (Ex) de 4\u201320 mA o amb un posicionador intel\u00b7ligent, que s'ofereixen com a opci\u00f3. L'acoblament d'accessoris \u00e9s NAMUR segons IEC 534-6. M\u00e9s informaci\u00f3 sobre les v\u00e0lvules autom\u00e0tiques de control.<\/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, en la versi\u00f3 amb marcatge ATEX II 2 GD (certificat LOM 14.034 U), per a zones 1, 2, 21 i 22. La v\u00e0lvula ha de quedar equipotencial amb la instal\u00b7laci\u00f3.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quin manteniment necessita?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Les peces de desgast es revisen segons la severitat del servei, amb el cos instal\u00b7lat, despressuritzat i a\u00efllat. Recanvis recomanats: tancament, empaquetadura, junta t\u00f2rica i junta del cos; a l'actuador, \u00e8mbol, molles, membrana i junta t\u00f2rica. Per demanar-los, indiqui el n\u00famero de s\u00e8rie de la placa.<\/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\">Alternatives autoaccionades a la C1<\/h2><ul class=\"vf-rel wp-block-list\"><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>Sense energia auxiliar, DN15\u2013150 i vapor fins a 220 \u00b0C.<\/span><\/a><\/li><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.jpg\" alt=\"Reductora de membrana M2\" class=\"wp-image-206\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora de membrana M2<\/b><span>Sense actuador, 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-amb-manxa\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-M2F.jpg\" alt=\"Reductora amb manxa M2\" class=\"wp-image-209\" width=\"300\" height=\"300\" loading=\"lazy\"><b>Reductora amb manxa M2<\/b><span>Autoaccionada amb manxa, DN15\u201350 i vapor fins a 200 \u00b0C.<\/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>De pist\u00f3, DN15\u2013100 i PN40, per a vapor fins a 200 \u00b0C, l\u00edquids i gasos.<\/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 C1<\/h2><p class=\"wp-block-paragraph\">Indiqui'ns les dades del seu proc\u00e9s i li proposarem el di\u00e0metre, el Kv, l'obturador i l'actuador adequats.<\/p><ul class=\"wp-block-list\"><li>Fluid, temperatura i pressi\u00f3 de servei<\/li><li>Pressions d'entrada i de sortida i cabals m\u00e0xim i m\u00ednim (o Kv)<\/li><li>Senyal de control i posici\u00f3 de seguretat (NC o NA)<\/li><li>Material del cos, connexi\u00f3 i classe de tancament<\/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-f587-o1\" lang=\"ca\" dir=\"ltr\" data-wpcf7-id=\"587\">\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\/786#wpcf7-f587-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=\"587\" \/><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-f587-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=\"1792703026.27a128f4c5009e61\" \/>\n<\/fieldset>\n<input class=\"wpcf7-form-control wpcf7-hidden\" value=\"C1\" 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\">DN15<\/option><option value=\"DN20\">DN20<\/option><option value=\"DN25\">DN25<\/option><option value=\"DN32\">DN32<\/option><option value=\"DN40\">DN40<\/option><option value=\"DN50\">DN50<\/option><option value=\"DN65\">DN65<\/option><option value=\"DN80\">DN80<\/option><option value=\"DN100\">DN100<\/option><option value=\"DN125 o DN150\">DN125 o DN150<\/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, aigua, aire, gas\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 (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>Senyal de control<span class=\"wpcf7-form-control-wrap\" data-name=\"senal\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"p. ex. 4\u201320 mA o 0,2\u20131 bar\" value=\"\" type=\"text\" name=\"senal\" \/><\/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 de control\u203aV\u00e0lvula de control amb actuador pneum\u00e0tic C1 V\u00e0lvula de control \u00b7 Actuador pneum\u00e0tic V\u00e0lvula de control amb actuador pneum\u00e0tic C1 Modulant o ON\/OFF V\u00e0lvula de control de globus, de seient simple i entrada superior, accionada per un actuador pneum\u00e0tic multimolla de membrana. Regula gasos, vapors i l\u00edquids en servei modulant o ON\/OFF, de ... <a title=\"V\u00e0lvula de control amb actuador pneum\u00e0tic C1\" class=\"read-more\" href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/\" aria-label=\"M\u00e9s informaci\u00f3 sobre V\u00e0lvula de control amb actuador pneum\u00e0tic C1\">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 de control amb actuador pneum\u00e0tic C1 | Valfonta","rank_math_description":"V\u00e0lvula de control C1 de globus i seient simple amb actuador pneum\u00e0tic de membrana. DN15 a DN100, PN25\/PN40, Kv fins a 130 m\u00b3\/h, modulant o ON\/OFF.","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-control\/#webpage\",\"url\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/\",\"name\":\"V\u00e0lvula de control amb actuador pneum\u00e0tic C1 | Valfonta\",\"description\":\"V\u00e0lvula de control C1 de globus i seient simple amb actuador pneum\u00e0tic de membrana. DN15 a DN100, PN25\/PN40, Kv fins a 130 m\u00b3\/h, modulant o ON\/OFF.\",\"isPartOf\":{\"@id\":\"https:\/\/www.valfonta.com\/#website\"},\"about\":{\"@id\":\"https:\/\/www.valfonta.com\/#organization\"},\"inLanguage\":\"ca\",\"datePublished\":\"2020-02-04T12:54:06+02:00\",\"dateModified\":\"2026-03-19T14:51:26+02:00\",\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-C1-PROVISIONAL-700x700-1.jpg\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/#breadcrumb\"},\"mainEntity\":{\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/#product\"}},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-C1-PROVISIONAL-700x700-1.jpg\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-C1-PROVISIONAL-700x700-1.jpg\",\"width\":\"1000\",\"height\":\"1000\",\"caption\":\"V\u00e0lvula de control\",\"inLanguage\":\"ca\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Inici\",\"item\":\"https:\/\/www.valfonta.com\/ca\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"V\u00e0lvules de control\",\"item\":\"https:\/\/www.valfonta.com\/ca\/valvula-de-control\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"V\u00e0lvula de control amb actuador pneum\u00e0tic C1\",\"item\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/\"}]},{\"@type\":\"Product\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/#product\",\"name\":\"V\u00e0lvula de control amb actuador pneum\u00e0tic C1\",\"url\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/\",\"description\":\"V\u00e0lvula de control de globus, de seient simple i entrada superior, accionada per un actuador pneum\u00e0tic multimolla de membrana. Regula gasos, vapors i l\u00edquids en servei modulant o ON\/OFF, de DN15 a DN100 i fins a PN40.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Valfonta\"},\"manufacturer\":{\"@id\":\"https:\/\/www.valfonta.com\/#organization\"},\"model\":\"C1\",\"image\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/ok-C1-PROVISIONAL-700x700-1.jpg\",\"material\":\"Bronze RG-10 (CuSn10-CC480K), acer al carboni GP240GH (1.0619) o acer inoxidable CF3M (1.4408)\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Tipus\",\"value\":\"Globus, dues vies, seient simple, entrada superior (top entry), obturador guiat\"},{\"@type\":\"PropertyValue\",\"name\":\"Connexions\",\"value\":\"Brides EN 1092-1 forma B1 \u00b7 ANSI 150\/300 \u00b7 Sota demanda: rosca BSP o NPT, BW o SW\"},{\"@type\":\"PropertyValue\",\"name\":\"Cos i pressi\u00f3 nominal\",\"value\":\"PN25: bronze RG-10 (EN 1982 CuSn10-CC480K) \u00b7 PN40: acer al carboni GP240GH \/ A216 WCB (1.0619) \u00b7 PN40: acer inoxidable CF3M (1.4408)\"},{\"@type\":\"PropertyValue\",\"name\":\"Fluids\",\"value\":\"Gasos, vapors i l\u00edquids\"},{\"@type\":\"PropertyValue\",\"name\":\"Caracter\u00edstica de cabal\",\"value\":\"Isopercentual, lineal o ON\/OFF\"},{\"@type\":\"PropertyValue\",\"name\":\"Coeficient Kv\",\"value\":\"3,5 (DN15) a 130 m\u00b3\/h (DN100). 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Declaraci\u00f3 de conformitat sota demanda\"},{\"@type\":\"PropertyValue\",\"name\":\"ATEX\",\"value\":\"II 2 GD c IIC Tx \/ c IIIC Tx\u00baC \u00b7 certificat LOM 14.034 U\"}],\"category\":\"V\u00e0lvules de control\",\"subjectOf\":[{\"@type\":\"DigitalDocument\",\"name\":\"Fitxa t\u00e8cnica C1\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/C1-19A-ESP.pdf\",\"encodingFormat\":\"application\/pdf\"},{\"@type\":\"DigitalDocument\",\"name\":\"Manual d'\u00fas, manteniment i instal\u00b7laci\u00f3\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/manual-C1-13B-ESP.pdf\",\"encodingFormat\":\"application\/pdf\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-control\/#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Quina difer\u00e8ncia hi ha entre la C1 i una reductora autoaccionada?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La C1 mou l'obturador amb un actuador pneum\u00e0tic que respon a un senyal de control, per la qual cosa necessita aire de comandament (fins a 4 barg). Les reductores M1, M2 i VD regulen la pressi\u00f3 de sortida per si mateixes, sense energia auxiliar. Ho comparem a v\u00e0lvula autoaccionada enfront de v\u00e0lvula amb actuador.\"}},{\"@type\":\"Question\",\"name\":\"Qu\u00e8 passa si falla l'aire de comandament?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La v\u00e0lvula va a la seva posici\u00f3 de seguretat, que dep\u00e8n de com estiguin muntades les molles de l'actuador: la versi\u00f3 normalment tancada es tanca i la normalment oberta s'obre.\"}},{\"@type\":\"Question\",\"name\":\"Es pot comandar amb un senyal de 4\u201320 mA?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"S\u00ed, amb el posicionador electropneum\u00e0tic (Ex) de 4\u201320 mA o amb un posicionador intel\u00b7ligent, que s'ofereixen com a opci\u00f3. L'acoblament d'accessoris \u00e9s NAMUR segons IEC 534-6. M\u00e9s informaci\u00f3 sobre les v\u00e0lvules autom\u00e0tiques de control.\"}},{\"@type\":\"Question\",\"name\":\"Es pot instal\u00b7lar en una zona ATEX?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"S\u00ed, en la versi\u00f3 amb marcatge ATEX II 2 GD (certificat LOM 14.034 U), per a zones 1, 2, 21 i 22. La v\u00e0lvula ha de quedar equipotencial amb la instal\u00b7laci\u00f3.\"}},{\"@type\":\"Question\",\"name\":\"Quin manteniment necessita?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Les peces de desgast es revisen segons la severitat del servei, amb el cos instal\u00b7lat, despressuritzat i a\u00efllat. Recanvis recomanats: tancament, empaquetadura, junta t\u00f2rica i junta del cos; a l'actuador, \u00e8mbol, molles, membrana i junta t\u00f2rica. Per demanar-los, indiqui el n\u00famero de s\u00e8rie de la placa.\"}}]}]}]"},"product_brand":[],"product_cat":[80],"product_tag":[],"class_list":["post-786","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\/786","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=786"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product_brand?post=786"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product_cat?post=786"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.valfonta.com\/ca\/wp-json\/wp\/v2\/product_tag?post=786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}