{"id":788,"date":"2026-10-02T13:17:42","date_gmt":"2026-10-02T11:17:42","guid":{"rendered":"https:\/\/www.valfonta.com\/producto\/valvula-de-seguretat-dobertura-total-alper\/"},"modified":"2026-10-22T09:24:15","modified_gmt":"2026-10-22T07:24:15","slug":"valvula-de-seguretat-dobertura-total-alper","status":"publish","type":"product","link":"https:\/\/www.valfonta.com\/ca\/producte\/valvula-de-seguretat-dobertura-total-alper\/","title":{"rendered":"V\u00e0lvula de seguretat ALPER"},"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 class=\"vf-sep\" aria-hidden=\"true\">\u203a<\/span><a href=\"https:\/\/www.valfonta.com\/ca\/valvules-de-seguretat\/\">V\u00e0lvules de seguretat<\/a><span class=\"vf-sep\" aria-hidden=\"true\">\u203a<\/span><span aria-current=\"page\">V\u00e0lvula de seguretat ALPER<\/span><\/p><\/nav><article class=\"wp-block-group vf-pdp vfd-model--ALPER 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 seguretat \u00b7 Obertura total instant\u00e0nia<\/p><h1 class=\"wp-block-heading\">V\u00e0lvula de seguretat ALPER<\/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\">Obertura total<\/span><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/alper-1-700x700-1.jpg\" alt=\"V\u00e0lvula de seguretat ALPER d&#x27;obertura total amb palanca i escapament condu\u00eft a 90\u00b0\" class=\"wp-image-184\" 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 seguretat d'obertura total instant\u00e0nia (A.I.T.) amb escapament condu\u00eft a 90\u00b0. Detecta sobrepressions en dip\u00f2sits, calderes o canonades i descarrega el fluid sobrant sense energia auxiliar, en bronze o acer inoxidable i fins a 280 \u00b0C.<\/p><ul class=\"vf-pdp-keys wp-block-list\"><li><span>Entrada<\/span><b>\u00bc\u2033 a 4\u2033 rosca \u00b7 DN15\u2013DN100 brides<\/b><\/li><li><span>Obertura<\/span><b>Total instant\u00e0nia (A.I.T.)<\/b><\/li><li><span>Pressi\u00f3 m\u00e0xima<\/span><b>PN25 tancament met\u00e0l\u00b7lic \u00b7 PN16 PTFE<\/b><\/li><li><span>Temperatura m\u00e0x.<\/span><b>280 \u00b0C inox \u00b7 240 \u00b0C bronze<\/b><\/li><li><span>Material<\/span><b>Bronze RG5 o inox 316L<\/b><\/li><li><span>Escapament<\/span><b>Condu\u00eft a 90\u00b0<\/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\/ALPER-11-CATALOGO-ESP.pdf\" target=\"_blank\" rel=\"noopener\">Descarregar la fitxa t\u00e8cnica <small>PDF<\/small><\/a><\/p><\/div><p class=\"vf-pdp-contact wp-block-paragraph\">T\u00e9 dubtes sobre la figura o la pressi\u00f3 de tarat? 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>Assajada en banc amb aire a pressi\u00f3<\/li><li>Subministrada tarada a la pressi\u00f3 que vost\u00e8 indiqui<\/li><li>Components principals numerats<\/li><li>Forat de drenatge de \u00bc\u2033 per a condensats<\/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=\"#documentacion\">Documentaci\u00f3<\/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\"><h2 class=\"wp-block-heading\">Per a qu\u00e8 s'utilitza l'ALPER<\/h2><p class=\"wp-block-paragraph\">L'<strong>ALPER<\/strong> \u00e9s una <a href=\"https:\/\/www.valfonta.com\/ca\/valvules-de-seguretat\/\">v\u00e0lvula de seguretat<\/a> d'obertura total instant\u00e0nia per a l\u00edquids, aire comprimit, gasos neutres i vapor. Quan la pressi\u00f3 supera el valor de tarat, s'obre i descarrega el fluid excessiu; quan es normalitza, es torna a tancar. Porta un forat roscat de \u00bc\u2033 femella per al drenatge i l'evacuaci\u00f3 de condensats. M\u00e9s context al nostre article sobre els dispositius d'alleujament de pressi\u00f3.<\/p><\/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 l'ALPER<\/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>V\u00e0lvula de seguretat d'obertura total instant\u00e0nia (A.I.T.)<\/td><\/tr><tr><th scope=\"row\">Escapament<\/th><td>Condu\u00eft a 90\u00b0<\/td><\/tr><tr><th scope=\"row\">Connexions<\/th><td>Entrada: rosca BSP mascle o brides DIN \u00b7 Sortida: rosca BSP femella (brides, consultar)<\/td><\/tr><tr><th scope=\"row\">Materials<\/th><td>Campana: bronze RG5 o inox CF-8M \u00b7 Peu: bronze RG5 o inox AISI 316L \u00b7 Obturador: PTFE, bronze RG5 o inox AISI 316L<\/td><\/tr><tr><th scope=\"row\">Pressi\u00f3 m\u00e0xima<\/th><td>PN25 amb tancament met\u00e0l\u00b7lic \u00b7 PN16 amb tancament de PTFE<\/td><\/tr><tr><th scope=\"row\">Temperatura m\u00e0xima<\/th><td>280 \u00b0C en inox \u00b7 240 \u00b0C en bronze<\/td><\/tr><tr><th scope=\"row\">Fluids<\/th><td>L\u00edquids, aire comprimit, gasos neutres i vapor<\/td><\/tr><tr><th scope=\"row\">Assaig<\/th><td>En banc amb aire a pressi\u00f3 i a temperatura ambient; se subministra tarada a la pressi\u00f3 sol\u00b7licitada<\/td><\/tr><tr><th scope=\"row\">Certificaci\u00f3<\/th><td>Cat\u00e0leg amb certificat PED 97\/23\/CE; marcatge CE segons la figura (vegi la taula). Certificats de materials, colades i rendiments sota comanda<\/td><\/tr><tr><th scope=\"row\">Altres possibilitats<\/th><td>Molla inox AISI 302\/316 \u00b7 tancament de Viton, NBR o EPDM \u00b7 brida d'entrada ANSI \u00b7 rosca NPT<\/td><\/tr><\/tbody><\/table><\/figure><\/div><h3 class=\"wp-block-heading\">Figures disponibles<\/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\">Figures (palanca \/ herm\u00e8tica)<\/th><th scope=\"col\">Campana \u00b7 peu \u00b7 obturador<\/th><th scope=\"col\">Entrada<\/th><th scope=\"col\">Sortida BSP<\/th><th scope=\"col\">Certificat CE<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">375 \/ 376<\/th><td>Inox CF-8M \u00b7 inox 316L \u00b7 inox 316L<\/td><td>Rosca \u00bc\u2033\u20131\u00bc\u2033<\/td><td>\u00be\u2033 i 1\u00bc\u2033<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\">377 \/ 378<\/th><td>Inox CF-8M \u00b7 inox 316L \u00b7 inox 316L<\/td><td>Brides DN15\u2013DN32<\/td><td>\u00be\u2033 i 1\u00bc\u2033<\/td><td>No<\/td><\/tr><tr><th scope=\"row\">385 \/ 386<\/th><td>Bronze \u00b7 inox 316L \u00b7 inox 316L<\/td><td>Rosca 3\/8\u2033\u20134\u2033<\/td><td>\u00bd\u2033\u20134\u2033<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\">387 \/ 388<\/th><td>Bronze \u00b7 inox 316L \u00b7 inox 316L<\/td><td>Brides DN15\u2013DN100<\/td><td>\u00be\u2033\u20134\u2033<\/td><td>No<\/td><\/tr><tr><th scope=\"row\">395 \/ 396<\/th><td>Bronze \u00b7 bronze \u00b7 PTFE o bronze<\/td><td>Rosca 3\/8\u2033\u20134\u2033<\/td><td>\u00bd\u2033\u20134\u2033<\/td><td>S\u00ed<\/td><\/tr><tr><th scope=\"row\">397 \/ 398<\/th><td>Bronze \u00b7 bronze \u00b7 PTFE o bronze<\/td><td>Brides DN15\u2013DN100<\/td><td>\u00be\u2033\u20134\u2033<\/td><td>Consultar<\/td><\/tr><\/tbody><\/table><\/figure><\/div><\/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 l'ALPER<\/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>Cat\u00e0leg de la v\u00e0lvula de seguretat ALPER<\/b><span>PDF \u00b7 3 p\u00e0gines \u00b7 caracter\u00edstiques, figures i mides<\/span><\/p><\/div><p class=\"vf-enllac wp-block-paragraph\"><a class=\"vf-enllac-estirat\" href=\"\/wp-content\/uploads\/2026\/10\/ALPER-11-CATALOGO-ESP.pdf\" aria-label=\"PDF Cat\u00e0leg de la v\u00e0lvula de seguretat ALPER PDF \u00b7 3 p\u00e0gines \u00b7 caracter\u00edstiques, figures i mides\" target=\"_blank\" rel=\"noopener\"><\/a><\/p><\/div><\/div><\/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 l'ALPER<\/h2><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina figura necessito?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">Dep\u00e8n del material, la connexi\u00f3 i l'accionament. Les figures senars (375, 377, 385, 387, 395 i 397) porten palanca i les parells s\u00f3n herm\u00e8tiques. Les 375 a 378 s\u00f3n d'inox, les 385 a 388 combinen campana de bronze amb peu d'inox, i les 395 a 398 s\u00f3n de bronze, amb obturador de PTFE o de bronze.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quina pressi\u00f3 m\u00e0xima admet?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">PN25 amb tancament met\u00e0l\u00b7lic i PN16 amb tancament de PTFE. La temperatura m\u00e0xima \u00e9s de 280 \u00b0C en inox i 240 \u00b0C en bronze.<\/p><\/div><\/details><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Es lliura tarada?<\/summary><div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><p class=\"wp-block-paragraph\">S\u00ed. Totes s'assagen en banc amb aire a pressi\u00f3 i a temperatura ambient, i se subministren tarades a la pressi\u00f3 que indiqui el client.<\/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 v\u00e0lvules de seguretat de Valfonta<\/h2><ul class=\"vf-rel wp-block-list\"><li><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvules-de-seguretat-per-a-calderes-jas\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/jas-1.jpg\" alt=\"V\u00e0lvula de seguretat JAS\" class=\"wp-image-211\" width=\"300\" height=\"300\" loading=\"lazy\"><b>V\u00e0lvula de seguretat JAS<\/b><span>Obertura total en llaut\u00f3, compacta: \u00bc\u2033 a \u00be\u2033, PN16 i 180 \u00b0C.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-de-seguretat-d-apertura-progresiva-figura-368-371\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/alivio-368-700x700-1.jpg\" alt=\"V\u00e0lvula de seguretat 368\u2013371\" class=\"wp-image-196\" width=\"300\" height=\"300\" loading=\"lazy\"><b>V\u00e0lvula de seguretat 368\u2013371<\/b><span>Obertura progressiva en llaut\u00f3\/bronze, de 3\/8\u2033 a 3\u2033.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvules-atmosferiques-alper\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/alperatmos-2.jpg\" alt=\"V\u00e0lvules atmosf\u00e8riques ALPER\" class=\"wp-image-212\" width=\"300\" height=\"300\" loading=\"lazy\"><b>V\u00e0lvules atmosf\u00e8riques ALPER<\/b><span>Mateixa construcci\u00f3, per a buit i pressions molt baixes.<\/span><\/a><\/li><li><a href=\"https:\/\/www.valfonta.com\/ca\/valvules-alleujament-de-pressio\/\"><img decoding=\"async\" src=\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valvula-alivio-presion-s3-s4-perspectiva-400.webp\" alt=\"V\u00e0lvules d&#x27;alleujament de pressi\u00f3\" class=\"wp-image-10230\" width=\"300\" height=\"300\" loading=\"lazy\"><b>V\u00e0lvules d'alleujament de pressi\u00f3<\/b><span>Gamma S1\u2013S4 i PRV53\u201355, de DN15 a DN150 i tarat fins a 20 barg.<\/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 l'ALPER<\/h2><p class=\"wp-block-paragraph\">Indiqui'ns les dades de la seva instal\u00b7laci\u00f3 i li recomanarem la figura, la mida i el tancament adequats.<\/p><ul class=\"wp-block-list\"><li>Fluid i temperatura<\/li><li>Pressi\u00f3 de tarat<\/li><li>Material i connexi\u00f3 (rosca o brides)<\/li><li>Amb palanca o herm\u00e8tica i si necessita marcatge CE<\/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-f589-o1\" lang=\"ca\" dir=\"ltr\" data-wpcf7-id=\"589\">\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\/788#wpcf7-f589-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=\"589\" \/><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-f589-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=\"1792703046.9b420ef7e173284c\" \/>\n<\/fieldset>\n<input class=\"wpcf7-form-control wpcf7-hidden\" value=\"ALPER\" 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=\"\u00bc\u2033\">\u00bc\u2033<\/option><option value=\"3\/8\u2033\">3\/8\u2033<\/option><option value=\"\u00bd\u2033\">\u00bd\u2033<\/option><option value=\"\u00be\u2033\">\u00be\u2033<\/option><option value=\"1\u2033\">1\u2033<\/option><option value=\"1\u00bc\u2033\">1\u00bc\u2033<\/option><option value=\"1\u00bd\u2033\">1\u00bd\u2033<\/option><option value=\"2\u2033\">2\u2033<\/option><option value=\"2\u00bd\u2033\">2\u00bd\u2033<\/option><option value=\"3\u2033\">3\u2033<\/option><option value=\"4\u2033\">4\u2033<\/option><option value=\"DN15 a DN100 (brides)\">DN15 a DN100 (brides)<\/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, aigua\u2026\" value=\"\" type=\"text\" name=\"fluido\" \/><\/span><\/label><label>Pressi\u00f3 de tarat (bar)<span class=\"wpcf7-form-control-wrap\" data-name=\"tarado\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"tarado\" \/><\/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 de seguretat\u203aV\u00e0lvula de seguretat ALPER V\u00e0lvula de seguretat \u00b7 Obertura total instant\u00e0nia V\u00e0lvula de seguretat ALPER Obertura total V\u00e0lvula de seguretat d'obertura total instant\u00e0nia (A.I.T.) amb escapament condu\u00eft a 90\u00b0. Detecta sobrepressions en dip\u00f2sits, calderes o canonades i descarrega el fluid sobrant sense energia auxiliar, en bronze o acer inoxidable i fins a 280 ... <a title=\"V\u00e0lvula de seguretat ALPER\" class=\"read-more\" href=\"https:\/\/www.valfonta.com\/ca\/producte\/valvula-de-seguretat-dobertura-total-alper\/\" aria-label=\"M\u00e9s informaci\u00f3 sobre V\u00e0lvula de seguretat ALPER\">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 seguretat d'obertura total ALPER | Valfonta","rank_math_description":"V\u00e0lvula de seguretat ALPER d'obertura total instant\u00e0nia, en bronze o inox 316L. Rosca de \u00bc\u2033 a 4\u2033 o brides DN15\u2013DN100, PN25 (PN16 amb PTFE), fins a 280 \u00b0C.","rank_math_focus_keyword":"","vf_jsonld":"[{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.valfonta.com\/#organization\",\"name\":\"Valfonta\",\"legalName\":\"Val Fonta, S.L.\",\"taxID\":\"B59935718\",\"url\":\"https:\/\/www.valfonta.com\/ca\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/www.valfonta.com\/wp-content\/uploads\/2026\/10\/valfonta-logo.webp\"},\"foundingDate\":\"1962\",\"email\":\"valfonta@valfonta.com\",\"telephone\":\"+34 933 720 888\",\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"C\/ Bronze 26, Pol. Ind. 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