{"id":3067,"date":"2025-03-18T09:10:13","date_gmt":"2025-03-18T01:10:13","guid":{"rendered":"https:\/\/www.shopvalves.com\/product\/spirax-sarco-pilot-operated-pressure-regulator-%c2%bd-to-4-25p\/"},"modified":"2026-03-24T11:34:44","modified_gmt":"2026-03-24T03:34:44","slug":"spirax-sarco-pilot-operated-pressure-regulator-%c2%bd-to-4-25p","status":"publish","type":"product","link":"https:\/\/www.shopvalves.com\/es\/producto\/spirax-sarco-pilot-operated-pressure-regulator-\u00bd-to-4-25p\/","title":{"rendered":"Spirax Sarco 25P V\u00e1lvula reductora de presi\u00f3n pilotada DN15-DN150 SG\/CI\/CS Conexi\u00f3n de brida"},"content":{"rendered":"<p>Las v\u00e1lvulas reductoras de presi\u00f3n pilotadas Spirax Sarco 25P de \u00bd\" - 5\" son v\u00e1lvulas reductoras de presi\u00f3n pilotadas de acci\u00f3n autom\u00e1tica. La presi\u00f3n aguas abajo se detecta a trav\u00e9s de un tubo sensor de presi\u00f3n externo, que regula la apertura de la v\u00e1lvula principal y mantiene una presi\u00f3n estable. La v\u00e1lvula puede cerrarse cuando no hay carga aguas abajo. La v\u00e1lvula principal de esta v\u00e1lvula reductora de presi\u00f3n tiene un solo asiento, acabado de carrete de carburo, el cuerpo de la v\u00e1lvula es de hierro d\u00factil (o acero fundido), y la v\u00e1lvula piloto est\u00e1 atornillada directamente a la v\u00e1lvula principal.<\/p>\n<h3>Modelos disponibles<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">n\u00famero de modelo<\/th>\n<th style=\"text-align: left;\">SKU<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">DN15 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6090349<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN20 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6090352<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN25 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6090355<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN32 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6090358<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN40 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6090361<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN50 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6090364<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN65 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6095200<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN80 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6095203<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN100 25P SG Azul<\/td>\n<td style=\"text-align: left;\">6095206<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN125 25P SG Azul<\/td>\n<td style=\"text-align: left;\">3267145<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN150 25P CI Azul<\/td>\n<td style=\"text-align: left;\">60003504<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN15 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307015005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN20 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307020005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN25 25P CS Azul<\/td>\n<td style=\"text-align: left;\">7307025005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN40 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307040005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN50 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307050005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN65 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307065005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN80 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307080005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN100 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307100005<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DN150 25P CS Azul<\/td>\n<td style=\"text-align: left;\">9307150006<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Rango de presi\u00f3n aguas abajo<\/h3>\n<ul>\n<li><strong>Primavera amarilla<\/strong>: 0,2 bar g - 2,1 bar g<\/li>\n<li><strong>Primavera azul<\/strong>: 1,4 bar g - 7,0 bar g<\/li>\n<li><strong>Primavera roja<\/strong>: 5,6 bar g - 14,0 bar g<\/li>\n<\/ul>\n<h3>Calibre y conexiones de tuber\u00edas<\/h3>\n<ul>\n<li>\u00bd\" - 2\": Rosca BSPT (BS21)<\/li>\n<li>\u00bd\" - 4\": bridas PN 16, 25 (fundici\u00f3n d\u00factil), PN 40 (acero fundido)<\/li>\n<li>5\": brida PN16, 25 (fundici\u00f3n d\u00factil)<\/li>\n<li>Otros tama\u00f1os de conexi\u00f3n a petici\u00f3n de Spirax Sarco<\/li>\n<\/ul>\n<h3>pesos<\/h3>\n<table>\n<thead>\n<tr>\n<th>calibre<\/th>\n<th>Peso (hierro fundido) (kg)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\/2\"<\/td>\n<td>10,8 (rosca), 11,4 (brida)<\/td>\n<\/tr>\n<tr>\n<td>3\/4\"<\/td>\n<td>10,2 (rosca), 12,2 (brida)<\/td>\n<\/tr>\n<tr>\n<td>1\"<\/td>\n<td>13,6 (rosca), 16 (brida)<\/td>\n<\/tr>\n<tr>\n<td>1 1\/4\"<\/td>\n<td>16 (rosca), 18,8 (brida)<\/td>\n<\/tr>\n<tr>\n<td>1 1\/2\"<\/td>\n<td>15,8 (rosca), 20,4 (brida)<\/td>\n<\/tr>\n<tr>\n<td>2\"<\/td>\n<td>26 (rosca), 31,2 (brida)<\/td>\n<\/tr>\n<tr>\n<td>2 1\/2\"<\/td>\n<td>62,4 (brida)<\/td>\n<\/tr>\n<tr>\n<td>3\"<\/td>\n<td>74,6 (brida)<\/td>\n<\/tr>\n<tr>\n<td>4\"<\/td>\n<td>112,2 (brida)<\/td>\n<\/tr>\n<tr>\n<td>5\"<\/td>\n<td>132 (brida)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>makings<\/h3>\n<table>\n<thead>\n<tr>\n<th>n\u00famero de serie<\/th>\n<th>car\u00e1cter radical<\/th>\n<th>makings<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>cuerpo de la v\u00e1lvula<\/td>\n<td>Fundici\u00f3n d\u00factil QT400 - 18<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>cap\u00f3s<\/td>\n<td>Fundici\u00f3n d\u00factil QT400 - 18<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Pernos del cap\u00f3<\/td>\n<td>Acero SAEJ429 Grs<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>carrete principal<\/td>\n<td>Acero inoxidable AISI 420<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Asiento v\u00e1lvula principal (1\/2\" - 2\")<\/td>\n<td>Acero inoxidable AISI 420<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Asiento v\u00e1lvula principal (2 1\/2\" - 5\")<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Junta del asiento principal<\/td>\n<td>cobre (qu\u00edmica)<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Muelle de retorno de v\u00e1lvula<\/td>\n<td>Acero inoxidable AISI 302<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>filtro<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>taqu\u00e9<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>Manguito de v\u00e1stago (1\/2\" - 2\")<\/td>\n<td>lat\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>Manguito de v\u00e1stago (2 1\/2\" - 5\")<\/td>\n<td>acero (qu\u00edmica)<\/td>\n<\/tr>\n<tr>\n<td>11<\/td>\n<td>Junta del bonete<\/td>\n<td>Sin amianto<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>Gu\u00eda de primavera<\/td>\n<td>Acero SAEJ995<\/td>\n<\/tr>\n<tr>\n<td>13<\/td>\n<td>Tuercas (1\/2\" - 2\")<\/td>\n<td>lat\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>13<\/td>\n<td>Tuercas (2 1\/2\" - 5\")<\/td>\n<td>acero (qu\u00edmica)<\/td>\n<\/tr>\n<tr>\n<td>14<\/td>\n<td>Tubo de equilibrio de presi\u00f3n<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>techo diafragma<\/td>\n<td>Fundici\u00f3n d\u00factil QT400 - 18<\/td>\n<\/tr>\n<tr>\n<td>16<\/td>\n<td>Casquillos de v\u00e1stago de v\u00e1lvula<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>17<\/td>\n<td>Tapa inferior del diafragma (1\/2\" - 2\")<\/td>\n<td>lat\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>17<\/td>\n<td>Tapa inferior del diafragma (2 1\/2\" - 5\")<\/td>\n<td>hierro de fundici\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>18<\/td>\n<td>Gu\u00eda de barra superior (1\/2\" - 2\")<\/td>\n<td>lat\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>18<\/td>\n<td>Gu\u00eda de barra superior (2 1\/2\" - 5\")<\/td>\n<td>aceros inoxidables<\/td>\n<\/tr>\n<tr>\n<td>19<\/td>\n<td>disco de diafragma<\/td>\n<td>Fundici\u00f3n d\u00factil QT400 - 18<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>Barra superior del disco de diafragma<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>21<\/td>\n<td>Tuercas (2 1\/2\" - 5\")<\/td>\n<td>acero (qu\u00edmica)<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>Membrana principal (1\/2\" - 3\")<\/td>\n<td>bronce de f\u00f3sforo<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>Diafragma principal (4\" - 5\")<\/td>\n<td>aceros inoxidables<\/td>\n<\/tr>\n<tr>\n<td>23<\/td>\n<td>casquillo<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>24<\/td>\n<td>Taladros y orificios de amortiguaci\u00f3n<\/td>\n<td>12L14<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>equipo de adquisici\u00f3n<\/td>\n<td>Acero inoxidable ASTM B280<\/td>\n<\/tr>\n<tr>\n<td>26<\/td>\n<td>enchufe<\/td>\n<td>Acero 12L14<\/td>\n<\/tr>\n<tr>\n<td>27<\/td>\n<td>perno de fijaci\u00f3n<\/td>\n<td>Acero SAE1060<\/td>\n<\/tr>\n<tr>\n<td>28<\/td>\n<td>Tornillo de ajuste (1\/2\" - 2\")<\/td>\n<td>lat\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>28<\/td>\n<td>Tornillo de ajuste (2 1\/2\" - 5\")<\/td>\n<td>aceros inoxidables<\/td>\n<\/tr>\n<tr>\n<td>43<\/td>\n<td>Muelle de la v\u00e1lvula piloto<\/td>\n<td>Cobre sin amianto<\/td>\n<\/tr>\n<tr>\n<td>44<\/td>\n<td>contratuerca<\/td>\n<td>acero (qu\u00edmica)<\/td>\n<\/tr>\n<tr>\n<td>45<\/td>\n<td>esparcir basura en un establo, una pocilga, etc.<\/td>\n<td>Acero inoxidable AISI 304<\/td>\n<\/tr>\n<tr>\n<td>46<\/td>\n<td>techo diafragma<\/td>\n<td>Fundici\u00f3n d\u00factil QT400 - 18<\/td>\n<\/tr>\n<tr>\n<td>47<\/td>\n<td>placa con muelle<\/td>\n<td>Acero inoxidable ASTM B283<\/td>\n<\/tr>\n<tr>\n<td>48<\/td>\n<td>Tapa inferior del diafragma<\/td>\n<td>Lat\u00f3n SAE1010<\/td>\n<\/tr>\n<tr>\n<td>49<\/td>\n<td>Muelle de la v\u00e1lvula piloto<\/td>\n<td>Acero SAE1010<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>placa de diafragma<\/td>\n<td>Fundici\u00f3n d\u00factil QT400 - 18<\/td>\n<\/tr>\n<tr>\n<td>51<\/td>\n<td>distante (socialmente distante)<\/td>\n<td>Bronce fosforado AISI 302<\/td>\n<\/tr>\n<tr>\n<td>60<\/td>\n<td>Junta de la v\u00e1lvula piloto<\/td>\n<td>Grafito\/amianto AISI 302<\/td>\n<\/tr>\n<tr>\n<td>61<\/td>\n<td>Tuerca de montaje de la v\u00e1lvula piloto<\/td>\n<td>Acero SAE J 429 Grs<\/td>\n<\/tr>\n<tr>\n<td>62<\/td>\n<td>Diafragma C\u00e1mara Tuerca<\/td>\n<td>Acero\/1 - 18x1\" SAE J429 Grs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>montaje<\/h3>\n<p>Las v\u00e1lvulas reductoras de presi\u00f3n deben instalarse en tuber\u00edas horizontales con v\u00e1lvulas de derivaci\u00f3n y cierre, con un sif\u00f3n y un colador aguas arriba de la v\u00e1lvula y un tramo recto de al menos 10 veces el di\u00e1metro de la tuber\u00eda antes y despu\u00e9s de la tuber\u00eda de detecci\u00f3n de presi\u00f3n aguas abajo.<\/p>\n<h3>caudal<\/h3>\n<table>\n<thead>\n<tr>\n<th>calibre<\/th>\n<th>Valor Cv<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\/2\"<\/td>\n<td>3.4<\/td>\n<\/tr>\n<tr>\n<td>3\/4\"<\/td>\n<td>6.5<\/td>\n<\/tr>\n<tr>\n<td>1\"<\/td>\n<td>10.5<\/td>\n<\/tr>\n<tr>\n<td>1 1\/4\"<\/td>\n<td>14<\/td>\n<\/tr>\n<tr>\n<td>1 1\/2\"<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>2\"<\/td>\n<td>35<\/td>\n<\/tr>\n<tr>\n<td>2 1\/2\"<\/td>\n<td>56<\/td>\n<\/tr>\n<tr>\n<td>3\"<\/td>\n<td>74<\/td>\n<\/tr>\n<tr>\n<td>4\"<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>5\"<\/td>\n<td>123<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>aplicaci\u00f3n t\u00edpica<\/h3>\n<p>El 25P es preciso y fiable, ya que reduce los vapores de alta presi\u00f3n hasta el rango de trabajo efectivo del equipo y evita que se produzcan da\u00f1os en el mismo.<\/p>\n<p><!-- \u6280\u672f\u8d44\u6599\u4e0b\u8f7d\u533a\u5757 --><\/p>\n<div class=\"valve-documents\">\n<h3 class=\"doc-title\">Descarga de datos t\u00e9cnicos<\/h3>\n<div class=\"doc-links\">\n<a href=\"https:\/\/doc.shopvalves.com\/25P-IM-P031-01-ZH.pdf\" class=\"doc-link\" target=\"_blank\">25P-IM-P031-01-ZH.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/25P-TI-D315-01.pdf\" class=\"doc-link\" target=\"_blank\">25P-TI-D315-01.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/25P-TI-P235-05-US.pdf\" class=\"doc-link\" target=\"_blank\">25p-ti-p235-05-us.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/25P-TIS 3030-ZH.pdf\" class=\"doc-link\" target=\"_blank\">25P-TIS 3030-ZH.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/25P\u5907\u4ef62\u5206\u4e4b1-2\u82f1\u5bf8.pdf\" class=\"doc-link\" target=\"_blank\">25P Recambios 1 de 2 - 2 pulgadas.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/25P\u5907\u4ef62\u53c82\u5206\u4e4b1-5\u82f1\u5bf8.pdf\" class=\"doc-link\" target=\"_blank\">25P Recambios 2 y 1\/2 - 5 pulgadas.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/Sizing_Selection_25P_25PE_25PA_26P_26PE_26PA-TI-P717-08-US.pdf\" class=\"doc-link\" target=\"_blank\">Sizing_Selection_25P_25PE_25PA_26P_26PE_26PA-TI-P717-08-US.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/Spare_parts_25_and_26_series_main_valves-TI-P717-09-US.pdf\" class=\"doc-link\" target=\"_blank\">Spare_parts_25_and_26_series_main_valves-TI-P717-09-US.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/TI-P031-01 CN-Chinese.pdf\" class=\"doc-link\" target=\"_blank\">TI-P031-01 CN-Chino.pdf<\/a>    <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Las v\u00e1lvulas reductoras de presi\u00f3n accionadas por piloto Spirax Sarco 25P de \u00bd\" - 5\" son v\u00e1lvulas reductoras de presi\u00f3n accionadas por piloto de acci\u00f3n autom\u00e1tica. Detecci\u00f3n a trav\u00e9s de un tubo sensor de presi\u00f3n externo...<\/p>","protected":false},"featured_media":4775,"template":"","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[24],"product_cat":[103,50],"product_tag":[58,59,65],"class_list":{"0":"post-3067","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-spirax-sarco","7":"product_cat-pressure-reducing-and-surplussing-valves","8":"product_cat-control-systems","9":"product_tag-spiraxsarco-pressure-reducing-valves","10":"product_tag-spiraxsarco-steam-pressure-reducing-valves","11":"product_tag-spiraxsarco-valves","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-variable","18":"entry","19":"content-bg","20":"loop-entry"},"_links":{"self":[{"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product\/3067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/media\/4775"}],"wp:attachment":[{"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/media?parent=3067"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product_brand?post=3067"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product_cat?post=3067"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product_tag?post=3067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}