{"id":2227,"date":"2021-12-28T10:06:16","date_gmt":"2021-12-28T10:06:16","guid":{"rendered":"https:\/\/zecovalve.com\/operation-of-the-spirax-sarco-25p-pressure-reducing-valve-zeco-valve-blog.html"},"modified":"2022-08-08T13:57:05","modified_gmt":"2022-08-08T13:57:05","slug":"operation-of-the-spirax-sarco-25p-pressure-reducing-valve-zeco-valve-blog","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/es\/operation-of-the-spirax-sarco-25p-pressure-reducing-valve-zeco-valve-blog.html","title":{"rendered":"V\u00e1lvula reductora de presi\u00f3n Spirax-Sarco 25P | V\u00e1lvula Zeco"},"content":{"rendered":"<p>Cougar USA es el representante de Spirax Sarco en el \u00e1rea de Houston. Spirax Sarco ofrece una amplia gama de productos de control de fluidos, paquetes de ingenier\u00eda, experiencia en sistemas de vapor y servicios de sitio para su diversa gama de m\u00e1s de 100.000 clientes industriales e institucionales. Ayudan a sus clientes a optimizar la capacidad de producci\u00f3n, reducir los costos de energ\u00eda y las emisiones, mejorar la calidad del producto y mejorar la seguridad de sus operaciones. Spirax Sarco tiene plantas de fabricaci\u00f3n ubicadas estrat\u00e9gicamente en todo el mundo, incluida una cerca de Houston en Pasadena, Texas.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfQu\u00e9 es una Spirax Sarco 25p?<\/h2>\n\n\n\n<p>Los reguladores Spirax Sarco Serie 25 son una familia vers\u00e1til de reguladores de presi\u00f3n autoactuantes con pilotos de control y v\u00e1lvulas principales intercambiables para la mayor\u00eda de las aplicaciones de vapor. Las opciones incluyen reducci\u00f3n de presi\u00f3n (25P), reducci\u00f3n de presi\u00f3n combinada con anulaci\u00f3n de encendido\/apagado el\u00e9ctrico (25PE), reducci\u00f3n de presi\u00f3n con piloto cargado de aire (25PA) y como regulador de contrapresi\u00f3n (25BP). Dise\u00f1ada pensando en el usuario, la Serie 25 ofrece versatilidad y simplicidad. Los resortes intercambiables codificados por colores permiten un cambio r\u00e1pido y f\u00e1cil del rango de presi\u00f3n aguas abajo, eliminando la necesidad de aislar la v\u00e1lvula o romper la l\u00ednea de vapor.<\/p>\n\n\n\n<p>Spirax Sarco <a href=\"https:\/\/zecovalve.com\/es\/water-pressure-reducing-valve-manufacturer-zeco-valve.html\/\" data-internallinksmanager029f6b8e52c=\"8\" title=\"V\u00e1lvula reductora de presi\u00f3n\" target=\"_blank\" rel=\"noopener\">V\u00e1lvula reductora de presi\u00f3n<\/a>, Operado por piloto, 3\/4 pulg. nominal, NPT, 250 psi, 450 grados F, Cuerpo de hierro fundido, Medio: Vapor<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Componentes del Spirax Sarco 25p<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Material del cuerpo<\/strong><strong><\/strong><\/td><td>Hierro fundido<\/td><\/tr><tr><td><strong>Estilo final<\/strong><strong><\/strong><\/td><td>TNP<\/td><\/tr><tr><td><strong>Fabricante<\/strong><strong><\/strong><\/td><td>Spirax-Sarco Inc<\/td><\/tr><tr><td><strong>Fabricante #<\/strong><strong><\/strong><\/td><td>55223<\/td><\/tr><tr><td><strong>Medios de comunicaci\u00f3n<\/strong><strong><\/strong><\/td><td>VAPOR<\/td><\/tr><tr><td><strong>Medida nominal<\/strong><strong><\/strong><\/td><td>3\/4 pulg.<\/td><\/tr><tr><td><strong>Presi\u00f3n nominal<\/strong><strong><\/strong><\/td><td>250 psi<\/td><\/tr><tr><td><strong>Clasificaci\u00f3n de temperatura<\/strong><strong><\/strong><\/td><td>450 grados F<\/td><\/tr><tr><td><strong>Tipo<\/strong><strong><\/strong><\/td><td>Operado por el piloto<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-operation-of-the-spirax-sarco-25p-pressure-reducing-valve\">Funcionamiento de la V\u00e1lvula Reductora de Presi\u00f3n Spirax-Sarco 25P<\/h2>\n\n\n\n<p>La v\u00e1lvula reductora operada por piloto Spirax-Sarco serie 25P se usa ampliamente en sistemas de vapor. Se puede lograr un control de presi\u00f3n preciso y estable independientemente de un cambio en la presi\u00f3n del vapor aguas arriba o de la fluctuaci\u00f3n de la carga aguas abajo.<\/p>\n\n\n\n<p>La v\u00e1lvula reductora operada por piloto Spirax-Sarco serie 25P es \u00fanica porque se pueden instalar o intercambiar una o varias v\u00e1lvulas piloto en la misma v\u00e1lvula. Adem\u00e1s de ser estable y reducir la presi\u00f3n, tambi\u00e9n puede controlar la temperatura, la presi\u00f3n aguas arriba o el interruptor remoto.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><b>Operaci\u00f3n<\/b><\/h3>\n\n\n\n<p>Las posiciones normales antes del arranque son con la v\u00e1lvula principal cerrada y la v\u00e1lvula piloto mantenida abierta por la fuerza del resorte o la presi\u00f3n del aire.<\/p>\n\n\n\n<p>El vapor que ingresa pasa a trav\u00e9s de la v\u00e1lvula piloto hacia la c\u00e1mara del diafragma principal y tambi\u00e9n sale a trav\u00e9s del orificio de control. A medida que el flujo a trav\u00e9s de la v\u00e1lvula piloto excede el flujo a trav\u00e9s del orificio, la presi\u00f3n de control aumenta en la c\u00e1mara del diafragma y abre la v\u00e1lvula principal. A medida que el vapor fluye a trav\u00e9s de la v\u00e1lvula principal, el aumento de la presi\u00f3n aguas abajo se retroalimenta a trav\u00e9s de la l\u00ednea de detecci\u00f3n de presi\u00f3n hacia la parte inferior del diafragma de presi\u00f3n.&nbsp;<\/p>\n\n\n\n<p>Cuando la fuerza debajo de ese diafragma equilibra la fuerza de compresi\u00f3n del resorte encima de \u00e9l, la v\u00e1lvula piloto acelera. La presi\u00f3n de control mantenida en la c\u00e1mara del diafragma principal posiciona la v\u00e1lvula principal para entregar suficiente vapor para la presi\u00f3n de entrega deseada. El ajuste del resorte o la presi\u00f3n del aire por encima del diafragma de presi\u00f3n cambia el punto de ajuste de presi\u00f3n aguas abajo.&nbsp;<\/p>\n\n\n\n<p>Cuando ya no se necesita vapor, la presi\u00f3n de la l\u00ednea de detecci\u00f3n aumenta cerrando el piloto de presi\u00f3n y la presi\u00f3n de control regresa a trav\u00e9s del orificio de control. Esto permite que la v\u00e1lvula principal mantenga la presi\u00f3n reducida deseada y puede cerrarse herm\u00e9ticamente para lograr un cierre sin salida.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ventajas de Spirax Sarco 25p<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>La combinaci\u00f3n de pilotos permite diferentes tipos de control en un regulador<\/li><li>Gu\u00eda de autofregado patentada para un servicio prolongado y sin problemas<\/li><li>Diafragma probado contra fatiga dise\u00f1ado sin pist\u00f3n para evitar el peligro de atascamiento<\/li><li>Partes internas de acero inoxidable para una excelente durabilidad y resistencia a la corrosi\u00f3n.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><b><strong>Instalaci\u00f3n t\u00edpica de<\/strong><\/b> Spirax Sarco 25p<\/h2>\n\n\n\n<p>El regulador debe instalarse en una l\u00ednea horizontal con v\u00e1lvulas de derivaci\u00f3n y de aislamiento adecuadas. Se debe instalar una trampa de vapor aguas arriba para evitar que el condensado llegue al regulador. Tanto la trampa como el regulador deben protegerse con un colador. La l\u00ednea de detecci\u00f3n de presi\u00f3n debe ubicarse en una secci\u00f3n recta de la tuber\u00eda aguas abajo al menos a 10 di\u00e1metros de tuber\u00eda del accesorio m\u00e1s cercano. Las instrucciones de instalaci\u00f3n completas se dan en IMI3.000<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mantenimiento de Spirax Sarco 25p<\/h2>\n\n\n\n<p>Las instrucciones completas de instalaci\u00f3n y mantenimiento se encuentran en el IMI 3.000, del cual se suministra una copia con cada regulador. Los repuestos disponibles se muestran en TIS 3.027 y 3.0271.<\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Etiquetas relacionadas :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/\">V\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/difference-between-gate-valves-and-ball-valves.html\/\">V\u00e1lvula de compuerta frente a v\u00e1lvula de bola<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/advantages-and-disadvantages-of-globe-valves.html\/\">\u00bfQu\u00e9 es una v\u00e1lvula de globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/gate-valve-problems.html\/\">Reparaci\u00f3n de v\u00e1lvulas de compuerta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/what-is-an-axial-flow-silent-check-valve.html\/\">Qu\u00e9 es una v\u00e1lvula antirretorno axial<\/a>\n\n<\/div>\n\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/producto\/manual-gate-valve\/\">v\u00e1lvula de compuerta de accionamiento manual Fabricantes<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/the-function-of-globe-valve-in-pipeline-system.html\/\">\u00bfQu\u00e9 son las v\u00e1lvulas de globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diferencia entre v\u00e1lvula de compuerta y v\u00e1lvula de mariposa<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">\u00bfQu\u00e9 es una v\u00e1lvula de compuerta?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/es\/tag\/shanghai-pressure-reducing-valve-factory\/\">F\u00e1brica de v\u00e1lvulas reductoras de presi\u00f3n de Shanghai<\/a>\n\n<\/div>\n\n\n\n<p>Diez art\u00edculos antes y despu\u00e9s<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/negative-rate-belleville-disc-spring-for-pressure-sensing-zeco-valve-blog.html\/\">Resorte de disco Belleville de tasa negativa para detecci\u00f3n de presi\u00f3n | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/guided-wave-radar-level-sensing-zeco-valve-blog.html\/\">Detecci\u00f3n de nivel por radar de onda guiada | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/the-operation-of-bimetallic-steam-traps-zeco-valve-blog.html\/\">El funcionamiento de las trampas de vapor bimet\u00e1licas | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/selecting-a-stainless-steel-globe-or-gate-valve-zeco-valve-blog.html\/\">Selecci\u00f3n de una v\u00e1lvula de compuerta o de globo de acero inoxidable | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/high-performance-butterfly-valves-for-on-off-and-throttling-service-zeco-valve-blog.html\/\">V\u00e1lvulas de mariposa de alto rendimiento para servicio de encendido\/apagado y regulaci\u00f3n | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/pressure-and-temperature-switches-glossary-important-terms-to-know-part-1-zeco-valve-blog.html\/\">Glosario de interruptores de presi\u00f3n y temperatura: t\u00e9rminos importantes que debe conocer, Parte 1 | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/pressure-and-temperature-switches-glossary-important-terms-to-know-part-2-zeco-valve-blog.html\/\">Glosario de interruptores de presi\u00f3n y temperatura: t\u00e9rminos importantes que debe conocer, Parte 2 | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/the-sliding-gate-control-valve-zeco-valve-blog.html\/\">La v\u00e1lvula de control de compuerta corrediza | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/happy-holidays-and-happy-new-year-from-zeco-valve-zeco-valve-blog.html\/\">Felices fiestas y pr\u00f3spero a\u00f1o nuevo de parte de Zeco Valve | Blog de v\u00e1lvulas Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/es\/heat-exchangers-for-liquid-gas-vaporization-zeco-valve-blog.html\/\">Intercambiadores de calor para vaporizaci\u00f3n l\u00edquido-gas | Blog de v\u00e1lvulas Zeco<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Cougar USA es el representante de Spirax Sarco en el \u00e1rea de Houston. Spirax Sarco ofrece una amplia gama de productos de control de fluidos, paquetes de ingenier\u00eda,\u2026 <a title=\"V\u00e1lvula reductora de presi\u00f3n Spirax-Sarco 25P | V\u00e1lvula Zeco\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/es\/operation-of-the-spirax-sarco-25p-pressure-reducing-valve-zeco-valve-blog.html\" aria-label=\"M\u00e1s en V\u00e1lvula Reductora de Presi\u00f3n Spirax-Sarco 25P | V\u00e1lvula Zeco\">Leer m\u00e1s<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2368],"tags":[2651,2369,2370,2372,2373,2371],"class_list":["post-2227","post","type-post","status-publish","format-standard","hentry","category-control-valve","tag-shanghai-pressure-reducing-valve-factory","tag-spirax-sarco-25p","tag-spirax-sarco-25p-pressure-reducing-valve","tag-spirax-sarco-pressure-reducing-valve","tag-spirax-sarco-prv","tag-spirax-sarco-valves","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":false,"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/es\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2368,"name":"Control Valve","slug":"control-valve","term_group":0,"term_taxonomy_id":2368,"taxonomy":"category","description":"","parent":0,"count":12,"filter":"raw","cat_ID":2368,"category_count":12,"category_description":"","cat_name":"Control Valve","category_nicename":"control-valve","category_parent":0}],"tag_info":[{"term_id":2651,"name":"Shanghai Pressure Reducing Valve Factory","slug":"shanghai-pressure-reducing-valve-factory","term_group":0,"term_taxonomy_id":2651,"taxonomy":"post_tag","description":"<!-- wp:heading -->\r\n<h2 id=\"h-what-is-a-pressure-reducing-valve\">What is a Pressure Reducing Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Pressure Reducing Valve is a self-operating valve used to control excess pressure to give a constant reduced pressure to a system. The pressure reduction regulator is another name for this valve. The primary function of pressure-reducing valves is to convert increased incoming pressure into lower outgoing pressure. They are widely utilized in the water, steam, and oil and gas sectors. So, Pressure Reducing Valve manufacturers define the valve as a self-acting automated control valve that reduces a greater uncontrolled intake pressure to a constant, lowered output pressure independent of upstream water pressure variations. We will learn about the working, different types, uses, and benefits of pressure-reducing valves in this article.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>How does a Pressure Reducing Valve work?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWhen it does this under both flow and no-flow conditions, the type of control is known as \u2018drop tight\u2019. ZECO pressure reducing valves use a balanced spring and diaphragm to control the downstream pressure. This \u2018drop tight\u2019 feature is one of the most important criteria for any pressure reducing valves, as this stops the pressure from \u2018creeping\u2019 \u2013 a term which is used when an increase in the downstream pressure occurs under no flow conditions. A valve which will allow this \u2018creep\u2019 cannot be known as \u2018drop tight\u2019 or in fact a true pressure reducing valve, as it will eventually allow the pressure to creep up to equal the upstream pressure, which can cause significant problems and essentially negates the point of using a pressure reducing valve in the first place.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe diaphragm effectively separates all of the water contact parts and the pressure from the water supply away from the control spring and associated mechanism. The body is then protected from debris by the use of a stainless-steel strainer.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nUnder no flow conditions the downstream pressure puts back-pressure on the seat and diaphragm of the valve, which in turn overcomes the spring pressure. This means the seat moves up, forcing it to seal against the diaphragm, therefore not allowing the downstream pressure to increase.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nUnder flow conditions the back pressure against the seat is reduced thus allowing the seat to open and water to flow through the valve.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Advantages of Pressure Reducing Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Direct acting pressure reducing valve is suitable for general liquids and gases.<\/li>\r\n \t<li>WRAS &amp; ACS Certifications for Drinking Water and Beverage application.<\/li>\r\n \t<li>Suitable for process automation control and many general purpose applications.<\/li>\r\n \t<li>Convenient in-style mounts either horizontally or vertically.<\/li>\r\n \t<li>Wide range capacity to handle local water supply pressure and adjust to specific pump specifications.<\/li>\r\n \t<li>Adjusting nut allows easy calibrated pressure adjustment.<\/li>\r\n \t<li>Stainless Steel 316 lower body and upper body construction for durability and compatibility.<\/li>\r\n \t<li>The balanced piston design provides a constant outlet pressure even when the inlet pressure is unstable. The supplied pressure gauge indicates the outlet pressure.<\/li>\r\n \t<li>Easy maintenance, maintenance kits are available upon request.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nZECO Valve is the most professional Shanghai Pressure Reducing Valve Factory since 1991. If any inquiry, please contact ZECO.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":4,"filter":"raw"},{"term_id":2369,"name":"spirax sarco 25p","slug":"spirax-sarco-25p","term_group":0,"term_taxonomy_id":2369,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2370,"name":"spirax sarco 25p pressure reducing valve","slug":"spirax-sarco-25p-pressure-reducing-valve","term_group":0,"term_taxonomy_id":2370,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2372,"name":"spirax sarco pressure reducing valve","slug":"spirax-sarco-pressure-reducing-valve","term_group":0,"term_taxonomy_id":2372,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2373,"name":"Spirax Sarco PRV","slug":"spirax-sarco-prv","term_group":0,"term_taxonomy_id":2373,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_1cedd7-56\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-spirax-sarco-houston\">What is Spirax Sarco Houston?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCougar USA is the Spirax Sarco rep in the Houston area. Spirax Sarco provides a broad range of fluid-control products, engineered packages, steam systems expertise, and site services for its diverse range of over 100,000 industrial and institutional customers. They help their customers optimize production capacity, reduce energy costs and emissions, improve product quality and enhance the safety of their operations. Spirax Sarco has strategically located manufacturing plants around the world including one near Houston in Pasadena, Texas.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>What is Spirax Sarco PRV?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWell-designed steam systems produce clean, dry steam for delivery at high pressure \u2014 the best-quality steam at the lowest cost. Lower-pressure steam is usually needed at the point of use. Effective control demands an automatic valve that can reduce steam pressure accurately, reliably, and at a cost to suit the application. Like direct-acting pressure-reducing valves, these valves are self-powered. The pilot operation provides accurate control under large load-change conditions. Available in iron, cast steel, and stainless steel in sizes from 1\/2\u2033 to 8\u2033.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET SPIRAX SARCO PRV PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>How does the 25P Pilot Regulator Works?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Spirax Sarco pilot-operated pressure regulator works by balancing the downstream pressure against a control spring. This modulates a small valve head over a seat (the pilot). The flow through this seat is directed, in turn, to the main valve diaphragm, where it\r\nmodulates the main valve.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn order to achieve the most stable operating condition, an external pressure sensing line must be used. This allows downstream pressure to feedback to the underside of the pilot diaphragm, balancing the spring force, and causing the pilot valve to throttle. This settles the pilot valve, allowing a constant flow across the main diaphragm. This ensures that the main valve is also settled to give a stable downstream pressure.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWhen downstream pressure rises, the pilot valve closes, and pressure is released from the main valve diaphragm through the control orifice, to close the main valve. Any variations in load or pressure will immediately be sensed on the pilot diaphragm, which will act to adjust the position of the main valve, ensuring a constant downstream pressure.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>How do Direct Operated Regulators work?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nOn start-up, upstream pressure, aided by a return spring, holds the valve head against the seat in the closed position.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDownstream pressure is set by rotating the hand wheel in a clockwise direction which compresses the control spring and extends the bellows. This downward movement is transmitted via a push rod, which causes the main valve to open.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe steam then passes through the open valve into the downstream pipework and also surrounds the bellows.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAs downstream pressure increases, it acts through the bellows to counteract the spring force and closes the main valve when the set pressure is reached. The main valve modulates to give constant pressure.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":4,"filter":"raw"},{"term_id":2371,"name":"spirax sarco valves","slug":"spirax-sarco-valves","term_group":0,"term_taxonomy_id":2371,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2368,"label":"Control Valve"}],"post_tag":[{"value":2651,"label":"Shanghai Pressure Reducing Valve Factory"},{"value":2369,"label":"spirax sarco 25p"},{"value":2370,"label":"spirax sarco 25p pressure reducing valve"},{"value":2372,"label":"spirax sarco pressure reducing valve"},{"value":2373,"label":"Spirax Sarco PRV"},{"value":2371,"label":"spirax sarco valves"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spirax-Sarco 25P Pressure Reducing Valve - Zeco Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/es\/operation-of-the-spirax-sarco-25p-pressure-reducing-valve-zeco-valve-blog.html\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spirax-Sarco 25P Pressure Reducing Valve - Zeco Valve\" \/>\n<meta property=\"og:description\" content=\"Cougar USA is the Spirax Sarco rep in the Houston area. Spirax Sarco provides a broad range of fluid-control products, engineered packages, ... 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