{"id":2575,"date":"2025-03-04T19:26:58","date_gmt":"2025-03-04T11:26:58","guid":{"rendered":"http:\/\/120.55.194.30\/product\/spirax-sarco-brv71-brv73-sg-iron-pressure-reducing-valves\/"},"modified":"2026-03-24T11:50:25","modified_gmt":"2026-03-24T03:50:25","slug":"spirax-sarco-brv71-brv73-sg-iron-pressure-reducing-valves","status":"publish","type":"product","link":"https:\/\/www.shopvalves.com\/es\/producto\/spirax-sarco-brv71-brv73-sg-iron-pressure-reducing-valves\/","title":{"rendered":"V\u00e1lvula reductora de presi\u00f3n Spirax Sarco BRV71 V\u00e1lvula reductora de presi\u00f3n de acci\u00f3n directa de hierro d\u00factil roscada (perno de alambre)"},"content":{"rendered":"<p>Las v\u00e1lvulas reductoras de presi\u00f3n de acci\u00f3n directa de hierro d\u00factil Spirax Sarco BRV71 y BRV73, la primera con conexi\u00f3n roscada y la segunda con conexi\u00f3n embridada, se utilizan para sistemas de vapor. Est\u00e1n disponibles en tres rangos de presi\u00f3n aguas abajo, dependiendo del color de la placa de identificaci\u00f3n (13). Est\u00e1n disponibles en una amplia gama de tama\u00f1os y tuber\u00edas, con sus correspondientes l\u00edmites de presi\u00f3n\/temperatura. Los componentes est\u00e1n fabricados en diversos materiales y se suministran con m\u00e9todos de selecci\u00f3n de vapor saturado y aire comprimido, valores Kv, informaci\u00f3n sobre pesos, gu\u00edas de instalaci\u00f3n y mantenimiento de seguridad, instrucciones de pedido e informaci\u00f3n sobre piezas de repuesto.<\/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\">1\" BRV71 GRIS<\/td>\n<td style=\"text-align:left\">2103000<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1\" BRV71 VERDE<\/td>\n<td style=\"text-align:left\">2103100<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1\" BRV71 ORG<\/td>\n<td style=\"text-align:left\">2103200<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1 1\/4\" BRV71 GRIS<\/td>\n<td style=\"text-align:left\">2103300<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1 1\/4\" BRV71 VERDE<\/td>\n<td style=\"text-align:left\">2103400<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1 1\/4\" BRV71 ORG<\/td>\n<td style=\"text-align:left\">2103500<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1 1\/2\" BRV71 GRIS<\/td>\n<td style=\"text-align:left\">2103600<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1 1\/2\" BRV71 VERDE<\/td>\n<td style=\"text-align:left\">2103700<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">1 1\/2\" BRV71 ORG<\/td>\n<td style=\"text-align:left\">2103800<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">2\" BRV71 GRIS<\/td>\n<td style=\"text-align:left\">2103900<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">2\" BRV71 VERDE<\/td>\n<td style=\"text-align:left\">2104000<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">2\" BRV71 ORG<\/td>\n<td style=\"text-align:left\">2104100<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN25 BRV73 GRIS<\/td>\n<td style=\"text-align:left\">2103093<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN25 BRV73 VERDE<\/td>\n<td style=\"text-align:left\">2103193<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN25 BRV73 ORG<\/td>\n<td style=\"text-align:left\">2103293<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN32 BRV73 GRIS<\/td>\n<td style=\"text-align:left\">2103393<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN32 BRV73 VERDE<\/td>\n<td style=\"text-align:left\">2103493<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN32 BRV73 ORG<\/td>\n<td style=\"text-align:left\">2103593<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN40 BRV73 GRIS<\/td>\n<td style=\"text-align:left\">2103693<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN40 BRV73 VERDE<\/td>\n<td style=\"text-align:left\">2103793<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN40 BRV73 ORG<\/td>\n<td style=\"text-align:left\">2103893<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN50 BRV73 GRIS<\/td>\n<td style=\"text-align:left\">2103993<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN50 BRV73 VERDE<\/td>\n<td style=\"text-align:left\">2104093<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">DN50 BRV73 ORG<\/td>\n<td style=\"text-align:left\">2104193<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Rango de presi\u00f3n aguas abajo<\/h3>\n<table>\n<thead>\n<tr>\n<th>color<\/th>\n<th>Rango de presi\u00f3n de control aguas abajo<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>pesimista<\/td>\n<td>0,14 - 1,7 bar g<\/td>\n<\/tr>\n<tr>\n<td>m\u00e1s verde<\/td>\n<td>1,40 - 4,0 bar g<\/td>\n<\/tr>\n<tr>\n<td>naranja (color)<\/td>\n<td>3,50 - 9,0 bar g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>tenga en cuenta<\/strong>: Cuando los rangos de presi\u00f3n se solapan, el control con un muelle de rango inferior es m\u00e1s eficaz.<\/p>\n<h3>Calibre y conexiones de tuber\u00edas<\/h3>\n<ul>\n<li>Conexi\u00f3n de brida DN25, 32, 40 y 50 PN16, JIS10, ANSI 150.<\/li>\n<li>Roscas de 1\", 1\u00bc\", 1\u00bd\" y 2\" para BSP y NPT.<\/li>\n<\/ul>\n<h3>L\u00edmites de presi\u00f3n\/temperatura<\/h3>\n<table>\n<thead>\n<tr>\n<th>Condiciones de dise\u00f1o del cuerpo de la v\u00e1lvula<\/th>\n<th>PN16<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Presi\u00f3n m\u00e1xima admisible de PMA<\/td>\n<td>16 bar g @ 120 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>TMA Temperatura m\u00e1xima admisible<\/td>\n<td>184 \u00b0C @ 10 bar g<\/td>\n<\/tr>\n<tr>\n<td>Temperatura m\u00ednima admisible<\/td>\n<td>-10 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Presi\u00f3n m\u00e1xima de servicio a vapor saturado PMO<\/td>\n<td>10 bar g<\/td>\n<\/tr>\n<tr>\n<td>TMO Temperatura m\u00e1xima de funcionamiento<\/td>\n<td>184 \u00b0C @ 10 bar g<\/td>\n<\/tr>\n<tr>\n<td>Temperatura m\u00ednima de funcionamiento (Nota: por debajo de esta temperatura, consulte a Spirax Sarco)<\/td>\n<td>0 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>M\u00e1xima presi\u00f3n de ajuste aguas abajo<\/td>\n<td>9 bar g<\/td>\n<\/tr>\n<tr>\n<td>PMX Presi\u00f3n diferencial m\u00e1xima de trabajo<\/td>\n<td>10 bar<\/td>\n<\/tr>\n<tr>\n<td>Relaci\u00f3n de reducci\u00f3n de presi\u00f3n m\u00e1xima recomendada (con caudal m\u00e1ximo)<\/td>\n<td>10 : 1<\/td>\n<\/tr>\n<tr>\n<td>Presi\u00f3n m\u00e1xima de dise\u00f1o de la prueba hidr\u00e1ulica en fr\u00edo<\/td>\n<td>24 bar g<\/td>\n<\/tr>\n<tr>\n<td>NOTA: Una vez instalados los componentes internos, no se permite que las presiones de prueba superen<\/td>\n<td>16 bar g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>material (del que est\u00e1 hecho algo)<\/h3>\n<table>\n<thead>\n<tr>\n<th>n\u00famero de serie<\/th>\n<th>car\u00e1cter radical<\/th>\n<th>material (del que est\u00e1 hecho algo)<\/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 DIN 1693 GGG 40.3 Revestimiento ELNP<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Muelle regulador de presi\u00f3n<\/td>\n<td>Aleaci\u00f3n de Silicio y Cromo BS 2803 685 A55<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>tornillo de ajuste<\/td>\n<td>Acero al carbono BS 970 230 M07<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>arandela plana<\/td>\n<td>Acero inoxidable Gr.18\/10\/3-4A<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>manija de ajuste<\/td>\n<td>Nylon 10B 140<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>espiga<\/td>\n<td>Acero inoxidable AISI 420<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>placa con muelle<\/td>\n<td>Fundici\u00f3n DIN 1691 GG 20<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>c\u00e1mara de muelles<\/td>\n<td>Aluminio con revestimiento 2ELNP<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>arandela superior<\/td>\n<td>Grafito estratificado semirr\u00edgido<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>lavadora<\/td>\n<td>Grafito estratificado semirr\u00edgido<\/td>\n<\/tr>\n<tr>\n<td>11<\/td>\n<td>Juego de fuelles<\/td>\n<td>Acero inoxidable 316L<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>Conjuntos de fuelle\/actuador<\/td>\n<td>Acero inoxidable 15% relleno de grafito 316L<\/td>\n<\/tr>\n<tr>\n<td>13<\/td>\n<td>se\u00f1alizaci\u00f3n<\/td>\n<td>polietileno<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>pasador de bloqueo<\/td>\n<td>lat\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>16<\/td>\n<td>Carrete (incluida la junta 27)<\/td>\n<td>Acero inoxidable BS 970 431 S29<\/td>\n<\/tr>\n<tr>\n<td>17<\/td>\n<td>filtro<\/td>\n<td>Acero inoxidable 316L<\/td>\n<\/tr>\n<tr>\n<td>18<\/td>\n<td>down putter (golf)<\/td>\n<td>Acero inoxidable BS 970 431 S29<\/td>\n<\/tr>\n<tr>\n<td>19<\/td>\n<td>tapa inferior<\/td>\n<td>Fundici\u00f3n d\u00factil DIN 1693 GGG 40.3 Revestimiento ELNP<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>perno (componente macho de la tuerca y el tornillo)<\/td>\n<td>Acero galvanizado BS 3692 Gr. 8.8<\/td>\n<\/tr>\n<tr>\n<td>21<\/td>\n<td>perno (componente macho de la tuerca y el tornillo)<\/td>\n<td>Acero galvanizado BS 3692 Gr. 8.8<\/td>\n<\/tr>\n<tr>\n<td>22<\/td>\n<td>esparcir basura en un establo, una pocilga, etc.<\/td>\n<td>Acero inoxidable BS 1449 304 515<\/td>\n<\/tr>\n<tr>\n<td>23<\/td>\n<td>Bujes gu\u00eda<\/td>\n<td>PTFE15% Relleno de grafito<\/td>\n<\/tr>\n<tr>\n<td>24<\/td>\n<td>Resorte de respuesta<\/td>\n<td>Acero inoxidable BS 2056 316 S42<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>Arandelas de PTFE<\/td>\n<td>PTFE puro BS 6564 Tipo 2 Gr. B<\/td>\n<\/tr>\n<tr>\n<td>26<\/td>\n<td>Junta en forma de \"O<\/td>\n<td>EPDM E 0962-90<\/td>\n<\/tr>\n<tr>\n<td>27<\/td>\n<td>Junta t\u00f3rica del carrete<\/td>\n<td>EDPM E 0962-90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Valor Kv<\/h3>\n<table>\n<thead>\n<tr>\n<th>1\" - DN25<\/th>\n<th>1\u00bc\"- DN32<\/th>\n<th>1\u00bd\"- DN40<\/th>\n<th>2\" - DN50<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>9.3<\/td>\n<td>11.1<\/td>\n<td>15.7<\/td>\n<td>16.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>F\u00f3rmula de conversi\u00f3n: Cvv (UK) = Kv x 0,963; Cv (US) = Kv x 1,156<\/p>\n<h3>Peso (aproximado)<\/h3>\n<table>\n<thead>\n<tr>\n<th>calibre<\/th>\n<th>Rosca (kg)<\/th>\n<th>Brida (kg)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DN25 - 1<\/td>\n<td>4.40<\/td>\n<td>5.90<\/td>\n<\/tr>\n<tr>\n<td>DN32 - 1\u00bc\"<\/td>\n<td>4.20<\/td>\n<td>7.65<\/td>\n<\/tr>\n<tr>\n<td>DN40 - 1\u00bd<\/td>\n<td>4.95<\/td>\n<td>8.55<\/td>\n<\/tr>\n<tr>\n<td>DN50 - 2<\/td>\n<td>4.75<\/td>\n<td>9.40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>clasificador de sumas de dinero<\/strong>: Contrapesos embridados para modelos BRV73 PN16<\/p>\n<h3>Informaci\u00f3n sobre seguridad, instalaci\u00f3n y mantenimiento<\/h3>\n<p>Encontrar\u00e1 informaci\u00f3n detallada en la Gu\u00eda de instalaci\u00f3n y mantenimiento (IM-P045-10) suministrada con el producto.<br \/>\nInstrucciones de instalaci\u00f3n: Instale la v\u00e1lvula reductora de presi\u00f3n en tuber\u00edas horizontales seg\u00fan el sentido de flujo de la flecha del cuerpo de la v\u00e1lvula.<\/p>\n<h3>Instrucciones de pedido<\/h3>\n<p>Ejemplo: 1 - V\u00e1lvula reductora de presi\u00f3n Spirax Sarco BRV71, fuelle de acero inoxidable, equipada con muelle naranja de 1\" (3,5 - 9,0 bar g).<\/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\/BRV71_BRV73-TI-P210-01-EN.pdf\" class=\"doc-link\" target=\"_blank\">brv71_brv73-ti-p210-01-en.pdf<\/a><br \/><a href=\"https:\/\/doc.shopvalves.com\/TI-P210-01-Chinese.pdf\" class=\"doc-link\" target=\"_blank\">TI-P210-01-Chinese.pdf<\/a>    <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>V\u00e1lvulas reductoras de presi\u00f3n de acci\u00f3n directa de hierro d\u00factil Spirax Sarco BRV71 y BRV73, la primera con conexiones roscadas y la segunda con bridas....<\/p>","protected":false},"featured_media":5392,"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-2575","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":"sale","16":"shipping-taxable","17":"purchasable","18":"product-type-variable","19":"entry","20":"content-bg","21":"loop-entry"},"_links":{"self":[{"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product\/2575","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\/5392"}],"wp:attachment":[{"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/media?parent=2575"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product_brand?post=2575"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product_cat?post=2575"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shopvalves.com\/es\/wp-json\/wp\/v2\/product_tag?post=2575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}