{"id":11750,"date":"2026-08-02T11:03:55","date_gmt":"2026-08-02T11:03:55","guid":{"rendered":"https:\/\/siamask.co.th\/?post_type=product&#038;p=11750"},"modified":"2026-08-02T11:04:31","modified_gmt":"2026-08-02T11:04:31","slug":"pressure-relief-valves","status":"publish","type":"product","link":"https:\/\/siamask.co.th\/th\/product\/pressure-relief-valves\/","title":{"rendered":"Pressure Relief Valves"},"content":{"rendered":"<h1><strong>Pressure Relief Valves \u2014 RV Series<\/strong><\/h1>\n<p>Pressure relief valves limit the maximum working pressure of a hydraulic system to a pre-determined rating thus providing protection against the overloading of system components.<\/p>\n<p>Direct acting relief valves unload flow to tank when system pressure is enough to compress a spring which unseats a poppet. They provide high tolerance to contamination and are generally used for low flow rates where precise pressure control is not critical.<\/p>\n<ul>\n<li>Maximum Pressure: Up to 276 bar, 4000 psi<\/li>\n<li>Maximum Flow: Up to 70 L\/min, 18 US gpm<\/li>\n<li>Porting: 3\/4&#8243; BSPP<\/li>\n<li>Material: Body Materials: High Tensile Aluminium, Internal Materials: Steel, Cartridge: Steel<\/li>\n<li>Weight: 0.73 kg, 1.6 lb<\/li>\n<li>Mounting: One 8.7mm x 40mm, 0.343&#8243; x 1.575&#8243; Mounting Hole<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Pressure relief valves limit the maximum working pressure of a hydraulic system to a pre-determined rating thus providing protection against the overloading of system components.<\/p>","protected":false},"featured_media":11752,"comment_status":"open","ping_status":"closed","template":"","meta":{"content-type":""},"product_brand":[212],"product_cat":[],"product_tag":[],"class_list":["post-11750","product","type-product","status-publish","has-post-thumbnail","product_brand-webtech","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/product\/11750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/comments?post=11750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/media\/11752"}],"wp:attachment":[{"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/media?parent=11750"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/product_brand?post=11750"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/product_cat?post=11750"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/siamask.co.th\/th\/wp-json\/wp\/v2\/product_tag?post=11750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}