{"id":6847,"date":"2024-09-26T14:05:46","date_gmt":"2024-09-26T14:05:46","guid":{"rendered":"https:\/\/gdsautomatisme.com\/?post_type=product&p=6847"},"modified":"2024-09-26T14:05:46","modified_gmt":"2024-09-26T14:05:46","slug":"hplk-pilot-operated-check-valves","status":"publish","type":"product","link":"https:\/\/gdsautomatisme.com\/fr\/produit\/hplk-pilot-operated-check-valves\/","title":{"rendered":"HPLK PILOT OPERATED CHECK VALVES"},"content":{"rendered":"

Flow is allowed to pass from V1 to C1 when pressure at V1 rises above the\u00a0spring bias pressure and the poppet is pushed from its seat. The valve is\u00a0normally closed (checked) from C1 to V1; when sufficient pilot pressure is\u00a0present at X port, the pilot piston acts to push the poppet from its seat and\u00a0flow is allowed from C1 to V1. Precision machining and hardening processes\u00a0allow virtually leak-free performance in the checked condition.<\/p>\n

Technical data<\/strong><\/p>\n

\n\n\n\n\n\n\n\n\n
Model<\/td>\nHPLK-1\/4-20<\/td>\nHPLK-3\/8-35<\/td>\nHPLK-1\/2-50<\/td>\nHPLK-3\/4-100<\/td>\nHPLK-1-150<\/td>\n<\/tr>\n
Max Flow rate\uff08L\/min\uff09<\/td>\n20<\/td>\n35<\/td>\n50<\/td>\n100<\/td>\n150<\/td>\n<\/tr>\n
Max operating pressure\uff08MPa\uff09<\/td>\n31.5<\/td>\n<\/tr>\n
Pilot ratio<\/td>\n4.7:1<\/td>\n4.4:1<\/td>\n4.6:1<\/td>\n3.8:1<\/td>\n3.2:1<\/td>\n<\/tr>\n
Valve body\uff08Material\uff09Surface treatment<\/td>\n\uff08Steel body\uff09Surface clear zinc plating<\/td>\n<\/tr>\n
Oil cleanliness<\/td>\nNAS1638 class 9 and ISO4406 class 20\/18\/15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"

\"35\"<\/a><\/p>\n

Flow is allowed to pass from V1 to C1 when pressure at V1 rises above the spring bias pressure and the poppet is pushed from its seat. The valve is normally closed (checked) from C1 to V1; when sufficient pilot pressure is present at X port, the pilot piston acts to push the poppet from its seat and flow is allowed from C1 to V1. Precision machining and hardening processes allow virtually leak-free performance in the checked condition.<\/p>","protected":false},"featured_media":6848,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[49,25,47],"product_tag":[],"class_list":{"0":"post-6847","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-directional-control-valves","7":"product_cat-hydraulics","8":"product_cat-mobile-hydraulic-valve","9":"desktop-align-center","10":"tablet-align-center","11":"mobile-align-center","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"yoast_head":"\nHPLK PILOT OPERATED CHECK VALVES - GDS automatisme<\/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:\/\/gdsautomatisme.com\/fr\/produit\/hplk-pilot-operated-check-valves\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HPLK PILOT OPERATED CHECK VALVES - GDS automatisme\" \/>\n<meta property=\"og:description\" content=\"Flow is allowed to pass from V1 to C1 when pressure at V1 rises above the spring bias pressure and the poppet is pushed from its seat. 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