{"product_id":"r255-humphrey-diaphragm-poppet-piloted-check-valves","title":"R255: Humphrey Diaphragm Poppet Piloted Check Valves","description":"\u003cp\u003eR255: Humphrey Diaphragm Poppet Piloted Check Valves\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cdiv class=\"cds-product-details\"\u003e\n\u003cp\u003eThe Humphrey R255 1\/8 pipe, check valve includes an air pilot override. A Pilot Operated Check Valve, the R255 functions as a check valve until an air pilot signal overrides the check function, allowing full flow in either direction. Valve returns to normal checking function once the air pilot signal is removed. Order mounting base or panel mounting nuts separately.\u003c\/p\u003e\n\u003cdiv class=\"cds-product-details-left\"\u003e\n\u003ctable id=\"cds-product-attribute-table\" class=\"cds-product-details-container cds-attribute-table\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-desc\" class=\"label\"\u003eDescription\u003c\/td\u003e\n\u003ctd id=\"cds-av-desc\"\u003eCheck Valve, w\/Pilot Override\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-media\" class=\"label\"\u003eMedia\u003c\/td\u003e\n\u003ctd id=\"cds-av-media\"\u003eAir, Inert Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-valve_function\" class=\"label\"\u003eValve Function\u003c\/td\u003e\n\u003ctd id=\"cds-av-valve_function\"\u003eCheck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-piping_type\" class=\"label\"\u003ePiping Type\u003c\/td\u003e\n\u003ctd id=\"cds-av-piping_type\"\u003eInline, Direct Piping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-part_port_size\" class=\"label\"\u003ePort Size\u003c\/td\u003e\n\u003ctd id=\"cds-av-part_port_size\"\u003e1\/8 NPSF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-number_of_ports\" class=\"label\"\u003eNumber of Ports\u003c\/td\u003e\n\u003ctd id=\"cds-av-number_of_ports\"\u003e3 ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-number_of_positions\" class=\"label\"\u003eNumber of Positions\u003c\/td\u003e\n\u003ctd id=\"cds-av-number_of_positions\"\u003e2 positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-size_in_hwd\" class=\"label\"\u003eSize (in) HxWxD\u003c\/td\u003e\n\u003ctd id=\"cds-av-size_in_hwd\"\u003e2 x 1.19 DIA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-options_included\" class=\"label\"\u003eOptions Included\u003c\/td\u003e\n\u003ctd id=\"cds-av-options_included\"\u003eWith air pilot override\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-flow_coefficient_cv_1\" class=\"label\"\u003eFlow Coefficient (Cv)\u003c\/td\u003e\n\u003ctd id=\"cds-av-flow_coefficient_cv_1\"\u003e0.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-pressure_range_psi\" class=\"label\"\u003ePressure Range (psi)\u003c\/td\u003e\n\u003ctd id=\"cds-av-pressure_range_psi\"\u003e0.5-125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-rec_pilot_pressure_at_valve_pressure\" class=\"label\"\u003eAt Valved Pressure of:\u003cbr\u003eRecommended Pilot Pressure (psi):\u003c\/td\u003e\n\u003ctd id=\"cds-av-rec_pilot_pressure_at_valve_pressure\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u0026lt;=30 PSI\u003c\/td\u003e\n\u003ctd\u003e60 PSI\u003c\/td\u003e\n\u003ctd\u003e90 PSI\u003c\/td\u003e\n\u003ctd\u003e120 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-ambient_temperature_range_f\" class=\"label\"\u003eAmbient Temperature Range (⁰F)\u003c\/td\u003e\n\u003ctd id=\"cds-av-ambient_temperature_range_f\"\u003e0-225\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-odd\"\u003e\n\u003ctd id=\"cds-wetted_materials\" class=\"label\"\u003eWetted Materials\u003c\/td\u003e\n\u003ctd id=\"cds-av-wetted_materials\"\u003eZinc Plated Steel, Brass, Buna N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cds-even\"\u003e\n\u003ctd id=\"cds-weight_oz\" class=\"label\"\u003eWeight (oz)\u003c\/td\u003e\n\u003ctd id=\"cds-av-weight_oz\"\u003e5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HUMPHREY","offers":[{"title":"Default Title","offer_id":44513868808392,"sku":"R255","price":155.57,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/7857\/4280\/files\/humphrey-r255-humphrey-diaphragm-poppet-piloted-check-valves-1144777048.jpg?v=1741313141","url":"https:\/\/pneumaticspro.ca\/products\/r255-humphrey-diaphragm-poppet-piloted-check-valves","provider":"Pneumatics-pro Inc.","version":"1.0","type":"link"}