Offers high-capacity, extremely accurate control. Main valve features brass construction, BUNA-N diaphragm and seat disc, stainless steel spring. Pilot is brass with stainless steel spring, seat disc and seat ring; bronze diaphragms for air service or neoprene diaphragms for...
Snap Acting: At set pressure the valve snaps to full lift. The system pressure will relieve until the pre-set blowdown is achieved. Blowdown is the difference between set pressure and reseat pressure. Nominal blowdown is 7 to 8% so the valve will...
Our Valve Catalog and Price List are available on-line. Request a quote for the Pilot Operated Check Valves you need online today, or contact Polyconn for further information....
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