Combines the full nozzle construction of the Type 1900 main valve design with the extremely versatile pilot valve options from the 3900 MPV design Typically provided with a metal-to-metal seat Ability to directly replace spring-loaded valves in either new or existing applications Inlet Sizes: 1" through 12" O more...
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. more...
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 reseat 7 to 8% below set pressure. Modulating: At set pressure more...
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