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Pvc body with molded noryl dome
PTFE/epdm diaphragm 304 stainless steel bolting fnpt threads anti-siphon function adjustment screw with slot pvc, cpvc and pvdf rated to 250
Spring: 10 – 150 psi (spring pre-set: 50 psi)
Feature: 304 stainless steel bolting
All thermoplastic diaphragm back pressure Valve for chemical feed systems, applies back pressure to a metering pump to prevent siphoning and eliminates varying dosage rates resulting from fluctuating downstream pressure. All valves are preset for 50 psi, but are field adjustable via the adjustment screw.