Morrison Bros. 158A Series 1 in. NPT Brass Vertical Check and Back Pressure Valve

Description

Single poppet one way check valve used to prevent backflow in supply lines or used as a prime holding valve in suction systems. NOTE: Opening pressure settings are approximate Details Soft seat 1 in. NPT threads Thermal expansion available (25 or 50 psi approximate) 1/2 to 2 psi spring setting Body: Brass Cap: Brass Plunger: Brass Spring: Stainless steel Discs: Nitrile Rubber Expansion valve: Brass with Viton