ProPlumber Brass Check Valve 1-in x 1-in female NPT

This 1-in brass check valve keeps prime in jet, submersible and centrifugal pump systems. When a pump shuts off, the check valve closes preventing the water from back-flowing. Long lasting, spring-loaded check valves are manufactured with high-quality brass. Features include poppet with Buna-N O-ring, stem guide, and wide channel for maximum flow. Rated at 200 psi. Keeps prime in jet, submersible and centrifugal pump systems 1-in x 1-in female NPT Prevents backflow in well or irrigation systems Features include poppet with Buna-N O-ring, stem guide, and wide channel for maximum flow Can be used vertically or horizontally Solid brass design meets federal low lead regulations Maximum working pressure is 200 PSI Spring loaded