Top Brand Check Valve, 3/8 in, Single, Inline Piston, Brass, MNPT x FNPT - CHK BRS 610-6M6F-F Frame Material-Stainless Steel Four corner countersunk holes provide

Four corner countersunk holes provide flush fit of mounting screws with mirror surface

Can use 370 VAC capacitors

370V capacitor

Model can be inverted for right or left swing installation

and O-ring

Top Brand Check Valve, 3/8 in, Single, Inline Piston, Brass, MNPT x FNPT - CHK BRS 610-6M6F-F Frame Material-Stainless Steel Four corner countersunk holes provideIdeal for installation in tight spaces, this piston spring check valve can provide backflow protection for a variety of applications. Model has an embedded O ring that seals on the seat. Pressure in the direction of flow moves the piston and seal off the seat and exposes the cross holes in the piston. Valve is designed to provide a positive seal at very low back pressure or slight vacuum.