Collection:Check Valves With Push-In Fittings

These valves allow the air flow in one direction only while preventing it in the opposite. When the air enters the inlet port it pushes the poppet, compresses its spring, and passes it to get to the outlet port. If the air comes from the outlet side it will press the poppet against the base of the orifice thus blocking it and stopping the flow.

The connection ports are designed with different combinations: an inlet and an outlet port with push-in fittings, the inlet port with a threaded nipple fitting and the outlet port with a push-in fitting, the inlet port with a push-in fitting and an outlet port with a threaded nipple fitting.

The push-in fitting sizes range from 4 to 12 mm and threaded nipples from M5 x 0.8 to M6 x 1 and from R1/8 to R1/2 inch.