These 406 check valves incorporate a plastic poppet with an embedded o-ring that seals on the seat.
- Nylon body
- Viton™ seal
- 302 SS spring
- 1 psi cracking pressure
- Natural for the inlet end, black for the outlet end
- Suitable for air use; no liquids
- Chemical resistant
- Maximum operating pressure: 125 psi
- Maximum operating temperature: 140°F
- Cv: 0.4