Product Overview
These 685 series check valves can be used for a wide range of air and fluid applications.
- Polypropylene Body
- Cracking pressure: 1/3 psi
- 302 SS spring
- FKM seals
- High flow rate
- Seat area open diameter: .438"; Positive seal at very low back pressure or slight vacuum
- Check mechanism: Disc poppet
- Maximum pressure: 125 psi
- Maximum temperature: 140°F
- Dimensions: 2.50" L x 1.75" W
