Description
Product Description
This 1/4" FNPT x 1/4" FNPT Series 694 Check Valve ensures a reliable seal with FKM seals and a pressure range of 1/3 PSI. The polypropylene body and Hastelloy spring make for a durable and long-lasting solution for 1/4" applications.
These 694 series check valves can be used for a wide range of air and fluid applications.
- Polypropylene
- FKM seals
- Hastelloy Spring
- High flow rate
- Seat area open diameter: 0.438"
- Positive seal at very low back pressure or slight vacuum
- Check mechanism: Disc poppet
- Cracking pressure: 1/3 psi
- Maximum pressure: 125 psi
- Maximum temperature: 140°F