Description
4″ flanged cast iron check valve rated with renewable Buna-N seat and disc and Class 250 flanged end connections. It is spring actuated (1/2 psi cracking pressure). Use in U.S. drinking water applications is prohibited after January 3, 2014.
Features
- 400 psi/27.6 bar non-shock cold working pressure
- Max temperature 180°F/82°C
- Renewable seat and disc
- Spring actuated (1/2 psi cracking pressure)
- Class 250 flanged end connections
- Use in U.S. drinking water applications is prohibited after January 3, 2014
- Conforms to MSS SP-125
- Conforms to MIL-V-18436F
