Applications
- Retains system pressure in the piping when the pump is shutdown
- Allows for winterization of the system through the 3/4″ NPT fitting to drain and purge all water
Advantages
- Galvanized steel body
- Stainless springs and swing arm
- Rubber-to-rubber gasket
- 3/4″ NPT fitting with galvanized plug for winterization and/or draining the system during shut down
- Eliminates priming of pump when pump is shut down by retaining water in intake pipe
- Flange inlet and outlet