The Zurn Wilkins P4000A Pressure Relief Valve prevents pressure build-up in a fire protection system or other closed type system whenever the line pressure exceeds the setting of the spring caused by pumps, elevated piping and thermal expansion.
- Features & Benefits
- Designed for fire sprinkler system relief
- Standard adjustability from 20-200psi
- Body and cover materials: cast bronze, stainless steel
- UL Listed, FM approved