3/4" Model VR Brass Vacuum Relief Valve
3/4" Model VR, Brass Vacuum Relief Valve
The Apollo® Model VR Vacuum Relief valve is designed to automatically vent a system should a vacuum occur. It prevents siphoning of water from the system and/or tank collapse.
Features:
- Brass poppet for improved strength
- Suitable for LP steam (15 PSIG max)
- ANSI (American National Standards Institute) Z21.22 certified
- Bonnet: ASTM (American Society for Testing and Materials) B16 Brass
- Nozzle: ASTM B16 Brass
- Poppet: ASTM B16 Brass
- Seat Washer: EPDM (ethylene propylene diene terpolymer)
- Spring: Stainless Steel
- Retainer: Glass filled Noryl
- Maximum Pressure: 200 PSIG
- Maximum Temperature: 250° F