![1/2" Model VR Brass Vacuum Relief Valve](http://triclamp.co/cdn/shop/products/VR_Valve_large.jpg?v=1578674388)
1/2" Model VR Brass Vacuum Relief Valve
1/2" 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
Materials:
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
Performance Rating:
Maximum Pressure: 200 PSIG
Maximum Temperature: 250° F
MPN: 37-201-01
Model Number: VR-12