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VR7 Relief Valve
For venting minor overpressure.
Features

- Brass or stainless steel
- Designed to vent excess pressure from a regulator, should a minor seat leak occur. Please note that they should not be used as a coded safety relief device.
Specification
- Body: Bar stock brass or 316 stainless steel
- Seals: Viton® (standard);Neoprene® (optional)
- Operating temperature: -35 to + 204 degrees celsius
- Spring: 302 stainless steel
- Poppet: Brass or 316 stainless steel
- Flow coefficient: Cv=0.37
- Maximum inlet pressure (psi): as limited by cracking pressure
| Model | Cracking pressure (psi) |
|---|---|
| VR7(10-20) | 10-20 |
| VR7(20-100) | 20-100 |
| VR7(100-250) | 100-250 |
| VR7(250-550) | 250-550 |
How to order
ALWAYS specify the gas or mixture to be used:
- select material eg. brass or stainless steel
- select pressure range (psi) 0.7-1.4,1.4-6.9,6.9-17.2,17.2-37.9
- connections (inlet x outlet) eg. 1/4" NPT (MxF)only
When ordering a relief valve please specify the cracking pressure required.
