Model 215V is Non-code Vacuum Relief.
Model 337 is ASME Section VIII Air/Gas “UV” National Board Certified Safety Valve. Has “lift-pin” lift device for easy manual testing. All adjustments are factory sealed to help prevent tampering or disassembly.
Both are PED Certified for Non-Hazardous Gas.
Features & Benefits:
- Large nozzle design provides high capacity.
- Flat bronze valve seats are lapped for optimum performance.
- Warn ring offers easy adjustability for precise opening with minimum pre-open or simmer.
- Pivot between disc and spring corrects misalignment and compensates for spring side thrust.
- Each Kunkle valve is tested and inspected for pressure setting and leakage.
Specifications
Vacuum Limits
Model 215V:
2" Hg to 29" Hg [67.7 mbarg to 982 mbarg]
-20°F to 406°F [-29°C to 208°C]
Pressure and Temperature Limits
Model 337:
1 psig to 60 psig [0.07 barg to 4.1 barg]
-20°F to 406°F [-29°C to 208°C]