Models 215V and 337
型号215V是非代码真空救济。模型是1-9：ASME第337第八空气/气体“紫外线”全国委员会认证的安全阀门。有“电梯针”电梯，方便手工测试设备。所有调整是密封，以防止篡改或拆卸工厂。两者都是PED的非有害气体认证。

Models 215V and 337

Description
Specifications
Documentation

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]