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Model 337 has ’pull-ring’ lift device for easy manual testing.
- 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 and exact blowdown control.
- Pivot between disc and spring corrects misalignment and compensates for spring side thrust.
|Pressure Limit:||1 to 60 psig|
|Temperature Limit:||-20° to 406°F|
|Sizes, in & out:||2'', 2 1/2'' and 3''|
- Bulk hauling trailers/equipment.
- Light gauge tanks.
- Protection of low-to-medium pressure, high volume blowers, compressors and pneumatic conveying systems.