Models 230, 330, 300S, 333S – Relief Valves


ASME Section VIII, Air/Gas Vacuum, ‘UV’ National Board Certified Safety Valves.

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    Model Descriptions
    • Model 337: Has ‘pull-ring’ lift device for easy manual testing.
    • Model 215V: Model used for Vacuum service.
    Pressure and Temperature Limits
    • Model 337: 1 to 60 psig -20° to 406°F
    • Model 215V: 2-inch HG to 29-inch HG -20° to 400°F
    • Protection of low to medium pressure high volume blowers, compressors and pneumatic conveying systems.
    • Bulk hauling trailers/equipment.
    • Light gauge tanks.
    • Protection of high volume vacuum pumps and conveying systems.

    SS trim. (nozzle and disc) (Variation 03)

    Features and 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 and exact blowdown control.
    • Pivot between disc and spring corrects misalignment and compensates for spring side thrust.