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

Description

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

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

Applications

  • 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.

Options

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.

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Product Literature
Installation, Operation & Maintenance
Technical Documents
Models 230, 330, 300S, 333S – Relief Valves

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