Kunkle Vacuum Relief Valve Model 215V

Non-code vacuum relief. PED certified for non-hazardous gas.

Product Features

  • High capacity full nozzle design
  • Seal cap for vacuum service
  • Pivot between disc and spring corrects misalignment and compensates for spring side thrust
  • Flat bronze valve seats are lapped for optimum performance
  • Warn ring offers easy adjustability for precise opening with minimum preopen or simmer


  • Sizes 2″, 2 1/4″, and 3″
  • Vacuum limits: 2″ to 29″ Hg, -20°F to 406°F
  • Stainless steel trim available
  • Bronze nozzle, disc, and guide with cast iron housing


  • Non-hazardous gas


  • 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
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