Kunkle Blower Relief Valve Model 338

Non-code safety valve for air service, providing modulated lift and reseat action

Product Features

  • Large nozzle design provides high capacity
  • Soft seat design for optimum shutoff
  • Lightweight aluminum construction
  • Valve modulates specifically for bulk transportation blower applications
  • Hardcoat anodized aluminum bonnet for corrosion protection
  • Tamper resistant cap protects factory setting


  • Size 2″
  • Pressures from 5 to 30 psig
  • Temperatures from -30°F to 400°F


  • Air


  • Protection of low to medium pressure, high volume blowers
  • Bulk hauling trailers/equipment
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