Dwyer A-321 Pressure Relief Valve

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  • Opens at 10 psi
  • Mounts in tee fitting
  • 1/4" NPT(M)

This product is an accessory for the following products:

Dwyer 2000 Series Magnehelic Pressure Gauges
Low pressure Magnehelic gauges with frictionless movement to quickly indicate positive, vacuum or differential pressures
In Stock

Brass safety relief valve, protects Magnehelic® gauge or Photohelic® switch/gage against over pressure due to regulator failure, etc, opens at 10 psi. Mounts in tee fitting. 1/4" NPT(M) (use two for DP application).