About This Item
Description
Dwyer A-321 Brass safety relief valve, protects Magnehelic? gage 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).
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Prop 65 Warning: Product's may contain one or more substances or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm.
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