1st Stage Overpressure Relief Valve (Adjustable / Rebuildable)

The standard 1st stage overpressure relief valve comes set at 200 psi (+/- 10 psi) directly from the factory. The compact relief valve releases pressure in the event of an over pressurization of the first stage. It has an all stainless steel construction with Viton o-rings and a stainless steel internal spring.

  • All stainless steel construction
  • Easy to adjust from 150 to 250 psi
  • Factory preset at 175 to 185 psi
  • Machined Delrin cap protects the adjustment point
  • Compact relief valve releases pressure in the event of an over pressurization of the first stage
  • Fits standard 3/8”-24 UNF low pressure regulator port
  • Factory cleaned – Viton o-rings
SKU: LOC-AP640-A/R Category:

Description