Breathable Air Pressure Relief Valves Datasheets

Beswick Miniature Back pressure Regulator (BPR) is a normally closed valve that senses and responds to changes in upstream pressure. Like a relief valve, it will open to vent excess pressures from the outlet port, when upstream pressure rises above the cracking pressure. Cracking pressure is... [See More]

• Media: Hydraulic; Air; Breathable; CompressedAir; Water; HotWater; ColdWater  ; GroundWater; PotableWater; Wastewater; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas 
• Maximum Pressure: 0.00 to 500.00 psi

• Valve Size: 0.00 to 0.06 inch
• Controlled Pressure Range: 10.00 to 450.00 psi

Continuously bleeds off excess internal gas to maintain a safe positive pressure inside glove boxes. Variable release mechanism automatically discharges any sudden surge of incoming gas. Protects against accidental negative pressure by functioning as a check valve. Extends life of doors and gaskets. [See More]

• Media: Air; Breathable; CompressedAir 
• Connection Description: Threaded (optional feature); Union (optional feature) 

• Valve Size: 0.62 to 1.00 inch
• Primary Material: StainlessSteel (optional feature); polymer