Safety Pressure Relief Valves for Oxygen Duty
Safety valves for the pressure protection of high pressure air and gas systems and in particular Oxygen duties where these valves can be degreased on request.
Free pressure setting, testing and certification.
All safety relief valves supplied by Johnson Valves are set to your pressure requirements and issued with a certificate to the relevant standards at no extra cost.
492 – Goetze High Pressure Atmospheric Discharge Stainless Steel Safety Relief Valve
The 492 safety relief valve is suitable for the protection of pressure tanks and systems for air and inert gas applications at high pressure. Supplied set to your requirements with a certificate confirming lift pressure at no additional cost.
Type
High Pressure • Atmospheric Discharge (optional angled) • Twist Type Lift or Dome Top
Size & Connections
6mm (1/4″) to 25mm (1″) • BSPP
Duty
Air • Inert Gases • Oxygen (on request)
Materials
Stainless Steel Body • Metal Sealing / Polyamidimide
Set Pressure Range
DN10 : 50 to 630 bar • DN15 : 50 to 250 bar
Temperature
60°C to 180°C
Compliance & Approvals
DIN EN ISO 4126-1 • TÜV test certificate: 2076
2480 – Goetze High Pressure Atmospheric Discharge Bronze Safety Relief Valve – Cryogenic & Oxygen Duty
The 2480 full lift safety relief valve is designed for high capacity pressure relief of cryogenic fluids in tanks and systems. Being oil free, this safety valve is also suitable for oxygen duty.
Type
Full Lift • Side Discharge • Twist Lift, Lever Lift or Dome Top
Size & Connections
6mm (1/4″) to 25mm (1″) • BSPP (NPT on request)
Duty
Air • Cryogenic • Oxygen • Inert Gases • Water
Materials
Bronze Body • PTFE O-ring Sealing
Set Pressure Range
0.2 to 70 bar
Temperature
-200°C to 200°C (60°C max. for oxygen duty)
Compliance & Approvals
BV & ABS Type Approval • DIN EN ISO 4126-1 • TÜV test certificate: 2091