Internal pressure relief valves

  • Low profile design (no shearing or distortion)
  • Tamper-proof functioning parts
  • Longer spring size to minimise stress cracking in service
  • Easy installation and removal
  • High capacity – low turbulence
  • Dependable shut-off after opening
  • Built-in spring stop
  • ‘Pop-action’ minimising product loss
  • Automatic re-seating after pressure equalisation

Internal relief valves are commonly used to protect equipment like mobile tanks and containers. They prevent over-pressure accidents and are specifically designed for ASME tanks and containers while others suit bobtail and transport trucks and construction equipment.

Body:
Brass, Stainless steel
Spring:
Coated steel, Stainless steel, Steel
Stem:
Stainless steel
Seat disc:
Resilient rubber, Resilient synthetic rubber or Viton
Stem bushing:
17 to 4PH stainless steel
Gas types:
LPG (Propane, Butane), NH3 (Ammonia, Anhydrous Ammonia)
Connections:
Thread
Types:
NPT
Pressure range:
Max. 27 bar (391 psi)
Sizes and range:
3/4" to 3"
Standards:
ASME, UL listed

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application.

Body:
Brass, Stainless steel
Spring:
Coated steel, Stainless steel, Steel
Stem:
Stainless steel
Seat disc:
Resilient rubber, Resilient synthetic rubber or Viton
Stem bushing:
17 to 4PH stainless steel
Gas types:
LPG (Propane, Butane), NH3 (Ammonia, Anhydrous Ammonia)
Connections:
Thread
Types:
NPT
Pressure range:
Max. 27 bar (391 psi)
Sizes and range:
3/4" to 3"
Standards:
ASME, UL listed

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application.

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Did you know?

Internal valves are suitable for many different applications

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