LPG

Shear valve for safety in LPG autogas dispensers

Shear valves provide a critical safety functionality in LPG Autogas dispensers where they ensure a complete bi-directional shutoff of gas in the case of impact or dislodgement.

Photo of a Shear-valve

Product description

Shear valves, also known as fire and crash valves, are required to be installed at the bottom of an LPG autogas dispenser to prevent leakage and explosions in the event of a fire or if impacted by a car.

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Material

Construction: Brass, stainless steel
Seals: Nitrile
Clamps: Anodised aluminium

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Specifications

Gas types: LPG (Propane, Butane)
Connections: Thread
Type: NPT, BSP
Pressure range: Up to 25 bar (362 psi)
Flow rate: 0 to 40 lpm (0 to 10.5 gpm)
Temperature range: -20˚C to +40˚C (-4˚F to +104˚F)
Sizes and ranges: 3/4" to 1" 
Series: RIS-SHEAR-LPG1 , RIS-SHEAR-LPG075
Standards: CE-ATEX

*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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Features

  • Full flow - low pressure
  • Prevents partial break interference and leak conditions due to the displaced ball design
  • Seals upstream and downstream on impact
  • Consistent 420 Nm bending moment break
  • 12:1 safety factor
  • Brackets, bolt and instructions are included
  • Optional end fittings and mounting kits available, including isolator valves 
  • Materials: Nitrile seals, stainless steel, anodised aluminium clamps, non-spark brass construction

Did you know?

Shear Valves are some of the most used safety devices in LPG autogas stations

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Whether you already know what you need, or you would like the opinion of an expert, we are always ready to help you out.