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The Groth Model 2450A Emergency Pressure Relief Valve is designed to provide emergency relief capacity beyond that furnished by the normal operating pressure/vacuum relief valve on the tank. The valve protects the tank against rupture or internal pressures caused by fire exposure, etc. Series 2450A is designed to be self-closing. As excessive pressure builds up, Series 2450A relieves, then reseats when over pressure has been dissipated. Counter weights are available for lower settings.

Product Features

  • Sizes 16″, 20″, 24″, and 30″
  • Pressure settings 1.5 – 8 oz/in2
  • Vacuum settings 0.5 – 4 oz/in2
  • Hinged with lift stop for positive reseating
  • Available in carbon steel, stainless steel and other materials
  • Easy access manway combined with emergency relief


Groth Corporation

A global leader in manufacturing pressure/vacuum relief valves, flame and detonation arresters, blanket gas regulators, and other low pressure relief products.


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