Groth is a global leader in manufacturing pressure/vacuum relief valves, flame and detonation arresters, blanket gas regulato ... rs, and other low pressure relief products. Groth Corporation's Pressure/Vacuum Relief Valves, Pressure Relief Valves, Vacuum Relief Valves, Pilot Operated Valves, Flame and Detonation Arresters, Emergency Relief Valves, Waste Gas Burners, Pressure Regulators and more have been protecting refineries, chemical processing plants and facilities with atmospheric, fixed-roof storage tanks for more than 50 years. Pressure/Vacuum Relief Valves, Pressure Relief Valves, Vacuum Relief Valves and other pressure relief devices are important emission control devices. Relief valves protect against damage from pressure or vacuum and reduce losses from product evaporation. They are an important step in protecting the environment from harmful VOCs (Volatile Organic Compound). Flame and detonation arresters reduce the risk of damage or injury from fire. Groth Corporation is committed to providing innovative solutions, quality products and comprehensive service to improve the safety of your plant. Our products provide cost savings by reducing media loss and help to protect the environment for the next generation. read more