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Groth Corporation
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Groth Corporation is a global leader in manufacturing of pressure / vacuum relief valves, flame and detonation arresters, blanket gas regulators, and other low pressure relieving products. These pressure relieving products have been protecting atmospheric and fixed-roof storage tanks in the refining, chemical processing, pharmaceutical, food / beverage and bulk storage facilities for more than 40 years. For more information on these products, please contact us at 800-324-0093 or email us at sales@thorcousa.com. |
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Pressure/Vacuum Relief Valves |
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1200A - Relief Valve
Model 1200A is designed to vent to atmosphere to protect your tank from damage created by over-pressure or excessive vacuum. Costly product evaporation losses due to normal tank "breathing" are greatly reduced. more information | |
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1220A - Relief Valve w/ Pipe-Away
Model 1220A is used for pressure and vacuum relief where vapors must be piped away. Special pallets in the housing virtually eliminate the intake of air and the escape of vapors except during normal tank breathing to reduce the loss of product and protect the tank from possible damage. more information | |
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1260A - Relief Valve w/ Pipe-Away
Pressure Relief Valve Model 1260A is for use where pressure relief is required and all relieving vapors must be piped away. Tank relief, to avoid tank damage, is controlled by a spring or weight loaded pallet in the valve housing. more information |
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1300A - Vacuum Relief Valve
The Groth Model 1300A Vacuum Relief Valve is used when vacuum relief is the only requirement. Intake relief necessary under working conditions is achieved by a spring or weight loaded pallet. more information | |
Emergency Pressure Relief Valves |
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2000A - Emergency Pressure Relief Valve, Weight Loaded
The Groth Model 2000A is designed to provide emergency relief capacity beyond that furnished by the normal operating pressure relief valve on the tank. The valve protects the tank against rupture or explosion resulting from excessive internal pressures. more information |
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2100A - Emergency Pressure Relief Valve, Spring Loaded
Designed to provide emergency relief capacity beyond that furnished by the normal operating pressure relief valve on the tank. The valve protects the tank against rupture or explosion that could result from excessive internal pressures caused by fire, etc. more information | |
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2300A - Pressure Relief Valve
Designed to vent to atmosphere for emergency relief capacity above that supplied by a standard operating valve used on tanks, piping, and low pressure vessels. more information |
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2400A - Emergency Pressure Relief Valve, Hinged
Designed to provide emergency relief capacity beyond that furnished by the normal operating pressure relief valve on the tank. The valve protects the tank against rupture or internal pressures caused by fire exposure, etc. more information | |
Pilot Operated Relief Valves |
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1660A - Pilot Operated Relief Valve
Used on liquid storage tanks and other process vessels or systems to prevent structural damage due to excess internal pressure or vacuum. The pilot-operated relief valve has two principal advantages over standard types of relief valves: 1) it is bubble tight to set pressure, and 2) it is fully open at less than 10% above set pressure. more information |
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2500A - Emergency Relief Valve, Pilot Operated
The Groth Model 2500A is designed to provide emergency relief capacity beyond that furnished by the normal operating pressure relief valve on the tank. As excessive pressure builds up, Model 2500A relieves, then reseats when overpressure has dissipated. more information | |
Flame & Detonation Arresters |
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7618 - Flame Arrester, Vertical Installation
Designed to inhibit flame and deflagration propagation in gas piping systems and to protect low pressure tanks containing flammable liquids. Arresters protect low flash point liquids from externally caused sources of heat and ignition. more information | |
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7628 - Flame Arrester, Horizontal Installation
Designed to inhibit flame and deflagration propagation in gas piping systems and to protect low pressure tanks containing flammable liquids. more information | |
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7658A - Flame/Detonation Arrester - Group D Gases
Designed to inhibit flame and detonation propagation in gas piping systems and to protect low pressure tanks containing flammable liquids. Arresters protect low flash point liquids from externally caused sources of heat and ignition. more information |
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7758A - Flame/Detonation Arrester - Group C & D Gases
Groth Model 7758A flame and detonation arresters are proven to inhibit flame propagation in gas piping systems and to protect liquid storage tanks containing vapors with MESG equal to or greater than 0.025" [0.65 mm]. more information | |
Blanket Gas Regulators |
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3000 Series - Blanket Gas Regualtors
A blanket gas regulator supplies an inert gas to prevent a vacuum from developing when liquid is removed from a tank, to maintain the desired blanket pressure when the temperature drops, and to prevent outside air from contaminating the tank or creating a flammable or explosive environment. more information |
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Tank Top Appurtenances |
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