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Emerson Crosby™ Pressure Relief Valves

The Leader in Over Pressure Protection

For over 140 years, Crosby has maintained its leadership in over pressure protection.

The direct spring-operated safety and pressure-relief valves are among the most widely used for oil and gas production and refining, petrochemical and chemical processing, and conventional and nuclear power. Emerson maintains the industry’s most extensive high-flow facilities for valve testing in air, steam, and water.