Emerson recognized the 150th anniversary of its Crosby line of pressure relief valves (PRVs), marking a milestone in the history of PRVs and overpressure protection products. Crosby technologies are engineered to meet the latest regulatory standards.
Crosby offerings include J-Series, designed to provide overpressure protection in air, gas, steam, vapor, liquid and two-phase media applications; Omni-Trim for overpressure protection and thermal relief applications in air, gas, vapor, liquid, and steam; and H-Series, designed for overpressure protection in power industry steam safety applications, including economizers, steam drums, superheaters and reheaters.
Emerson’s recent valve innovation milestones include:
- 2019—PRV monitoring and RFID technologies are released for the Crosby J-Series.
- 2020—Actuated J-Series valves attain SIL3 (Safety Integrity Level 3) certification.
- 2022—Emerson introduces Crosby Balanced Diaphragm Technology.
- 2022—Emerson introduces Bellows Leak Detection for Crosby valves.
- 2024—Crosby H-Series limits are extended to over 7,250 pounds per square inch/500 bar and 1,200 °F/648 °C.
“Emerson remains committed to innovation and excellence, continuously enhancing its range of overpressure products to meet and exceed the evolving needs of end users,” said Judson Duncan, president of Emerson’s pressure management business. “With a steadfast dedication to regulatory compliance, safety and customer satisfaction, Crosby is positioned to lead a safer, more sustainable industry over the next 150 years.”
