CROSBY J-SERIES VALVES

We provide our customers with a friendly, experienced point of contact to source Crosby J-Series Direct Spring Pressure Relief Valves. We have a broad range of capabilities and bring a wealth of experience and additional value. This means we can supply spare parts or complete products with competitive pricing and delivery. Please complete the form at the bottom of this page or send your RFQ to crosby@chaseint.co.uk.

Crosby pressure relief valves have maintained leadership in overpressure protection for over 140 years. The direct spring-operated safety and pressure relief valves are among the world’s most widely used for oil and gas production and refining, petrochemical and chemical processing, and conventional and nuclear power. Crosby pressure relief valves maintain the industry’s most extensive and capable flow facilities for testing in air, steam, and water.

CHASE has supplied Crosby pressure relief valves for many years. We have a close working relationship with manufacturers, Emerson.

Crosby J-Series Relief Valves

General Application

Crosby J-Series Valves provides overpressure protection from very basic to the most demanding applications. Backed by over 140 years of engineering and application experience, its versatile and rugged design make it a proven solution for oil and gas, process and power industry overpressure protection.

Features

  • ASME/NB certified capacities for air, water and steam.
  • Full compliance with all major global pressure relief standards including ASME VIII, Section XIII, API 526/527, EN4126 and PED/CE.
  • Highly customizable to meet most applications.
  • Interchangeable parts to reduce maintenance costs.
  • Full nozzle configuration.
  • Simple and reliable design.
  • Easy maintenance.
  • Soft seat options for superior seat tightness.
  • Adjustable blowdown to reduce product loss.
  • Restricted Lift available.
  • Available with inlet and outlet connections according to EN 1092-1.
  • Dual capacity certified to ASME Code Case 2787.
  • Balanced Diaphragm technology.
  • Available with wired or wireless volumetric emissions monitoring.

Technical Data

  • Sizes: 1″ D 2″ to 12″ W 16″ 25 D 50 to 200 T 250 (EN Type)
  • Orifices: 0.110 to 60.75 in2 (71 to 39,193 mm2)
  • Inlet ratings: ANSI Classes 150, 300, 600, 900, 1500, 2500 EN Classes PN 10, PN 16, PN 25, PN 40
  • Temperature range: -450 to +1000°F (-268 to +538°C)
  • Set pressures
    • JOS-E: 5 to 6000 psig (0.35 to 413.79 barg)
    • JLTJOS-E: 15 to 6000 psig (1.03 to 413.79 barg)
    • JBS-E/JBSBP-E: 25 to 6000 psig (1.72 to 413.79 barg)
    • JLTJBS-E/JLTJBSBP-E: 25 to 6000 psig (1.72 to 413.79 barg)
    • JDS-E: 25 to 1480 psig (1.72 to 102 barg)
    • JLTJDS-E: 25 to 1480 psig (1.72 to 102 barg)
  • Code: ASME Section VIII and Section XIII (15 psig (1.03 barg) and above)

For pricing and delivery on any Crosby J-Series Direct Spring Pressure Relief Valve please complete the form below or send your RFQ to crosby@chaseint.co.uk.