JB LARGE ORIFICE VALVE

We provide our customers with a friendly, experienced point of contact to source the Crosby JB Large Orifice Valve. 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.

JB Large Orifice Valve

General Application

The Crosby JB and JPV­A Large Orifice Pressure Relief Valves are suitable for turbine exhaust lines, process plant main steam lines and low pressure gas service in refineries, polyvinyl chloride reactors, deaerators, oil refinery coke drums, beet sugar plant evaporators and moisture separator reheaters in nuclear power plants.

Features

  • Ten size product range is the broadest available.
  • Replaces multiple smaller valves to reduce installation and labour costs.
  • Fewer discharge lines.
  • Fewer inlet connections.
  • Reduced maintenance costs.
  • Fatigue-resistant bellows material.
  • Manufactured to ASME Boiler and Pressure Vessel Code, Section VIII and Section XIII
  • Air and steam capacities certified by the National Board of Boiler and Pressure Vessel Inspectors (UV and NB).

Technical Data

  • Sizes: 10″ x 14″ to 20″ x 24″ (DN 250 x 350 to DN 500 x 600)
  • Orifices: 47.85 to 213.82 in2 (308.71 to 1379.48 cm2)
  • Inlet rating: ANSI Class 300
  • Temperature range: -20 to +450°F (-29 to +232°C)
  • Set Pressure: 25 to 300 psig (1.72 to 21 barg)
  • Code: ASME VIII Section VIII and Section XIII (UV Designator)

For pricing and delivery on any Crosby JB and JPVA Large Orifice Valve please complete the form below or send your RFQ to crosby@chaseint.co.uk.