Anderson Greenwood Crosby Sanmar Limited

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CROSBY STYLE JB PRESSURE RELIEF VALVE

A large orifice pressure relief valve engineered to provide high quality, dependable overpressure protection for air, gas, vapor and steam applications.

GENERAL APPLICATION

These 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 labor 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 Section VIII and Section XIII (UV Designator)