High Quality & Dependable
Overpressure Protection

Crosby J Series Direct Pressure Relief Valves

Crosby J-Series Direct Spring Relief Valve

Crosby J Series Direct Pressure Relief Valves

The J-Series pressure relief valve 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.

Documents & Drawings
Data Sheets & Bulletins

Features

  • ASME/NB certified capacities for air, water and steam.
  • Full compliance with all major global pressure relief standards including ASME VIII, 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.

Click to get more information on the Crosby J Series Direct Pressure Relief Valve

SPECIFICATIONS

SPECIFICATIONS

Sizes:
1″ D 2″ to 12″ W 16″

Orifices:
0.110 to 60.75 in2
(71 to 39,193 mm2)

Inlet ratings:
ANSI Classes 150, 300,
600, 900, 1500, 2500

Temperature range:
-450°F to +1000°F
(-268°C to +538°C)

Set pressures:
JOS-E: 5 to 6000 psig
(.034 to 413.79 barg)

JLTJOS-E:
15 to 6000 psig
(1.03 to 413.79 barg)

JBS-E:
15 to 6000 psig
(1.03 to 413.79 barg)

JLTJBS-E:
25 to 6000 psig
(1.72 to 413.79 barg)

Code:
ASME Section VIII
(15 psig and above)

Click to get more information on the Crosby J Series Direct Pressure Relief Valve

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