Model J52 refrigerant liquid level switch

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Model J52 refrigerant liquid level switch

The Model J52 Refrigerant Level Switches are float actuated units designed for use on liquids with 0.60 specific gravity and above.

External cage switches

Technology

A permanent magnet is attached to a pivoted switch actuator. As the float/displacer rises following the liquid level, it raises the attraction sleeve into the field of the magnet, which then snaps against the non-magnetic enclosing tube, actuating the switch. The enclosing tube provides a static pressure boundary between the switch mechanism and the process. On a falling level, the float/displacer deactivates the switch.

  • Temperatures from -50 to +100 °F (-45 to +40 °C)
  • Maximum working pressure to 400 psig (28 bar)
  • Housing is completely sealed against entrance of moisture
  • Conduit seal with 24 in. (610 mm) lead wires
  • Welded float chamber assembly

Options

  • ¾” NPT or ¾” socket weld connections
  • Housing choices of NEMA 4X steel, NEMA 4X/7/9 explosion proof, and NEMA 4 transparent Lexan®
  • Optional cryogenic insulation available, see bulletin 41-106.
Chemical
  • Ammonia storage
  • Catalysis vessels
  • Chemical reactors
  • Deionization tanks
  • Heat Recovery Steam Generator (HRSG) – Power/Utilities
  • Neutralization
  • Scrubber vessels
Common applications
  • Level: Lubrication oils & hydraulic fluids
  • Level: Process & field storage tanks
Petroleum refining
  • Catalysis vessels
Power generation
  • Ammonia storage
  • Deionization tanks
  • Heat Recovery Steam Generator (HRSG) – Power/Utilities

The buoyancy force of a process liquid on the float causes the float to ride on the liquid surface. The movement of the float with the liquid level moves an attraction sleeve into the field of the switch magnet, pulling the magnet toward the sleeve and actuating the switch.

CSA XP
FM XP
EAC (GOST) Ex ia
SIL SIL 2 (1oo1)

Other approvals are available.

+ Features
  • Temperatures from -50 to +100 °F (-45 to +40 °C)
  • Maximum working pressure to 400 psig (28 bar)
  • Housing is completely sealed against entrance of moisture
  • Conduit seal with 24 in. (610 mm) lead wires
  • Welded float chamber assembly

Options

  • ¾” NPT or ¾” socket weld connections
  • Housing choices of NEMA 4X steel, NEMA 4X/7/9 explosion proof, and NEMA 4 transparent Lexan®
  • Optional cryogenic insulation available, see bulletin 41-106.
+ Applications
Chemical
  • Ammonia storage
  • Catalysis vessels
  • Chemical reactors
  • Deionization tanks
  • Heat Recovery Steam Generator (HRSG) – Power/Utilities
  • Neutralization
  • Scrubber vessels
Common applications
  • Level: Lubrication oils & hydraulic fluids
  • Level: Process & field storage tanks
Petroleum refining
  • Catalysis vessels
Power generation
  • Ammonia storage
  • Deionization tanks
  • Heat Recovery Steam Generator (HRSG) – Power/Utilities
+ Operating principle

The buoyancy force of a process liquid on the float causes the float to ride on the liquid surface. The movement of the float with the liquid level moves an attraction sleeve into the field of the switch magnet, pulling the magnet toward the sleeve and actuating the switch.

+ Approvals
CSA XP
FM XP
EAC (GOST) Ex ia
SIL SIL 2 (1oo1)

Other approvals are available.

Jolac
JOLAC ENGINEERING SDN BHD (“JOLAC”) was incorporated as private limited company in Kuala Lumpur, Malaysia under the Companies Act 1965 on 16th December 1982.
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