Float level switch J52
displacerfor liquidsfor tank

float level switch
float level switch
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float, displacer
for liquids
for tank
Other characteristics
Process temperature

Max.: 40 °C
(104 °F)

Min.: -45 °C
(-49 °F)

Process pressure

28 bar
(406.11 psi)


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 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. Features 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. 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.


Model J52
Model J52
2 Pages

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