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The J21K Differential Pressure Switch Supplier
Dec 05, 2016

The J21K differential pressure switch


Specifications:


Storage temperature : -65 to 160°F (-54 to 71°C)

Set point repeatability ±1% of full scale range



ShocK   :Set point repeats after 15 G, 10 millisecond duration


Switch output : One SPDT snap action switch; switch may be wired "normally open" or

"normally closed

Pressure connection :Models 127-150, 232-254, 357, 16020: 1/4" NPT (female); models

S127B-S150B, 16021: 1/2" NPT (female)



Basic Information :

The J21K differential pressure switch monitors the difference between two system pressures 

or vacuums and senses excessive flow deviation, or verifies that a filter is clogged.

The J21K's rugged design - with epoxy coated enclosure and sealed metal bellows - lends 

itself to exacting applications. Widely used in refrigeration (chiller) and compressor 

applications,the J21K can be used for filter status monitoring and proof of flow



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