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Doger Technology Development, S.A.
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  2. UE Controls J21k series Differential pressure switch Model 16021

UE Controls J21k series Differential pressure switch Model 16021

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Welded 316L stainless steel bellows with 1/2” NPT (female) pressure connections

The J21K Series is simple to install and operate for alarm, safety and emergency shutdown applications requiring a higher switch sensitivity. It monitors the difference between two system pressures or vacuum using sealed, opposing bellows sensors.

$ 874.00 874.0 USD $ 874.00

874.00 USD

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    United Electric Controls
    Pressure switches, temperature switches, thermocouples, RTDs, pressure and temperature transmitters, gas detection

    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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    • Designed to meet Enclosure Type 4X (with watertight conduit fitting)
    • UL listed and cUL certified
    • Optional ATEX and Rostechnadzor (GOST-R) intrinsic safety compliance
    • Optional adjustable deadband
    • Single switch output
    • Opposing bellows design


    • Ambient temperature limits -40 to 160°F (-40 to 71°C); Set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change
    • Set point repeatability ±1% of full scale range
    • Shock Set point repeats after 15 G, 10 millisecond duration
    • Vibration Set point repeats after 2.5 G, 5-500 Hz
    • Enclosure Die cast aluminum, epoxy powder coated, gasketed
    • Enclosure classification Designed to meet enclosure type 4X requirements with M900 option (watertight conduit fitting)
    • Switch output One SPDT snap action switch; switch may be wired "normally open" or "normally closed" Electrical rating 15 A 125/250/480 VAC resistive. Electrical switches have limited DC capabilities. Consult factory for additional information.
    • Weight Approximately 2 lbs. (0.90 kg.)
    • Electrical connection 7/8" diameter conduit hole
    • Pressure connection Models 127-150, 232-254, 357, 16020: 1/4" NPT (female); models S127B-S150B, 16021: 1/2" NPT (female)


    UNITED STATES AND CANADA

    • UL listed, cUL certified
    • UL 508; CSA C22.2, no. 14 File # E42272
    • Canadian Registration Number (CRN): Refer to www.ueonline.com/certifications for list of approved models

    EUROPE

    • Low Voltage Directive (LVD) 73/23/EC & 93/68/EEC
    •  Compliant to LVD
    • Products rated lower than 50 VAC and 75 VDC are outside the scope of the LVD

    Pressure Equipment Directive (PED) 97/23/EC

    •  Compliant to PED
    • Products rated lower than 7.5 psi are outside the scope of the PED

     ATEX Directive (94/9/EC)

    •  II 1G Ex ia IIC T6 Ga (Optional - code M405)
    • -50°C ≤ Tamb ≤ +60°C
    •  UL International DEMKO A/S (N.B.#0539)
    • Certificate # DEMKO II ATEX 1105261X EN 60079-0, 60079-11, 60079-26

     RUSSIA

    •  Rostechnadzor Permit and GOST-R CoC (Optional - code M406)
    •  0ExiaIICT6 Tamb = -50C to +60C
    • NANIO CCVE Certification Center
    •  Certificate # ROSS US.GB05.Bo2933
    • GOST R 51330.0, 51330.1, 51330.10 & 51330.14


    Product Image
    UE Controls J21k series Differential pressure switch Model 16021

    $ 874.00 874.0 USD $ 874.00

    874.00 USD