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Pressure Switches

Pressure Switches

Transcat distributes the most reliable pressure switches for general purpose, air/water, gas and differential applications. The pressure switch will detect changes and open or close an electrical contact according to a predetermined set point. Differential switches sense pressure from both a low and a high pressure port and respond to the difference. Switches may be categorized according to their technology, such as diaphragm or piston. Our pressure device selection features switches with a wide scope of ranges to support virtually every application. We also offer Dwyer switch/gage combination instruments that measure and control positive, negative or differential pressures of air and gases.

 

Pressure Switch Buying Parameters

 

From length of service to cycle speed, the characteristics of a pressure switch will be affected by its technology. In addition to operating range and pressure sensor type, there are questions to ask about the switch, such as:

 

  • Is it process or media compatible?
  • Is the housing suitable for the application?
  • Can setpoint be adjusted?
  • What’s the operating temperature range?
  • Can it handle pressure spikes, and what is the max pressure?
  • What is the accuracy?

 

The Best Industrial and Process Switches

 

Dwyer Instruments A9 series switches are designed for controlling pressure with higher current capacity. These switches are used widely in steam cleaners, steam irons, and other pressure control systems. Dwyer’s switch/gages serve with versatility as highly repeatable pressure switches and precise gages. Ashcroft’s general purpose switches for pressure work within the full scope of process and industrial applications. They’re available with explosion-proof enclosures. Dwyer Instruments XP differential switches also offer explosion-proof designs and can feature a total pressure capability of 1500 psi.

 

Choose the best pressure switch for your process. To access switch information, chat with us, leave a message, or call 800.828.1470 today.

 

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  1. Dwyer Instruments A3040

    PHOTOHELIC Pressure Switch/Gage Range 0-40" w.c.

    Order #: A3040

    Mfg #: A3040

    Ships in 3-4 weeks

    $310.00 USD

    $300.70 USD

  2. Dwyer Instruments PGW-156-P2

    Gas/Differential Pressure Sw. W/R ENCL,SPST NC;SPST NO (SPDT)

    Order #: PGW-156-P2

    Mfg #: PGW-156-P2

    Ships in 1-2 weeks

    $579.00 USD

    $561.63 USD

  3. Dwyer Instruments A3000-0

    Pressure Switch/Gage 0-.50Wc

    Order #: A3000-0

    Mfg #: A3000-0

    In stock

    $310.00 USD

    $300.70 USD

  4. Dwyer Instruments DA-7031

    Bourdon Tube Pressure Switch Brass,10-300PSIG,Adj.Deadband

    Order #: DA-7031-153-9

    Mfg #: DA-7031-153-9

    Ships in 1-2 weeks

    $387.00 USD

    $375.39 USD

  5. Rosemount 0078N15N00N120X8Q4C4

    RTD SENSOR WITHOUT THERMOWELL

    Order #: 0078N15N00N120X8Q4C4

    Mfg #: 0078N15N00N120X8Q4C4

    Ships in 4-6 weeks

    Call for Price

  6. Ashcroft B4-24-B-60PSI

    Pressure Switch, 60 PSI

    Order #: B4-24-B-60PSI

    Mfg #: B4-24-B-60PSI

    Ships in 4-6 weeks

    $176.01 USD
  7. Dwyer Instruments PG-2-P1

    Gas/Differential Pressure Sw. SPST NC, 1-30 in H2O

    Order #: PG-2-P1

    Mfg #: PG-2-P1

    Ships in 2-3 weeks

    $382.00 USD

    $370.54 USD

  8. Dwyer Instruments A3005

    Pressure Switch/Gage 0-5.0Wc

    Order #: A3005

    Mfg #: A3005

    Ships in 1-2 weeks

    $310.00 USD

    $300.70 USD

  9. Ashcroft B424B-15PSI

    Pressure Switch 15 psi

    Order #: B424B-15PSI

    Mfg #: B424B-15PSI

    Ships in 3-4 weeks

    $176.01 USD
  10. Dwyer Instruments A3215

    Photohelic Pressure Switch/Gage

    Order #: A3215

    Mfg #: A3215

    Ships in 1-2 weeks

    $361.00 USD

    $350.17 USD

  11. Dwyer Instruments A6-753221

    Pressure Switch,SS,7PSI

    Order #: A6-753221

    Mfg #: A6-753221

    Ships in 1-2 weeks

    $21.00 USD

    $20.37 USD

  12. Dwyer Instruments A3000-125PA

    Photohelic Pressure Switch/Gage Range 0-125 Pa.

    Order #: A3000-125PA

    Mfg #: A3000-125PA

    Ships in 2-3 weeks

    $310.00 USD

    $300.70 USD

  13. Noshok 300-1-2-15/225-8

    Pressure Switch,15-225 PSIG

    Order #: 300-1-2-15/225-8

    Mfg #: 300-1-2-15/225-8

    Ships in 2-3 weeks

    $83.96 USD

    $79.76 USD

  14. Dwyer Instruments 3002MR

    Pressure switch/gage, range 0-2" w.c., .05 minor divisions.

    Order #: 3002MR

    Mfg #: 3002MR

    Ships in 1-2 weeks

    $314.00 USD

    $304.58 USD

  15. Dwyer Instruments A3010

    Pressure Switch/Gage 0-10Wc

    Order #: A3010

    Mfg #: A3010

    Ships in 1-2 weeks

    $310.00 USD

    $300.70 USD

  16. Noshok 300

    Pressure Switch,7-115PSIG 1/4"NPT,Hirschmann Connector

    Order #: 300-1-2-7/115-8

    Mfg #: 300-1-2-7/115-8

    Ships in 1-2 weeks

    $83.96 USD

    $78.19 USD

  17. Dwyer Instruments 616KD-01

    Differential Pressure Transmitter, 0 to 2 in H2O

    Order #: 616KD-01

    Mfg #: 616KD-01

    Ships in 1-2 weeks

    $68.00 USD

    $65.96 USD

  18. Dwyer Instruments 616KD-51-V

    Differential Press. Transmitter +/- 2 in H2O,select. 0-10/0-5V

    Order #: 616KD-51-V

    Mfg #: 616KD-51-V

    Ships in 1-2 weeks

    $68.00 USD

    $65.96 USD

  19. Dwyer Instruments EDPS-03-1-N

    Adj. Differential Pressure Sw. 0.20 to 2.00 in H2O, 1/2" NPT

    Order #: EDPS-03-1-N

    Mfg #: EDPS-03-1-N

    Ships in 1-2 weeks

    $28.00 USD

    $27.16 USD

  20. Dwyer Instruments FSW2-DNPN-40

    Free-Floating Sewage Water Level Switch,PVC Cable,SPDT,40'

    Order #: FSW2-DNPN-40

    Mfg #: FSW2-DNPN-40

    Ships in 1-2 weeks

    $71.00 USD

    $68.87 USD

  21. Dwyer Instruments DXW-11-153-1

    Differential Pressure Switch 1/4" NPT, SPDT, 2.5 to 10 psi

    Order #: DXW-11-153-1

    Mfg #: DXW-11-153-1

    In stock

    $65.00 USD

    $63.05 USD

  22. Dwyer Instruments A6-653221

    Pressure Switch,SS,5PSI

    Order #: A6-653221

    Mfg #: A6-653221

    Ships in 1-2 weeks

    $21.00 USD

    $20.37 USD

  23. Dwyer Instruments A9-3

    Snap-Action Pressure Switch Range 14.5-36.3 psig 1.2-2.5

    Order #: A9-3

    Mfg #: A9-3

    Ships in 1-2 weeks

    $21.50 USD

    $20.86 USD

  24. Dwyer Instruments MVS-2

    Miniature Vacuum Switch min. pt 9" H2O, max. pt 80" H2O

    Order #: MVS-2

    Mfg #: MVS-2

    Ships in 1-2 weeks

    $21.75 USD

    $21.10 USD

  25. Dwyer Instruments A3000-00

    Pressure Switch/Gage 0-.25Wc

    Order #: A3000-00

    Mfg #: A3000-00

    Ships in 1-2 weeks

    $327.00 USD

    $317.19 USD

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