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Pressure Switch

We are a leading OEM Manufacturer of dwyer diff. pressure switch (adps) and diff. pressure switch (adps) from Ahmedabad, India.
  • Dwyer Diff. Pressure Switch (ADPS)
  • Dwyer Diff. Pressure Switch (ADPS)
  • Dwyer Diff. Pressure Switch (ADPS)
Dwyer Diff. Pressure Switch (ADPS)

Dwyer Diff. Pressure Switch (ADPS)

Rs 750  / PieceGet Best Price

Product Brochure

Enclosure RatingNEMA 13, IP54.
Current Rating (Amps)1.5
Power/Voltage (V)250
Pressure Ranges10 kPa
Switch TypeSingle-pole double-throw (SPDT).
Frequency50/60 Hz
Inside Diameter Tubing1/4" (6.0 mm)
Weight5.6 oz (160 g).
Operating Pressure 40" w.c.
Outside Diameter Tubing5/16" (7.94 mm)
Max Switching rate6 cycles/min.
Temperature Limits-4 to 185 Degree F (-20 to 85 Degree C)
The Series ADPS Adjustable Dwyer Diff. Pressure Switch (ADPS) is designed for pressure, vacuum, and differential pressures. The dual scaled adjustment knob in inches water column and pascals allows changes to the switching pressure to be made without a pressure gage. The ADPS is available with settings from 0.08 w.c. (20 Pa) up to 16 w.c. (4000 Pa). The silicone diaphragm and PA 6.6 body make the series ADPS ideal for use with air and other noncombustible gases. The compact size, adjustment knob and low cost make the ADPS the perfect choice for H.V.A.C. applications.

  • Monitoring air filters and ventilators
  • Monitoring industrial cooling-air circuits
  • Overheating protection for fan heaters
  • Monitoring flows in ventilation ducts
  • Controlling air and fire-protection dampers
  • Frost protection for heat exchanges

Mechanical Working Life

  • Over 106 switching operations.

Mounting Orientation

  • Vertically, with pressure connections pointing downwards.

Agency Approvals

  • CE, RoHS.

Electrical Connections

  • Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2 NPT connection.

Wetted MaterialsDiaphragm material

  • silicone; Housing material POM switch body PA 6.6; Cover Polystyrene.


  • Air and non-combustible, compatible gases

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  • Diff. Pressure Switch (ADPS)
  • Diff. Pressure Switch (ADPS)
Diff. Pressure Switch (ADPS)

Diff. Pressure Switch (ADPS)

Rs 850  / UnitGet Best Price

Minimum Order Quantity: 1 Unit

Product Brochure

Current Rating (In Amps)2 A
Enclosure RatingIP54
Model No.104 Series
Power/Voltage250 V
Media TypeGas
Process Connection3/16
Temperature Limits5 to 140 Degree F (-15 to 60 Degree C)
Deadband10% of max set point
Accessories6 ft(1.8m)
ConnectionScrew terminals
Weight3.5 oz (100 g)
Max Pressure200mmwc
The Series 104 Differential Pressure Switch is a low-cost easy to use differential pressure switch for very low pressure applications. The differential pressure switch can monitor positive, negative, or differential pressure and with an easy to adjust set point knob makes field set up and adjustment hassle free. The differential pressure switch includes a SPDT relay rated for2A @ 250V and can be set as low as 0.08" w.c. (20 Pa).

  • High Quality, Low-Cost
  • Visual Set Point Indication
  • Hassle-Free Field Adjustment Knob
  • 2% Repeatability

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