Dwyer pressure switches are explosion-proof, ATEX approved, weatherproof, compact and low cost. Applications include HVAC applications, process applications, all weather applications, and gas furnaces.
- Series 1950
- Set Points from .03 to 20 in w.c., Explosion-proof and Weatherproof
Explosion-proof Differential Pressure Switch which applies to HVAC, processes, and all-weather. For use only with air or compatible gases. Applications with hazardous atmospheres and a single positive pressure may require special venting.
- Series H3
- Setpoints from 10" w.c. to 200 psid – Rated 1500 psig, Weatherproof
Explosion-Proof Differential Pressure Switch is a heavy duty, industrial unit and has a unique new design which provides sensitivity to differential pressures as low as 10 inches of water. Utilizes a rotary motion transfer shaft that prevents a change in total pressure.
- Series DA/DS
- Pressure Ranges to 8000 psi (551.6 bar)
Bourdon Tube Pressure Switches have extremely high sensitivity and great repeatability. Hermetically sealed mercury switch is available. Applications include compressors and pump control.
- Series 1950G
- Explosion-proof, Weatherproof, Compatible with Natural Gases
Explosion-proof Differential Pressure Switch combines the best features of the popular Pressure Switch with the benefit of natural gas compatibility. Compact and easy access to the SPDT relay.
- Series PG
- External Adjustment, Visible Dial, Hermetically Sealed Snap or Mercury Switch
Gas Pressure/Differential Pressure Switch is for use with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas applications.
- Series 1996
- Compact, Low Cost, Range 4 to 20" w.c.
Gas Pressure Switch used with natural, manufactured, or LP gas. Applications in gas furnaces and natural, manufactured or LP gas applications. Compact and low cost. Ideal for high or low gas pressure interlock.
- Series AT11910
- Series 1910 in Flame-Proof ATEX Enclosure
ATEX Approved 1910 Differential Pressure Switch combines advanced design and precision construction. This pressure switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units.
- Series AT1ADPS
- The ADPS in Flame-Proof ATEX Enclosure
ATEX Approved ADPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and differential pressure applications.
- Series AT21823
- The 1823 in Flame-Proof ATEX Enclosure
ATEX Approved 1823 Differential Pressure Switch which are ideal for low pressure hazardous area applications. Various housing options such as an overpressure relief valve or external setpoint adjustment knob are available.
- Series AT2DH3
- 3 in 1 Instrument: Gage, Switch, and Transmitter, Flame-Proof ATEX Enclosure
ATEX Approved DH3 Differential Pressure Controller is a 3-in-1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output. Ideal for hazardous area pressure, velocity, and flow applications.
- Series AT3A3000
- Photohelic® Switch/Gages in Flame-Proof ATEX Enclosures
ATEX Approved Photohelic® Switch/Gages with 120, 240 or 24 VAC Power are available in aluminum with glass window which allows for viewing of set point needles and process pressure. A few applications include clean rooms and fume exhaust systems.