HTH TECHNOLOGY CO., LTD, Công Ty TNHH Thương mại Dịch Vụ Công Nghệ HTH

HTH TECHNOLOGY CO., LTD, Công Ty TNHH Thương mại Dịch Vụ Công Nghệ HTH

Series AT-ADPS ATEX/IECEX Approved Differential Pressure Switch

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P/N#: AT-ADPS

Origin: USA

The Series AT-ADPS ATEX/IECEx Approved Differential Pressure Switch is designed for pressure, vacuum, and differential pressure applications in hazardous areas. 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 switch is available with settings from 0.08 in w.c. (20 Pa) up to 20 in w.c. (5000 Pa). The silicone diaphragm makes this series ideal for use with air and other noncombustible gases. Flame-proof enclosures are available in aluminum and can include a glass window for viewing set point status on the adjustment knob.

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The Series AT-ADPS ATEX/IECEx Approved Differential Pressure Switch is designed for pressure, vacuum, and differential pressure applications in hazardous areas. 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 switch is available with settings from 0.08 in w.c. (20 Pa) up to 20 in w.c. (5000 Pa). The silicone diaphragm makes this series ideal for use with air and other noncombustible gases. Flame-proof enclosures are available in aluminum and can include a glass window for viewing set point status on the adjustment knob.

Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous area.

Please see Series ADPS for non-ATEX/IECEx approved.

California Residents:  Click Here for Proposition 65 WARNING.

Product Applications

  • Hazardous area pressure switch
  • Air filter and ventilator monitoring
  • Ventilation duct monitoring
  • Industrial cooling circuits
  • Fan heater overheating protection
  • Fire-protection damper control
  • Heat exchanger frost protection

Specifications

Service:
Air and non-combustible, compatible gases.
Wetted Materials:
Diaphragm material: Silicone; Housing material: Switch body: PA 6.6 and POM; Cover: Polystyrene; Brass or SS depending on pressure connections chosen.
Temperature Limits:
Process and ambient temperature from -4 to 185°F (-20 to 85°C) (Note: Product temperature limits differ from case).
Pressure Limits:
See pressure limit chart.
Switch Type:
SPDT.
Electrical Rating:
Standard: Max. 1.5 A @ 250 VAC, max. switching rate: 6 cycles/min.
Set Point Adjustment:
Hand knob on pressure switch inside case. (De-energize before opening case).
Mounting Orientation:
Vertically, with pressure connections pointing downwards.
Mechanical Working Life:
Over 106 switching operations.
Enclosure Rating:
IP66.
Housing Material:
Aluminum.
Finishing:
Texture epoxy coat RAL7015.
Process Connections:
1/8" NPT female brass (SS optional).
Electrical Connections:
Two 1/2" NPT female. Cable gland not included.
Weight:
10.4 lb (4.7 kg).
ATEX Certificate:
EPT 19 ATEX 3192 X.
Agency Approvals:
ATEX Compliant: CE 0477 EX II 2G Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) II 2D Ex tb IIIC T75 °C Db IECEx Compliant: Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) Ex tb IIIC T75°C Db.

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