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DWYER AT-ADPS atex/iecex approved differential pressure switch

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. Flameproof enclosures are available in aluminum and can include a glass window for viewing set point status on the adjustment knob.

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Made in USA. brand DWYER, model AT-ADPS

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

price by request

Available

Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Description of DWYER AT-ADPS

Important notes for installation:
• Cables must be fitted through 1/2″ NPT cable gland or ATEX/IECEx conduit (not supplied with instrument).
• Make sure after cabling to close tight cover and cable gland, in order to maintain IP66 rating.
• Open cover only after de-energizing instrument.
Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous areas.

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

FEATURES

Flameproof enclosure with optional glass window and aluminum housing protects the device in hazardous areas while giving local visibility to set point status
Increased response time at low pressures with LD port configuration

Technical specifications of DWYER AT-ADPS

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: INERIS 21ATEX0033X.
IECEx Certificate: IECEx INE 21.0064X.
Compliance: ATEX: 0080 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: Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) Ex tb IIIC T75°C Db.

Model Chart DWYER AT-ADPS

     SERIES AT-ADPS PRESSURE SWITCH                  
     
     AT-101NA-ADPS-X-X-X-XXXX AT-ADPS PRESSURE SWITCH W/ ATEX ENCL
          
         1ST SYMBOL (1ST X) RANGE
           08     0.08 TO 1.20 INWC  &  (20 TO 300 PA)
           04     0.12 TO 1.61 INWC  &  (30 TO 400 PA)
           03     0.20 TO 2.01 INWC  &  (50 TO 500 PA)
           05     0.80 TO 4.01 INWC  &  (200 TO 1000 PA)
           06     2.01 TO 10.04 INWC &  (500 TO 2050 PA)
           07     4.00 TO 20.00 INWC &  (1000 TO 5000 PA)

         2ND SYMBOL (2ND X) CONNECTION
            2     M20 X 1.5
           
         3RD SYMBOL (3RD X) SWITCH CONTACTS
            N     UP TO 1.0 A (0.4) /250 VAC     

         4TH SYMBOL (4TH X) HOUSING COVER
            B     BLIND TOP COVER
            W     GLASS WINDOW
             
         5TH SYMBOL (5TH X) PORT/VALVE MATERIAL
            1     BRASS
            2     STAINLESS STEEL

         6TH SYMBOL (6TH X) PRORT/VALVE CONFIGURATION
            VSO   STANDARD PORT, NO VALVE
            VL0   LD PORT, NO VALVE
            
         7TH SYMBOL (7TH X) CABLE ENTRY
            12     1/2" NPT ANSI/ASME B1.20.1

User Guide and Instruction manual for DWYER AT-ADPS

You can request the necessary certificates, documentation, instructions and user guide for DWYER AT-ADPS using the special form.

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You can buy DWYER AT-ADPS in Latvia at a favourable price in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email olil@olil.lv. DWYER AT-ADPS price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.