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DWYER BDPA adjustable differential pressure alarm

The Series BDPA Adjustable Differential Pressure Alarm with built-in audible and visual set point indication is designed for overpressure, vacuum, and differential pressure applications. The scaled adjustment knob allows changes to the switching pressure to be made without a pressure gage. The BDPA is available with settings from 0.08″ w.c. (20 Pa) to 20″ w.c. (5000 Pa). The silicone diaphragm and PA 6.6 body make the Series BDPA perfect for use with air and other noncombustible gases.

			
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Made in USA. brand DWYER, model BDPA

International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.

Retail price from $129

Available

Available

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

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Only the best I&C brands

Our company is a global supplier of control and measuring instruments from well-known world brands

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Discounts for organisations

We sell high-tech equipment at very low prices. We provide really advantageous conditions for partners

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Fast delivery across the Europe & Asia

We take care of all logistics and customs clearance of I&C solutions from Europe, USA, China and India

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Professional advice on device selection

Our specialists are ready to advise you on any technical question. We can find an analogue of any device

Description of DWYER BDPA

The Series BDPA Adjustable Differential Pressure Alarms offer a versatile range of configurations allowing utilization of their many features. The BDPA can be powered by battery or 24 VDC/VAC line power. If connecting line power, the battery can act as back-up power in case of power outage. When set point threshold is reached, a local loud audible buzzer and bright LED will indicate periodically notifying of set point activation. An SPDT contact may also be wired to send a signal remotely to a DDC or building management system. A snooze button located through an opening in the cover can be pressed by the user to manually disengage the audible and visual indication until a maintenance operation is performed. If the instrument is mounted where it is difficult to access, a remote contact may be connected allowing the user to deactivate the buzzer and LED at the remote contact location.

The Series BDPA Differential Pressure Alarm’s great functional versatility makes it perfect for filter, fan, and ventilation applications or any retrofit job where installing electrical wiring proves cost-prohibitive.

Note: For a 1/2″ npt connection, use the 1/2″ conduit fitting adapter (A-483).

PRODUCT APPLICATIONS

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

Technical specifications of DWYER BDPA

  • Service: Air and noncombustible, compatible gases.
  • Wetted Materials: Diaphragm: Silicone; Housing: Switch Body: PA 6.6 and POM; Cover: Polystyrene.
  • Temperature Limits: Process and ambient temperature from -4 to 185°F (-20 to 85°C).
  • Pressure Limits: Max. operating pressure: 40″ w.c. (10 kPa) for all pressure ranges.
  • lectrical Rating: 1.0 A @ 30 VDC/VAC.
  • Switch Type: SPDT.
  • Alarm Indication: Red LED and audible alarm.
  • Alarm Level: Approximately 90 db at 4″ (10 cm).
  • Alarm Acknowledge: Button press.
  • Power Requirements: 16 to 30 VDC, 18 to 30 VAC or 3.6 V LS14250 lithium metal battery, installed functional, user replaceable. Battery acts as back-up if power is lost.
  • Battery Life: Approximately 1.5 years with 3.6 V/1.2 Ah.
  • Repeatability: ±15% FS.
  • Electrical Connections: Screw terminals. M20x1.5 with cable strain relief or optional 1/2″ NPT connection.
  • Process Connections: 5/16″ (7.94 mm) outside diameter tubing, 1/4″ (6.0 mm) inside diameter tubing.
  • Mounting Orientation: Vertically, with pressure connections pointing downwards.
  • Enclosure Rating: IP21.
  • Weight: 6.1 oz (173 g).
  • Agency Approvals: CE, RoHS.

How to buy DWYER BDPA

Model Description Price
BDPA-03-2-N Adjustable differential pressure alarm, range .20-2.00″ w.c., M20 connection.
$129.00
BDPA-04-2-N Adjustable differential pressure alarm, range .12-1.60″ w.c., M20 connection.
$131.35
BDPA-05-2-N Adjustable differential pressure alarm, range .80-4.00″ w.c., M20 connection.
$131.35
BDPA-06-2-N Adjustable differential pressure alarm, range 2.00-10.00″ w.c., M20 connection.
$131.35
BDPA-07-2-N Adjustable differential pressure alarm, range 4.00-20.00″ w.c., M20 connection.
$129.35
BDPA-08-2-N Adjustable differential pressure alarm, range .08-1.20″ w.c., M20 connection.
$131.35
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Accessories for DWYER BDPA

Model Description Price
A-480 Plastic static pressure tip
$2.15
A-481 Installer kit, (includes 2 static pressure tips and PVC tubing).
$6.60
A-489 4″ 303 SS straight static pressure tip with flange, 1/4″ hose barb.
$9.50
A-289 “S° type metal mounting bracket with screws.
$6.20
A-483 Conduit fitting adapter, 1/2″
$3.25
A-469 Replacement cover for Series BDPA switch
$8.30
A-288 “L° type metal mounting bracket with screws.
$6.20
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User Guide and Instruction manual for DWYER BDPA

You can request the necessary certificates, documentation, instructions and user manuals for DWYER BDPA using the special form.

You can buy DWYER BDPA in UK or Europe at a price starting from 129 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER BDPA price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.