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DWYER 1950G explosion-proof differential pressure switch

Series 1950G Explosion-Proof Differential Pressure Switch combines the best features of the popular Dwyer® Series 1950 Pressure Switch with the benefit of natural gas compatibility. Units are rain-tight for outdoor installations, and are UL listed for use in Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres, Directive 2014/34/EU (ATEX) Compliant for 2813 II 2G Ex db IIB+H2 T6, CSA & FM approved for Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G and Class III atmospheres. IECEx Ex db IIB+H2  T6 (-40°C<Ta<+60°C). The 1950G is very compact, about half the weight and bulk of equivalent conventional explosion-proof switches.
Easy access to the SPDT relay and power supply terminals is provided by removing the top plate of the aluminum housing. A supply voltage of 24 VDC, 120 or 240 VAC is required. A captive screw allows the cover to swing aside while remaining attached to the unit. Adjustment to the set point of the switch can be made without disassembly of the housing.

			
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Made in USA. brand DWYER, model 1950G

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

Retail price from $530.4

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 1950G

PRODUCT APPLICATIONS

  • Natural gas applications
  • Process applications
  • All-weather applications

Technical specifications of DWYER 1950G

  • Service: Air and compatible combustible gases.
  • Wetted Materials: Consult factory.
  • Temperature Limits: 0 to 140°F (-17 to 60°C). Note: Set point drift may occur with ambient temperature changes.
  • Pressure Limits: 45″ w.c. (11.2 kPa) continuous; 10 psig (68.95 kPa) surge.
  • Enclosure Rating: NEMA 3 (IP54), NEMA 7 and 9.
  • Switch Type: 1 Form C relay (SPDT).
  • Electrical Rating: 10 A, 120/240 VAC, 28 VDC. Resistive 50 mA, 125 VDC.
  • Power Requirements: 24 VDC ±10%. 120 or 240 VAC ±10% optional.Electrical Connections: Internal terminal block.
  • Process Connections: 1/8″ female NPT.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Set Point Adjustment: Screw type on top of housing.
  • Weight: 2 lbs 15.7 oz (1.35 kg).
  • Compliance: ATEX, CE, CSA, FM, IECEx, UL.

How to buy DWYER 1950G

Model Description Price
1950G-0-B-120-NA Explosion-proof differential pressure switch, range .15-.50″ w.c., approx. deadband @ min. set point .06, approx. deadband @ max. set point .11.
$530.40
1950G-00-B-120-NA Explosion-proof differential pressure switch, range .07-.15″ w.c., approx. deadband @ min. set point .04, approx. deadband @ max. set point .06.
$530.40
1950G-1-B-120-NA Explosion-proof differential pressure switch, range .4-1.6″ w.c., approx. deadband @ min. set point .11, approx. deadband @ max. set point .29
$530.40
1950G-5-B-120-NA Explosion-proof differential pressure switch, range 1.4-5.5″ w.c., approx. deadband @ min. set point .4, approx. deadband @ max. set point .9.
$530.40
1950G-10-B-120-NA Explosion-proof differential pressure switch, range 3-11″ w.c., approx. deadband @ min. set point .9, approx. deadband @ max. set point 1.8.
$530.40
1950G-20-B-120-NA Explosion-proof differential pressure switch, range 4-20″ w.c., approx. deadband @ min. set point 1.2, approx. deadband @ max. set point 3.0.
$530.40
1950G-0-B-24-NA Explosion-proof differential pressure switch, range .15-.50″ w.c., approx. deadband @ min. set point .06, approx. deadband @ max. set point .11.
$530.40
1950G-00-B-24-NA Explosion-proof differential pressure switch, range .07-.15″ w.c., approx. deadband @ min. set point .04, approx. deadband @ max. set point .06.
$530.40
1950G-1-B-24-NA Explosion-proof differential pressure switch, range .4-1.6″ w.c., approx. deadband @ min. set point .11, approx. deadband @ max. set point .29.
$530.40
1950G-5-B-24-NA Explosion-proof differential pressure switch, range 1.4-5.5″ w.c., approx. deadband @ min. set point .4, approx. deadband @ max. set point .9.
$530.40
1950G-10-B-24-NA Explosion-proof differential pressure switch, range 3-11″ w.c., approx. deadband @ min. set point .9, approx. deadband @ max. set point 1.8.
$530.40
1950G-20-B-24-NA Explosion-proof differential pressure switch, range 4-20″ w.c., approx. deadband @ min. set point 1.2, approx. deadband @ max. set point 3.0.
$530.40
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Model Chart DWYER 1950G

EXAMPLE 1950G 00 B 120 AT Series 1950G-00-B-120-AT Explosion-proof Differential Pressure Switch, range 0.07-0.15″ w.c., Buna-N diaphragm, 120 VAC supply voltage, with aluminum tag.
SERIES 1950G Explosion-proof Differential Pressure Switch
RANGE 00
0
1
5
10
20
0.07-0.15″ w.c.
0.15-0.5″ w.c.
0.4-1.6″ w.c.
1.4-5.5″ w.c.
3.0-11.0″ w.c.
4.0-20.0″ w.c.
DIAPHRAGM B Buna-N
INPUT VOLTAGE SUPPLY 120
240
24
120 VAC
240 VAC
24 VDC
OPTIONS AT
NA
PRESET
ST
Aluminum Tag
Non-ATEX Approved
Preset
Stainless Steel Tag
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User Guide and Instruction manual for DWYER 1950G

You can request the necessary certificates, documentation, instructions and user manuals for DWYER 1950G using the special form.

You can buy DWYER 1950G in UK or Europe at a price starting from 530.4 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER 1950G price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.