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DWYER 1800 low differential pressure switch for general industrial service

Essential for industrial environments, the Series 1800 Low Differential Pressure Switch for general industrial service combines small size and low price with 2% repeatability for all but the most demanding applications. Set point adjustment inside the mounting stud permits mounting the switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.

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Made in USA. brand DWYER, model 1800

International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE.

Retail price from $109.2

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 UAE supplier of control and measuring instruments from well-known world brands

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Discounts for organisations

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

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Fast delivery across the Middle East

Supply to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Bahrain, Oman and other countries

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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 1800

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES. 

PRODUCT APPLICATIONS

  • Process applications
  • Mechanical equipment control

FEATURES

  • Compact size and repeatability provide a high-value switch for many industrial applications
  • Designed for panel and wall mounting to easily meet mounting requirements in most industrial settings
  • Pressure ranges from 0.07 in w.c. to 85 in w.c. make this switch suitable for a wide range of applications

OPTIONS

  • Weatherproof Housing – 16-ga. steel enclosure with gasketed cover (NEMA 4, IP66) for wet or oily conditions. Withstands 200 hour salt spray test. Wt. 5-1/2 lbs. (2.5 kg). Switch must be factory installed. Change 1823 base number to 1824 and add -WP suffix. Example: 1824-1-WP.
  • Explosion-proof Housing – Cast iron base with aluminum cover. Rated Class I, Group D; Class II, Div. 1 & 2, Groups E,F,G; Class III and NEMA 7 C,D, NEMA 9 E,F,G. Wt. 7-1/2 lbs. (3.4 kg). Switch must be factory installed. Change base number to 1824 and add -EXPL suffix. Example: 1824-1-EXPL.
  • MIL Environmental Construction – Unlisted Model 1820 can be furnished with a special sealed snap switch for protection against high humidity, fungus and/or military applications. Similar to Model 1823 except dead band is slightly greater and some lower set points may not be possible. To order, add suffix -MIL. Example: 1820-2-MIL.

Technical specifications of DWYER 1800

  • Service: Air and non-combustible, compatible gases.
  • Wetted Materials: Consult Factory.
  • Temperature Limits: -30 to 180°F (-34 to 82.2°C). 1823-00, -20 to 180°F (-28.9 to 82.2°C).
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
  • Switch Type: Single-pole double-throw (SPDT).
  • Repeatability: ±2%.
  • Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates.
  • Electrical Connections: 3 screw type, common, normally open and normally closed.
  • Process Connections: 1/8″ female NPT.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Set Point Adjustment: Screw type inside mounting spud.
  • Weight: 1 lb, 5 oz (595 g).
  • Compliance: CE, CSA, FM, UL. NOTE: Optional (-EXPL) Explosion-proof Enclosure does not possess any agency approvals.

How to buy DWYER 1800

Model Description Price
1823-0 Differential pressure switch, range 0.15-.5″ w.c., approx. deadband @ min. set point 0.06, approx. deadband @ max. set point 0.06.
$109.20
1823-00 Differential pressure switch, range 0.07-0.22″ w.c., approx. deadband @ min. set point 0.05, approx. deadband @ max. set point 0.05.
$114.55
1823-1 Differential pressure switch, range 0.3-1.0″ w.c., approx. deadband @ min. set point 0.08, approx. deadband @ max. set point 0.08.
$109.20
1823-10 Differential pressure switch, range 2.0-10″ w.c., approx. deadband @ min. set point 0.18, approx. deadband @ max. set point 0.45.
$109.20
1823-2 Differential pressure switch, range 0.5-2.0″ w.c., approx. deadband @ min. set point 0.10, approx. deadband @ max. set point 0.12.
$109.20
1823-20 Differential pressure switch, range 3-22″ w.c., approx. deadband @ min. set point 0.35, approx. deadband @ max. set point 0.70.
$109.20
1823-40 Differential pressure switch, range 5-44″ w.c., approx. deadband @ min. set point 0.56, approx. deadband @ max. set point 1.10.
$109.20
1823-5 Differential pressure switch, range 1.5-5.0″ w.c., approx. deadband @ min. set point 0.14, approx. deadband @ max. set point 0.28.
$109.20
1823-80 Differential pressure switch, range 9-85″ w.c., approx. deadband @ min. set point 1.30, approx. deadband @ max. set point 3.0.
$109.20
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Accessories for DWYER 1800

Model Description Price
A-302F-A 303 SS Static pressure tip with mounting flange, for 3/16″ I.D. rubber or plastic tubing. 4″ insertion depth, includes mounting screws
$12.40
A-302F-B 303 SS Static pressure tip with mounting flange, for 3/16″ rubber or plastic tubing. 6″ insertion depth, includes mounting screws
$17.00
A-302F-C 303 SS Static pressure tip with mounting flange, for 3/16″ rubber or plastic tubing. 8″ insertion depth, includes mounting screws
$19.35
A-389 Mounting bracket, 16 ga steel, zinc plated and Dichromate dipped for corrosion resistance
$10.90
A-489 4″ 303 SS straight static pressure tip with flange, 1/4″ hose barb.
$9.50
A-491 6″ straight SS static pressure tip with mounting flange, 1/4″ hose barb.
$9.50
A-493 8″ straight SS static pressure tip with mounting flange, 1/4″ hose barb.
$9.90
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Model Chart DWYER 1800

EXAMPLE 1820 00 AT Series 1820-00-AT Low Differential Pressure Switch, range 0.07-0.22″ w.c., with aluminum tag.
SERIES 1820
1823
1824
Low Differential Pressure Switch
Low Differential Pressure Switch with Conduit
Low Differential Pressure Switch without Conduit
RANGE 00
0
1
2
5
10
20
40
80
0.07-0.22″ w.c.
0.15-0.5″ w.c.
0.3-1.0″ w.c.
0.5-2.0″ w.c.
1.5-5.0″ w.c.
2.0-10.0″ w.c.
3.0-22.0″ w.c.
5.0-44.0″ w.c.
9.0-85.0″ w.c.
OPTIONS AT
B
BGAP
EXPL
GOLD
LC
MIL
MR
PRESET
SF
ST
WP
Aluminum Tag
Buna-N Elastomers
B-Gap Micro Switch
Cast Iron Explosion-proof Housing
Gold Contact Switch
Less Conduit
MIL Switch
Manual Reset
Preset
Silicone Free (includes Buna-N Elastomers)
Stainless Steel Tag
Weatherproof Housing
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User Guide and Instruction manual for DWYER 1800

You can request the necessary certificates, documentation, instructions and user guide for DWYER 1800 using the special form.

You can buy DWYER 1800 in UAE at a price starting from 109.2 $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email . DWYER 1800 price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.