Home » Pressure Switches » DWYER 1800 low differential pressure switch for general industrial service

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

Retail price from $109.2

Available

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

Only the best I&C brands

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

Discounts for organisations

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

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

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

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

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

User Guide and Instruction manual for DWYER 1800

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

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You can buy DWYER 1800 in UK or Europe at a price starting from 109.2 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. DWYER 1800 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.