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Differential Pressure Mechanical Pressure Switch

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price

$0-$49.99 (4)
$50-$199.99 (3)
$200-$499.99 (4)
$500-$999.99 (5)
$1,000-$9,999.99 (1)

In Stock

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Dwyer (8)
Omega (3)

Pressure, Max

0.15 inH₂O (3)
0.22 inH₂O (1)
0.5 inH₂O (5)
1 inH₂O (2)
1 kPa (1)
1.2 inH₂O (1)

0.15 inH₂O (3)
0.22 inH₂O (1)
0.5 inH₂O (5)
1 inH₂O (2)
1 kPa (1)
1.2 inH₂O (1)
1.5 inH₂O (1)
1.6 inH₂O (4)
2 inH₂O (3)
2 psi (1)
3 inH₂O (1)
3 kPa (1)
4 inH₂O (1)
5 inH₂O (2)
5.5 inH₂O (4)
6 inH₂O (1)
6 psi (1)
8 psi (1)
10 inH₂O (3)
10 psi (1)
11 inH₂O (4)
13 psi (1)
15 psi (1)
20 inH₂O (6)
22 inH₂O (1)
24 inH₂O (1)
25 mmHg (1)
25 psi (3)
44 inH₂O (1)
45 psi (2)
50 mmHg (1)
50 psi (1)
70 psi (1)
85 inH₂O (1)
90 psi (1)
100 mmHg (1)
125 Pa (1)
160 psi (1)
250 Pa (1)
250 psi (1)
500 Pa (1)

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Media Compatibility

Air (8)
Argon (8)
Butane (2)
Carbon dioxide (8)
Combustible Gases (2)
Helium (8)

Air (8)
Argon (8)
Butane (2)
Carbon dioxide (8)
Combustible Gases (2)
Helium (8)
Hydrogen (2)
Methane (2)
Nitrogen (8)
Non-Corrosive Dry Gases (8)
Oxygen (2)
Propane (2)

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Pressure, Min

0.0 inH₂O (1)
0 psi (1)
0.07 inH₂O (4)
0.08 inH₂O (1)
0.12 inH₂O (1)
0.15 inH₂O (5)

0.0 inH₂O (1)
0 psi (1)
0.07 inH₂O (4)
0.08 inH₂O (1)
0.12 inH₂O (1)
0.15 inH₂O (5)
0.2 inH₂O (1)
0.3 inH₂O (1)
0.4 inH₂O (3)
0.5 inH₂O (2)
0.5 psi (1)
0.8 inH₂O (1)
1 psi (1)
1.4 inH₂O (4)
1.5 inH₂O (1)
1.5 psi (1)
2.0 inH₂O (3)
2.0 psi (1)
3.0 inH₂O (4)
3.0 psi (1)
4.0 inH₂O (5)
4.0 psi (1)
4 psi (1)
5.0 inH₂O (1)
8.0 inH₂O (1)
9.0 inH₂O (1)
10 psi (1)
15.0 psi (1)

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Deadband

0 to 0.75 psi (1)
0 to 1 psi (1)
0.04 inH2O (1)
0.04 to 0.05 inH2O (2)
0.04 to 0.06 inH2O (1)
0.05 inH2O (1)

0 to 0.75 psi (1)
0 to 1 psi (1)
0.04 inH2O (1)
0.04 to 0.05 inH2O (2)
0.04 to 0.06 inH2O (1)
0.05 inH2O (1)
0.06 inH2O (1)
0.06 to 0.09 inH2O (1)
0.06 to 0.11 inH2O (1)
0.08 inH2O (1)
0.08 to 0.09 inH2O (1)
0.1 inH2O (1)
0.1 to 0.12 inH2O (1)
0.1 to 0.15 inH2O (1)
0.1 to 0.2 inH2O (1)
0.1 to 0.4 psi (1)
0.11 to 0.29 inH2O (1)
0.14 to 0.28 inH2O (1)
0.15 to 0.16 inH2O (1)
0.15 to 0.2 inH2O (1)
0.15 to 0.35 inH2O (1)
0.18 to 0.45 inH2O (1)
0.25 to 0.65 inH2O (1)
0.3 inH2O (1)
0.3 psi (1)
0.3 to 0.4 inH2O (1)
0.35 to 0.7 inH2O (1)
0.4 inH2O (1)
0.4 to 0.5 inH2O (3)
0.4 to 0.6 inH2O (1)
0.4 to 0.9 inH2O (1)
0.5 to 1.2 inH2O (1)
0.56 to 1.1 inH2O (1)
0.6 to 0.8 inH2O (1)
0.7 psi (1)
0.9 psi (1)
0.9 to 1.8 inH2O (1)
1 psi (1)
1 to 1.4 inH2O (1)
1 to 1.5 psi (1)
1.2 to 3 inH2O (1)
1.3 to 3 inH2O (1)

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Switch Type

(2) SPDT (2)
Selectable (10)
SPDT NO/NC (10)
SPDT with Manual Reset (1)

Compliance

CE (6)
CSA (5)
cULus (1)
FM (5)
UL (5)

compliance

CE (6)
RoHS3 (10)

Proof Pressure

Up to 6 psi (1)
Up to 10 psi (1)
Up to 25 psi (1)
Up to 30 psi (1)
Up to 40 inH2O (1)
Up to 45 inH2O (4)

Up to 6 psi (1)
Up to 10 psi (1)
Up to 25 psi (1)
Up to 30 psi (1)
Up to 40 inH2O (1)
Up to 45 inH2O (4)
Up to 50 inH2O (1)
Up to 70 psi (1)
Up to 90 psi (1)
Up to 150 psi (1)
Up to 9000 psi (1)

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Electrical Connection

1/2 in NPT female Conduit with Screw Terminal block (1)
7/8 in knockout with Screw Terminal block (2)
M20 Female Conduit with Strain Releif and Screw Terminal block (1)
Pigtail Leads (1)
Screw Terminal (7)

Operating Temperature, Max

70.0 °C (2)
107.0 °C (1)
110.0 °F (1)
120.0 °F (1)
130.0 °F (1)
140.0 °F (2)

70.0 °C (2)
107.0 °C (1)
110.0 °F (1)
120.0 °F (1)
130.0 °F (1)
140.0 °F (2)
180.0 °F (2)
185.0 °F (1)

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Process Connection Type

Barbed Fitting (2)
NPT Female (8)
NPT Male and Female (1)

Operating Temperature, Min

0.0 °C (1)
0.0 °F (1)
20.0 °F (1)
32.0 °F (1)
-4.0 °F (1)
-30.0 °F (3)

0.0 °C (1)
0.0 °F (1)
20.0 °F (1)
32.0 °F (1)
-4.0 °F (1)
-30.0 °F (3)
-40.0 °C (1)
-40.0 °F (1)
-54.0 °C (1)

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Process Connection Size

1/4 in (3)
1/4 in x 1/8 in (1)
1/8 in (5)
3/16 in (1)
5/16 in (1)

Materials, Wetted

Consult Factory (7)
Nylon 6.6 (1)
POM (1)
Silicone (1)

Materials

316 Stainless Steel (1)
Aluminum (1)
Brass (2)
Bronze (1)
Neoprene (1)
Polyester (1)

316 Stainless Steel (1)
Aluminum (1)
Brass (2)
Bronze (1)
Neoprene (1)
Polyester (1)
Polysulfone (1)
Stainless Steel (1)

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Pressure Type

Differential (9)

Switch Rating

1.5 A/0.4 A @ 250 Vac (1)
5 A @ 120/240 Vac, 5 A @ 30 Vdc (1)
10 A @ 120/240 Vac/28 Vdc; 50 mA @ 125 Vdc (1)
15 A @ 120-480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac (4)
Mica silver (STD) and phenolic silver: 15A @ 125, 250, 480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac; Phenolic gold: 1A @ 125 Vac (1)

Mounting Orientation

Horizontal Diaphragm (1)
Vertical (1)
Vertical Diaphragm (5)
Vertical with Downward Pressure Ports (1)

Differential Pressure Mechanical Pressure Switch

Grid Table

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11 Products

Added to Your Shopping Cart

Series-1900

Compact Low Differential Pressure Switch, 0.07-20 inH2O, UL/CE/CSA/FM

Compact Low Differential Pressure Switches

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Series-1950

Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O

The Series 1950 Explosion-Proof Differential Pressure Switch features a durable weatherproof housing, external set point adjustment, and is ideal for HVAC and process applications.

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Series-ADPS-EDPS

Adjustable Differential Pressure Switch – 0.08 to 20 inH2O (20 to 5000 Pa)

The Adjustable Differential Pressure Switch monitors pressure and vacuum with an easy-to-use knob. Ideal for HVAC applications, it features a compact design and durable materials.

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Series-MP

Mini-Photohelic Differential Pressure Switch/Gage for Non-Corrosive Gases

The Mini-Photohelic Differential Pressure Switch/Gage measures non-corrosive gas pressures with dual switch points and LED indicators, perfect for fume hoods and clean rooms.

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Series-1620

Pressure Switch for Air Control – High Precision, Leak-Proof, Easy Mounting

Single and Dual Pressure Switch which applies to damper positioning and duct air control. Provides leak-proof construction.

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Series-1950G

Explosion-Proof Differential Pressure Switch, Weatherproof, UL Listed, 24 V

The Dwyer® Series 1950G Explosion-Proof Differential Pressure Switch is weatherproof and UL listed, designed for natural gas and outdoor use, ensuring safety and reliability.

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PSW-150

General Purpose Industrial Differential Pressure Switch

The PSW-150 series are differential 15 A DPDT switches with a fixed deadband and UL listing for general purpose applications.

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PSW-180

Industrial Differential Pressure Switch or Alarm

The PSW-180 series are compact, differential 5 A SPDT switches with the option of a relay or alarm output. They have NEMA-4X housings to withstand harsh environments.

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Series-1800

Compact Low Differential Pressure Switch, 2% Repeatability, UL/CSA/FM Approved

Compact Low Differential Pressure Switches

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PSW845

OEM Mechanical Differential Pressure Switch

The PSW-845 series are economical, compact 250 mA SPDT differential pressure switches with a fixed deadband and excellent bypass characteristics.

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Series-1996

Gas Pressure Switch for Furnaces, SPDT, 1/8" F & 1/4" M, Visible Set Point

Gas Pressure Switch applications in gas furnaces and natural, manufactured or LP gas applications. Compact and low cost. Ideal for high or low gas pressure interlock.

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Differential Pressure Mechanical Pressure Switch

Differential pressure mechanical pressure switches monitor pressure differences between two points, activating equipment at preset thresholds. Reliable and durable for system control.