Pressure Switches

Pressure Switches
Ashcroft
400
B-Series

This general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.

Ashcroft
Type A-Series

The Ashcroft® A-Series pressure switches are designed for tough industrial and OEM applications requiring a durable, high-quality miniature switch.

Ideal for pressure alarm, shutdown, or control on heavy vehicles, machine tools, electronic equipment, engines, compressors, and wherever size is a consideration or equipment is...

Dwyer
Series 1950
Compact, Low Cost, Explosion-proof and Weatherproof

Model 1950 Explosion-Proof Differential Pressure Switch combines the best features of the popular Dwyer® Series 1900 Pressure Switch with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II...

Dwyer
Series 1900
Set Points from 0.07 to 20 W.C. Repetitive Accuracy within 3%

Dwyer's most popular series combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non combustible compatible gases, Series 1900...

Ashcroft
L-Series

This broad Ashcroft® switch series is easy to use and readily retrofits to virtually all process, industrial and OEM applications.

Ashcroft
P-Series

This top-of-the-line Ashcroft® process switch series includes many state-of-the-art features for safety and reliability in virtually all process applications.

Ashcroft
G-Series

This broad Ashcroft® switch series is easy to use and readily retrofits to virtually all process, industrial and OEM applications

Barksdale
D1S, D2S, D1H, D2H Series
Barksdale
D1T, D2T Series
Barksdale
CD1H, CD2H Series
Barksdale
Series B1S, B2S, B1T, B2T
Barksdale
Series B1X, B2X
Barksdale
EPD1S, EPD1H Series
Barksdale
Series DPD1T, DPD2T
Barksdale
Series 9675, A9675
• Hydraulic applications • Machine tools • Compressors • Mining • Specialty vehicles • Lubrication equipment • Metal working
Barksdale
E1S, E1H Series
Barksdale
Series 9671X, 9681X, 9692X
Barksdale
Series 96201, 96211, 96221
Dwyer
Series 1950G
Explosion-proof, Weatherproof, Compatible with Natural Gases

The Model 1950G Explosion-Proof 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 Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres, Directive 94/...

Dwyer
Series 1640
Visual Set Point Adjustment...Adjustable Null Zone

The unique electric switch design in the 1640 is another Dwyer Instruments, Inc. innovation. The Dwyer® Model 1640 Differential Pressure Switch resembles the Series 1630 switches described on the previous page. The Model 1640, however, is equipped with a single pole, double throw floating contact switch (not snap acting) so it functions as...

Dwyer
Series 1620
High Reliability . . . Repetitive Accuracy within +1%

Dwyer's old faithful switch design is still best where highest precision combined with diaphragm sealed leak proof construction and mounting simplicity are required. Model 1626 and 1627 differential pressure switches are identical in design and construction except that Model 1626 has a single electric switch and Model 1627 has dual...

Ashcroft
700
B-Series

This broad Ashcroft® switch series is ideal for use in virtually all process and industrial applications.