Pressure Switches
This general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.
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...
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'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...
This broad Ashcroft® switch series is easy to use and readily retrofits to virtually all process, industrial and OEM applications.
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.
This broad Ashcroft® switch series is easy to use and readily retrofits to virtually all process, industrial and OEM applications
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/...
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'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...
This broad Ashcroft® switch series is ideal for use in virtually all process and industrial applications.






























