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Dwyer Pressure Switches

Dwyer Pressure Switches
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...

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...

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...

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...

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...