Dwyer 2 Items

The Dwyer 1638-2 is a large diaphragm pressure switch designed for low-pressure applications with an operating range of 1 to 3 inches water column (WC). This configuration supports pressure-actuated switching within defined low differential ranges.

The Dwyer AP-7021-153-39 is a diaphragm operated pressure switch with an adjustable 10 to 125 psig range. It uses an SPDT snap acting switch in a general-purpose enclosure and is designed for air, non-corrosive gases, or compatible liquids.