Pressure Switches

Dywer pressure switches are light and compact and can be used in HVAC/R applications, process and even all-weather applications. Find a wide selection of these switches to fit your application.


Dwyer DA/DS Series Bourdon Tube Pressure Switches with Weather-Proof Housing-

Dwyer DA/DS Series Bourdon Tube Pressure Switches with Weather-Proof Housing

The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.


Dwyer MDA Series Miniature Adjustable Pressure Switches-

Dwyer MDA Series Miniature Adjustable Pressure Switches

Features field adjustable set point and gold inlay contacts. Air or other compatible fluids can be used on the "high side". The lightweight and compact size make the MDA ideal for any application with space constraints. Applications include industrial, HVAC/R, pump and motor control, medical, automotive, pools and spas.


Dwyer MDS Series Miniature Pressure Switches-

Dwyer MDS Series Miniature Pressure Switches

The Series MDS Pressure Switch is designed with a double diaphragm to protect false actuation due to shock and vibration. This low cost pressure switch has a minimum 20 million cycle life expectancy, and an extremely fast response time, making this an ideal device for OEM orders.


Dwyer SA1100 Series Diaphragm Operated Pressure Switches-

Dwyer SA1100 Series Diaphragm Operated Pressure Switches

Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi (206 bar). The rolling diaphragm design maintains a constant effective area to minimize friction. This results in a minimum deadband as low as 5% of full scale.


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