We have Diaphragm type Differential Pressure Switches and Piston type Differential Pressure Switches. We also have DP Switches with very High static Pressure, called as High proof DP Switches. These DP Switches are used for annunciation and control of Differential Pressure across Filters, Strainers, Blower Fans, Heat Ex-changers or, Pumps. We have Fixed Differential type DP Switches and Adjustable Differential type DP Switches. These type of Switches are available in Weatherproof...