Dual-Seal Pressure-Responsive Device
The Presco-Switch is a Dual-Seal pressure-responsive device that opens or closes one or more integral electrical switches at predetermined setpoints in order to start or stop pump motors for pump jacks and electric submersible pump systems, stop gas engines, control valve operations and shutdown wellhead and flowline pressure.
- Convenient microswitch adjustments make field setting easy
- Versatile switching arrangements satisfy most applications
- Switch housings explosion-proof design is CSA approved for Class 1 Div.1 Group D hazardous locations
- Dual-Seal design is certified to meet ANSI/ISA12.27.01-2003 requirement for process sealing between electrical systems and combustible process fluids. Comes with weep holes for primary seal indication.
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