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OPL200

$150.00 $100.00

Murphy 4-1/2 inch (114 mm) diameter dial pressure Switchgauge instruments accurately and reliably measure and indicate pressures in applications such as gas compressors control panels, Read More…

Specsheet: Download PDF
Instruction Manual: Download PDF

Murphy 4-1/2 inch (114 mm) diameter dial pressure Switchgauge instruments accurately
and reliably measure and indicate pressures in applications such as gas compressors
control panels, pumping applications, industrial process applications, etc. The
Switchgauge versions incorporate adjustable switch contacts which operate in unison
with the indicating dial readout to operate alarms, shutdown or automation processes.
The OPL series is a flange mounting, indicating pressure gauge and switch. Adjustable
high and low limit ungrounded contacts are used to operate alarm, shutdown or start-
stop circuits. Pointer closure against either of the adjustable contacts completes the
pilot-duty circuit. A SPDT toggle switch is provided to override the low limit contact for
equipment start-up. Suitable for engines or electric motors with appropriate Murphy
Magnetic Switch or Transformer Relay assembly.
Ratio Switch Settings
Specsheet: Download PDF
Instruction Manual: Download PDF

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Premium quality

eco-friendly

lightweight

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