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Originally Posted by Richard Wallace
What if the off board compressor is pumping into a closed system without a pressure switch?
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If the on-board system does not have a pressure switch, then the pressure switch is on the off-board side. So the compressor will cycle properly. The more interesting case is if the pressure switch is on the on-board side, and the vent plug is closed. ...
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I suppose one might connect the off-board compressor to the robot's pneumatic system and forget to open the on board shutoff valve.
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Same problem as not opening the off-board vent plug. In either case, the Pressure Relief Valve on the compressor side would prevent excessive pressure buildup.