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Thread: Vacuum Pump in a Hazardous Area?
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02-06-2008, 03:11 AM #1
Vacuum Pump in a Hazardous Area?
A customer has asked us to, in our proposal, include a vacuum pump for a Propane based industrial refrigeration system (quite large >5MW). All the gear in the refrgeration system, motors, solenoid valves, controls etc are rated for hazardous areas (Ex'n', Ex'd' Ex'i' etc). What about the vac pump? I presume that it either needs hazardous rating or during servicing two guys are needed one operating the vac pump and the other monitoring the level of HC in the air?
Is there such a beast as a Hazardous rated vac pump?
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