oil lubricated vacuum pumps u 4.70-630 overload protection by temperature control
DESCRIPTION
Oil Lubricated Vacuum Pumps U 4.70-630 Overload protection by temperature control. Control unit. pump intake. optimum sensor position in the pumphousing is near the outlet. pump outlet. to contactor. Sensor PT 100. - PowerPoint PPT PresentationTRANSCRIPT
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Oil Lubricated Vacuum Pumps U 4.70-630Overload protection by temperature control
Control unit
Sensor PT 100
optimum sensor position in the pumphousing
is near the outletpump outlet
pump intake
to contactor
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Advantages of housing temperature control
Safe detection of all kinds of overheating due to :
Lack of oil Clogged oil cooler Clogged oil separator Defective fan or contacting rotor High ambient temperatures
Oil Lubricated Vacuum Pumps U 4.70-630Overload protection by temperature control
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Temperature sensor Pt 100
Advantages of Becker control unit
> two temperature limits are available
> first limit is intended for warning of operator to check the condition of the machine
> second limit is used to cut off the machine in order to prevend overload
Oil Lubricated Vacuum Pumps U 4.70-630Overload protection by temperature control