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A check valve and a filter must be installed on the suction inlet
on vacuum pumps
The vacuum with disposable oil lubrication is adjusted via two oilers located in correspondence of the support bearings
as well as with 2 holes on the internal circumference for housing Allen screws
a very low water absorption and excellent mechanical performance
MICRO Digital Vacuum Switch Micro Switch Variants:12 05 11 P A check valve and aMicro digital vacuum switches If accurately calibrated and compensated for temperatures, these small devices are able to give very precise digital signals to the set maximum measuring value. The switching point, which is within the scale value, can be easily programmed by means of an adjustment screw located on the upper part of the device. A red LED near the screw indicates the digital output signal commutation status. The pressure differential