Technical Information
Connections to the Inlet and Exhaust Flanges
5
HS452, HS652 Rotary Vane Pumps User Manual / 87-900-978-01 (H) 67/102
NOTE
If rigid piping is used, it is good practice to use a flexible joint in order to avoid
undue forcing of the connection on the pump.
The exhaust duct must be connected to a pipe that will take away the
pumped out gases.
NOTE
Application of an oil trap filter is necessary to avoid pollution of the surrounding
atmosphere by the oil present in the exhaust duct during pump operation.
CAUTION!
Never block the pump exhaust line. This would cause overpressure in the casing
with the risk of breaking the pumping block envelope.
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