Gardner Denver WELCH CRVpro Series, Руководство по эксплуатации

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Description
6 P1700040
3
Description
3.1 Design
The CRVpro series vacuum pumps are oil-sealed, two-stage Rotary vane pumps.
The drive motor is directly flange-mounted onto the motor cover of the pump holder and the pump
shaft and the motor shaft are connected to each other by an elastic coupling.
The bearings of the interior pump body are force-fed lubricated sliding bearings.
1 - SCREW-PLUG FOR OIL FILLING
2 - EXHAUST PORT
3 - OIL INSPECTION GLASS
4 - TYPE PLATE
5 - OIL DRAIN SCREW-PLUG
6 - SUCTION PORT
7 - ROTARY KNOB FOR SETTING THE
GAS BALLAST VALVE
8 - GAS BALLAST AIR PORT
Fig. 1 Rotary vane pump (CRVpro 48+65)
3.2 Area of Application
The range of application of our oil-sealed Rotary vane pumps encompasses the entire field of vacuum
technology, both for use in the laboratory and in industry.
The task is to create an ultimate pressure of 10
-3
mbar (ultimate pressure partial 10
-4
mbar):

as a single vacuum pump

as a fore-vacuum pump for oil diffusion pumps or as turbomolecular pumps
The rotary vane pump can evacuate containers or vacuum installations up into the high vacuum
range.
WARNING!
The rotary vane pump must not be used for extracting explosive gases or vapours. The
rotary vane pump must not be operated in rooms which might contain explosive
gases.
3.3 Scope of Delivery