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Operating Instructions
Vacuum pumps
E
B
E
Pump ranges
These operating instructions concern the following oil lubricated rotary vane vacuum pump: CLFH 220 (20).
The vacuum capacity at atmosphere is 220 m
Description
The CLFH 220 is fitted with a mesh filter on the pump inlet. On the exhaust side of the pump an oil mist eliminator is fitted
which has the function of re-circulating oil back into the circulation system, as well as providing high efficiency separation
on the pump exhaust. Situated between the pump housing and the motor, a high efficiency cooling fan pulls air in through
the oil cooler (R), over the double walled cylinder and out through the fan cover, which also provides protection from
accidentally touching the fan when the pump is in operation.
A standard built-in non-return valve on the inlet of the pump seals the pump from the process when the pump is stopped.
This prevents oil moving into the pumping cylinder when the pump is stationary. Excessive oil in the cylinder could cause
an hydraulic lock when the pump is started and hence undue stress on the rotor blades.
All the pumps are driven by a 3 phase motor via a pin and bush coupling.
Prematic AG, Märwilerstrasse 43, 9556 Affeltrangen www.prematic.ch
R
A
/hr operating on 50 cycles.
3
Y
Q
F
D
Q
H
1
K
I
CLFH 220
CLFH 220 (20)
F
E
F
Q
YE 191
1.1.2008
Gardner Denver
Schopfheim GmbH
Postfach 1260
79642 SCHOPFHEIM
GERMANY
Fon +49 7622 / 392 -0
Fax +49 7622 / 392 -300
e-mail: info.sch@
de.gardnerdenver.com
H
K
1
www.gd-elmorietschle.com
Tel. 071 918 60 60, Mail: v-g@prematic.ch
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