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Instruction and service manual
Claw vacuum pumps
E
Q
E
Pump ranges
These operating instructions concern the following contact-less operating claw vacuum pumps: Models VLR
The vacuum capacities at atmosphere are 60, 100, 150, 235, 300, 385 and 500 m
curves which show capacity compared to pressure can be found in data sheet D 880.
Description
The ZEPHYR VLR are two shaft, rotary lobe vacuum pumps, where two claws are rotating contact-less and dry in opposite
directions in a housing and are synchronised by a pair of gears. The pumping chamber is oil free. The synchronised drive
gears and the A-side bearings for the rotors are oil lubricated. The drive gears and the A-side bearings are fitted into a
gear chamber which also contain the oil tank. The oil tank is designed so that at all rotational speeds, bearings and gears
are supplied with the correct amount of oil. ZEPHYR 400 and 500 have on the B-Side also greased bearings.
The pumping chamber is separated from the gear chamber using labyrinth seals. The sealing system can be enhanced
with sealing gas (special version).
The VLR 100 - 500 are enclosed in a sound box. The cooling takes place over the coupling fan. The fresh cool air (E) is
sucked in and the warm air is exhausted through the vents (F).
All the pumps are driven by a direct flanged three phase, standard TEFV motor via a coupling (with Elastomer item).
Vacuum can be adjusted to the required levels, however, they are limited to a maximum point (see regulating valve (C)).
Optional extras: As required, non-return valve (ZRK), vacuum tight suction filter (ZVF), motor starter (ZMS), soft starter
(ZAD) and silencing hood (ZBZ).
E
H
A
K
I
Q
N
M
H
F
F
E
K
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A Thomas Industries Company
C
O
F
E
F
F
3
/hr operating on 50 cycles. The pumping
A
C
O
F
E
F
I
VLR
VLR 60
VLR 250
VLR 100
VLR 150
VLR 250
VLR 300
VLR 400
VLR 500
Contents:
Pump ranges
Description
Application
Setting up
Installation
Initial Operation
Maintenance and
Servicing
Trouble Shooting
Appendix
Spare parts lists:
BE 880
1.2.2005
Rietschle Thomas
Schopfheim GmbH
Postfach 1260
VLR 60
79642 SCHOPFHEIM
GERMANY
Fon 0 76 22 / 3 92-0
Fax 0 76 22 / 39 23 00
e-mail:
info.sch@rtpumps.com
www.rtpumps.com/sch
Rietschle Thomas
UK
Bellingham Way
NEW HYTHE
KENT ME20 6XS
UNITED KINGDOM
Fon 0 16 22 / 71 68 16
Fax 0 16 22 / 71 51 15
e-mail:
ukinfo@rtpumps.com
http://www.rtpumps.co.uk
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E 880
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