Installation, Operating & Maintenance Instructions
Series 612 DN 250 (I.D. 10”), EtherCAT
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
282408EB
2012-04-23
69/81
Description
Required tool
Re
move
val
ve from
system
1. Vent vacuum system, disconnect electrical connections and remove valve
from vacuum system.
Note:
You do not need to remove the valve from the vacuum system to
replace the control and actuating unit.
Depending on
flange screws
Re
move
con
trol a
nd
actua
ting
un
it
from valve
un
it
2. Unfasten clamp coupling.
Note:
If you can not access the coupling
screw, turn plate by hand until you can
access the coupling screw with Allen
Wrench.
Allen Wrench
2mm
3. Unfasten and remove the 4
connection bolts and separate both
parts.
Note:
Valve size DN 160 (6”) and bigger
require a shortened wrench.
For ordering number refer to «Spare
parts and accessories».
Allen Wrench
3mm
Re
move
pla
te
4. Unfasten all screws and remove plate
from shaft.
Allen Wrench
3mm
Re
move
an
d cle
an
mech
an
ica
l un
it
5. Unfasten alternately the 2 mounting
screws little by little.
Note:
If only one screw is fasten /
unfasten, the mechanical unit will be
damaged. Max. difference should be less
than 1 turn or 0.5 turn of the screws.
Allen Wrench
3mm
12 mm
