Installation, Operating & Maintenance Instructions
Series 612 DN 40-50 (I.D. 1.5“ - 2”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
289419EB
2011-12-12
46/60
Description
Required tool
R
e
move val
v
e
fr
o
m
system
1. Note: Make sure that the valve is in closed position
2. Vent vacuum system, disconnect electrical connections and remove valve
from vacuum system. If you only replace control and actuating unit, the
valve can remain in the system.
Note: Take care not to damage the sealing surface!
Attention!
Do not move the plate by hands when control and actuating unit is installed.
Depending on
flange screws
3. Unfasten clamp coupling
Allen Wrench
2mm
Re
m
o
ve cont
ro
l and actuat
ing
un
it
fr
om val
v
e
uni
t
4. Unfasten the 2 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
R
e
move p
lat
e
5. Unfasten screws and remove plate
from shaft.
Allen Wrench
3mm
12 mm
