Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4“ - 10”), CC-Link
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
280672EB
2010-12-15
83/94
D e s c r i p t i o n Required tool
39. If necessary adjust pendulum plate:
a. Move pendulum plate a little towards
open (e.g. position 1% of full stroke)
b. Use adjustment screw at flange side
of actuator (1 turn clockwise adjusts
pendulum plate by about 3mm
towards open).
c. Restart valve in menu
‘System/Recovery’
d. Check pendulum plate position
according step 38 and redo
adjustment procedure if necessary.
Adjusting screw mounted either in actuator
position «B1 standard» or «B2 option»
Allen wrench
2mm
40. Clean the valve sealing surface
Lint-and dust-
free towel a little
soaked with
isopropyl alcohol
41. Clean the valve bonnet o-ring
Lint-and dust-
free towel
42. Mount valve bonnet.
• Tightening torques for bonnet
screws, see in table to the right.
Max. torque 6 Nm
Allen wrench
5mm
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