VAT 650 Series Installation, Operating, & Maintenance Instructions page 79

10. Remove gate and body seal from
sealing ring carefully with a soft tool.
11. Remove grease residues at sealing
ring with lint-and dust-free towel a
little soaked with isopropyl alcohol.
Clean sealing ring and pendulum
plate with lint-and dust-free towel
little soaked with isopropyl alcohol or
in an ultrasonic bath.
12. Clean out valve body with alcohol.
Use an appropriate non metal tool
with a cloth to enter valve body.
Do not enter valve body with hands!
Then blow out valve body with clean
air.
Do not directly expose seals
(actuator and retaining pin
feedthroughs) to air stream!
13. Clean or replace gate seal if
necessary.
Install gate seal to sealing ring
without grease.
14. Clean or replace body seal if
necessary.
Lubricate body with the quantity of
vacuum grease listed in the table to
the right.
15. Install body seal into sealing ring.
16. Deposit vacuum grease on the
bottom side of the body seal
according to drawing below. Pay
attention that the quantity of vacuum
grease listed in the table to the right
is distributed constantly over the
whole circumference.
Apply grease deposit
on this side
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
Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4" - 10"), CC-Link
D e s c r i p t i o n
Valve size
DN100 / 4"
(65040 - . . . . - . . . .)
DN160 / 6"
(65044 - . . . . - . . . .)
DN200 / 8"
(65046 - . . . . - . . . .)
DN250 / 10"
(65048 - . . . . - . . . .)
Valve size
DN100 / 4"
(65040 - . . . . - . . . .)
DN160 / 6"
(65044 - . . . . - . . . .)
DN200 / 8"
(65046 - . . . . - . . . .)
DN250 / 10"
(65048 - . . . . - . . . .)
gate seal
body seal
Quantity of grease [ml]
0.1
0.15
0.2
0.2
Quantity of grease [ml]
0.2
0.25
0.3
0.4
280672EB
2010-12-15
Required tool
Soft tool
(o-ring remover)
VAT cleaning tool
for valve body
(Part No. see
chapter spare
parts /
accessories)
• Soft tool
(o-ring remover)
• Vacuum grease
Vacuum grease
Vacuum grease
79/94