Installation, Operating & Maintenance Instructions
Series 650 DN 100-
250 (I.D. 4“ - 10”), DeviceNet
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
266341ED
2012-07-13
64/79
D e s c r i p t i o n
Required tool
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.
gate seal
Soft tool
(o-ring remover)
VAT cleaning tool
for valve body
(Part No. see
chapter spare
parts /
accessories)
body seal
14. Clean or replace body seal if
necessary.
Lubricate body with the quantity of
vacuum grease listed in the table to
the right.
Valve size
Quantity of grease [ml]
Soft tool
(o-ring remover)
Vacuum grease
DN100 /
4”
(650
40
- . . . . - . . . .)
0.1
DN160 / 6”
(650
44
- . . . . - . . . .)
0.15
DN200 / 8”
(650
46
- . . . . - . . . .)
0.2
DN250 / 10”
(650
48
- . . . . - . . . .)
0.2
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.
Valve size
Quantity of grease [ml]
Vacuum grease
DN100
/ 4”
(650
40
- . . . . - . . . .)
0.2
DN160 / 6”
(650
44
- . . . . - . . . .)
0.25
DN200 / 8”
(650
46
- . . . . - . . . .)
0.3
DN250 / 10”
(650
48
- . . . . - . . . .)
0.4
Vacuum grease
Apply grease deposit
on this side
