OPERATION
Series 110
12/22
Edition 2013-06-26
283289EA
5
Operation
WARNING
Unqualified personnel
Inappropriate handling may cause serious injury or property damage.
Only qualified personnel are allowed to carry out the described work.
WARNING
Movable parts
Human body parts may get jammed and severely injured.
Do not operate before product is installed completely into the vacuum system.
5.1
Normal operation
Valve opens and closes manually.
5.2
Operation under increased temperature
Maximum allowed temperature, see product data sheet.
5.3
Trouble shooting
Failure
Check
Action
See
Leak at gate
Gate seal all
right?
Replace valve
gate
«6.2 Replacement of valve
gate / mechanism unit»
Gate damaged or
contaminated?
Replace valve
gate
«6.2 Replacement of valve
gate / mechanism unit»
Leak at body
Bonnet seal and
sealing surface
all right?
Clean sealing
surface
– if necessary,
replace bonnet
seal
«6.2 Replacement of valve
gate / mechanism unit»,
steps 1 to 4
Bellows all right?
Contact VAT
Table 5-1
If you need any further information, please contact one of our service centers. You will find
the addresses on our website www.vatvalve.com.
