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Leaders in Sealing Integrity
8 In case of emergency
8.1 General
9 Further information
The mentioned planning documents and technical data sheets of Garlock Valves as well as further information
and advice can be obtained – also in other languages – at the following address:
Garlock GmbH, Falkenweg 1, 41468 Neuss – Phone: +49 (0) 21 31 349 – 0, Email: [email protected]
8.2 Trouble and remedy
Note
All repair and maintenance works must be carried out by qualified skilled personnel using
suitable tools and original spare parts.
The safety and danger information above must be observed.
Trouble
Leakage on the flanges
Leakage at the closure
Leakage on the shaft
Torque too high
Valve does not open
Valve does not close
Possible cause
Remedy
Incorrect flanging
Check flange type and re-tighten screws with
prescribed torque acc. to 4.3
– If no improvement increase torque by 10 %
– If still no improvement
-> contact Garlock
Flanges not plane parallel
Re-align flanges and tighten screws with prescribed
torque acc. to 4.3
Debris in the valve
Open empty / flow-free piping Remove debris
Check lining and valve disc for damage
-> Replace defective parts with spare parts kit
Valve disc damaged/
corroded
Open empty / flow-free piping
Check flange connection (see 4.2 measurement C
with inside diameter piping)
-> Replace defective disc with spare parts kit
Lining worn, damaged
Open empty / flow-free piping
Check lining and valve disc for damage
-> Replace defective parts with spare parts kit
Worm shaft twisted (broken)
Open empty / flow-free piping Check lining / valve
disc for damage
-> Replace defective worm shaft
Manual lever / gearing / drive
damaged (defective)
Check dimension data
-> Replace defective parts or replace with
other parts
Summary of Contents for GAR-SEAL
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