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7 Servicing/Maintenance
7 Servicing/Maintenance
7.1 Safety regulations
DANGER
Valve under pressure
Risk of injury!
Leakage of hot and/or toxic fluids!
Risk of burns!
▷ Depressurise the valve and its surrounding system prior to any maintenance
work and installation work.
▷ If there is fluid leakage, depressurise the valve.
▷ Allow the valve to cool down until the temperature of the fluid in all valve
areas in contact with the fluid is lower than the fluid's vaporisation
temperature.
▷ Use original spare parts and appropriate tools, even in emergencies.
The operator ensures that maintenance, inspection and installation are performed by
authorised, qualified specialist personnel who are thoroughly familiar with the
manual.
WARNING
Fluids handled, consumables and supplies which are hot and/or pose a health
hazard
Risk of injury!
▷ Observe all relevant laws.
▷ When draining the fluid take appropriate measures to protect persons and the
environment.
▷ Decontaminate valves used in fluids posing a health hazard.
WARNING
Actuator parts moving due to pre-loaded springs when auxiliary energy supply
fails
Risk of injury!
▷ Observe the actuator's operating manual.
A regular maintenance schedule will help avoid expensive repairs and contribute to
trouble-free, reliable operation of the valve with a minimum of servicing/
maintenance expenditure and work.
NOTE
Before removing the valve from the piping, ensure that the pipe has been taken
out of service and released for repair/maintenance work.
NOTE
All maintenance work, service work and installation work can be carried out by KSB
Service or authorised workshops. Find your contact in the attached Addresses
booklet or visit https://www.ksb.com/en-global/contact.
Never use force when dismantling and reassembling the valve.
MIL 41000
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