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B8
Disassembling the valve
Note:
Additional requirements may be found in the actuator (if any) instruction.
For the valve the same safety instructions apply as for the pipe (system) and for the control system to which the
actuator (if any) is connected. The respect of these requirements shall be followed.
Disassembling the valve from the pipe line may only be done when:
• the pipe section is free from pressure and is empty
• all the electronic and/or pneumatic/hydraulic connections have been disconnected
People's life and health is at stake if this is not observed. Any other action is the responsibility of the
Danger
user.
Disassemble the valve in following steps:
1. Depressurise the pipe section and drain it completely.
2. Disconnect all electric and/or pneumatic/hydraulic connections.
3. Fasten and use soft straps if necessary (see also Fig.1 in section A5). Make sure not to damage the valve, gate,
gate guards or any accessory.
4. Take out the valve from the pipe carefully in order to protect the flange gaskets.
5. At transport and storage observe section A5.
C)
Service and maintenance
Note
Additional requirements may be found in the actuator instruction.
The user shall make a risk analysis as per Machinery Directive 2006/42/EC for the pipe system. Stafsjö supplies the
following documents for it:
• The original installation and service instruction of the valve.
• An installation and service instruction of the actuator (if any)
• The Declaration of conformity) to EC Directives.
This instruction includes safety notes for industrial application for any foreseeable risk at use of the
valve. It is the responsibility of the user/planner to complete this instruction with warning notes for
plantspecific risks.
Further information on Stafsjö's valves is available on www.stafsjo.com.
Document: is-VALVE, 22-10-01 issue: 16
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