Replacing Diaphragm - GF DIASTAR Serie Manual Instrucciones

Instruction Manual
8.2

Replacing diaphragm

WARNING
Risk of injury due to uncontrolled evasion of the medium!
If the pressure was not relieved completely, the medium can evade
uncontrolled. Depending on the type of medium, risk of injury may exist.
 Completely relieve pressure in the pipes prior to dismounting.
 Completely empty and rinse pipe prior to dismounting in connection with
harmful, flammable, or explosive media. Pay attention to potential
residues.
 Provide for safe collection of the medium by implementing appropriate
actions.
WARNING
Replacing PTFE diaphragm!
Damage to property and/or personal injuries due to medium which may exit
uncontrollably or flow out from the pipe or valve.
 If y PTFE diaphragm is used: Replace both, PTFE diaphragm and
backing diaphragm EPDM or FKM.
Drain and de-pressurized the pipeline

Level and pressure sensors display "0".
Fig. 20
 Move the valve into the "open" position, see fig. 20
54
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Maintenance