Maintenance
11 Maintenance
WARNING
Risk of injury due to uncontrolled evasion of the medium!
If the pressure was not relieved completely, the medium can evade uncontrolled.
Completely relieve pressure in the pipes prior to
dismounting/maintenance/dismantling.
In case of harmful, flammable, or explosive media: Completely empty and rinse
pipe prior to dismounting. Pay attention to potential residues.
Make sure that the medium is caught safely with the appropriate measures.
Difficult opening, due to pretensioned spring.
completely relaxed before opening the bonnet assembly (top part). To do so, turn the
spindle counterclockwise (P-), up to the end position.
CAUTION
Risk of injury and missing product quality through use of spare parts that have
not been provided by GF Piping Systems!
Only use the listed spare parts, see Chapter List of Spare Parts.
Set maintenance intervals as per the conditions of use (e.g. actuating cycles, medium,
ambient temperature).
As part of the regular system inspection, carry out the following maintenance activities.
Maintenance interval
regular
regular
regular
38
Maintenance activity
Check sealing element, piston, diaphragm on
functionality and replace, if necessary
Check tightness of housing, pipe connection and control
line.
Clean the inner body
Make sure that the spring is
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