Notice
The valve disk, the bearing disk and the sealing washer are
sensitive parts.
Damage to these parts can result in malfunction.
► When the shaft of the valve disc is pulled out, the stem of the valve disc
must not hit the valve housing!
► The bearing disk and the sealing washer must not hit the stem of the
valve disk when the valve insert is withdrawn.
► Do not set the valve insert down on the valve disk but lay it down.
Spring-closing valve
Carry out the following steps:
1.
Vent the actuator.
®
The valve disk is lowered.
2.
Unscrew the valve disk (17) with an open end spanner.
3.
Remove the seat ring (5) from the housing.
4.
Vent the actuator with compressed air, max. 8 bar.
5.
Remove the clamp connection (43.2) between the lantern and the housing.
6.
Vent the actuator.
®
This completes removal of the valve disk.
Spring-opening valve
Carry out the following steps:
1.
Vent the actuator with compressed air, max. 8 bar.
®
The valve disk is lowered.
2.
Unscrew the valve disk (17) with an open end spanner.
3.
Remove the seat ring (5) from the housing.
4.
Vent the actuator.
5.
Remove the clamp connection (43.2) between the lantern and the housing.
®
This completes removal of the valve disk.
Maintenance
Disassembling Valve X
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Summary of Contents for VARIVENT X
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