Burkert 2101 Manuel D'utilisation page 29

Maintenance,Cleaning
10.3.2 replacing the packing gland
The packing gland cannot be replaced for the device
combination ø 70 / orifice 50.
The seal set for the packing gland contains
sp10 / sp14
• 1 support ring
• 7 chevron seals
• 2 pressure rings
• 1 pressure spring
• 1 spindle guide
• 1 graphite seal
• Lubricant
sp22
• 1 support ring
• 7 chevron seals
• 2 pressure rings
• 1 pressure spring
• 1 spacer
• 1 graphite seal
• Lubricant
Fig. 23: Seal set for packing gland
Type 2101
DanGer!
risk of injury from discharge of medium and pressure!
It is dangerous to remove a device which is under pressure due to
the sudden release of pressure or discharge of medium.
▶ Before removing a device, switch off the pressure and vent the
lines.
WarninG!
risk of injury if the wrong tools are used!
It is dangerous to use unsuitable tools for installation work as the
device may be damaged.
▶ To remove the actuator from the valve body, use an open-end
wrench, never a pipe wrench.
▶ To replace the packing gland, use a special installation wrench,
modified socket wrench or a socket wrench.
▶ Observe tightening torques.
Before the packing gland can be replaced, the actuator must be
removed from the valve body and the swivel plate removed.
english
29