Burkert Type 2301 - Manual (Page 36)

36
Maintenance, cleaning
10.3.3 replacing the packing gland
The seal set for the packing gland contains:
sp10 / sp14
SP10
SP14
• 1 support ring
• 5 chevron seal
• 2 or 3 pressure rings
13)
• 1 pressure spring
• 1 graphite seal
• Lubricant
sp22
• 1 support ring
• 7 chevron seal
• 2 pressure rings
• 1 pressure spring
• 1 spacer
• 1 graphite seal
• Lubricant
Fig. 22: Seal set for packing gland
13)
depending on the spindle diameter
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 control cone removed.
english
Type 2301