Bürkert 2012, Руководство по обслуживанию

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Replacing the packing gland
Type 2000, 2002, 2012
6 replacinG The packinG Gland
concerns valves with identification “R” in the actuator sizes: F (80 mm),
G (100 mm),
h (125 mm)
Danger!
risk of injury from discharge of medium and release of pressure!
▶
Before removing a device, switch off the pressure and vent the lines!
The seal set for the packing gland contains:
item description item description
13 Chevron seal (7 pieces) 7 Spindle guide
Upper
chevron seal
Upper pressure ring
Pressure spring
Lower pressure ring
Lower chevron seal
Spindle guide
P
ushing
dir
ection
for
packing
gland
par
ts
actuator size f (r) Actuator sizes G (R), H (R)
7
13
13
Figure 3: Pushing direction for packing gland parts
Warning!
Risk of injury if the wrong tools are used!
▶
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 (see chapter “10” ).
▶
Observe tightening torques!
english