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5.1 Standard valve version
5.1.1 Stuffing box packing
1. Remove the body nuts (1.1) as well as
the valve bonnet (5) together with the
plug stem and plug from the body.
2. Unscrew the stem connector nut and lock
nut (6.1 and 6.2) from the plug stem.
3. Screw the threaded bushing (5.2) out of
the stuffing box. Pull the plug stem to-
gether with the plug out of the valve
bonnet.
4. Pull all packing parts out of the packing
chamber using a suitable tool. Replace
damaged parts. Clean packing chamber
thoroughly.
5. Remove the gasket (1.2) and carefully
clean sealing faces in the valve body
and on the bonnet.
6. Apply lubricant (order no. 8150-0111)
to all the packing parts and the plug
stem (6).
7. Slide the plug stem with plug into the
valve bonnet.
EB 8015 EN
11
Maintenance – Replacing parts
Fig. 4 · Stuffing box packing
4.2
5.2
5
4.3
4.1
6
5.2
4.2
4.3
6.3
4.1
5
6
4
Packing
4.1 Spring
4.2 PTFE ring packing or
packing rings
4.3 Washer
5
Bonnet
5.2 Threaded bushing
6
Plug stem
6.3 Yoke
Содержание 3241-1
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