Samson 3241-1, Монтаж и эксплуатация

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Nominal sizes DN 200 to DN 300:
1. Unscrew the plug (3) from the plug stem
as described in section 5.2.2.
Pull the plug stem (6) together with the
metal bellows (6.6) upwards, out of the
intermediate piece (12).
2. Replace the seal (6.7) and insert a new
plug stem with metal bellows (6.6).
3. Screw on the plug and secure with the
tension ring (3.5), flange (3.6) and
screws (3.7).
5.2.5 Reassembly
1. Insert new gasket (1.2) into the valve
body. Place the intermediate piece (12)
onto the valve body (1), making sure
that the large V-shaped port of V-port
plug faces towards the valve outlet.
Secure with nuts (1.1).
2. Insert new gasket (5.5) into the interme-
diate piece. Place the valve bonnet (5)
onto the intermediate piece and secure
with bolts (5.4) and nuts. Observe the
tightening torques specified in
EB 029 EN.
3. Tighten the threaded bushing (5.2).
4. Loosely screw the lock nut (6.2) and stem
connector nut (6.1) onto the plug stem
extension (6.3) or plug stem.
5. Mount the actuator and adjust the upper
and lower bench range values as de-
scribed in section 2.1.
5.3 Replacing the collar or seal
For version with pressure-balanced plug:
1. Unscrew the stem connector nut and lock
nut (6.1 and 6.2) from the plug stem.
2. Remove the body nuts (1.1) and care-
fully lift off the valve bonnet (5) with plug
stem (6).
3. Screw the threaded bushing (5.2) out of
the stuffing box. Pull plug stem and plug
(3) out of the bonnet.
4. Remove gasket (1.2) and carefully clean
the sealing faces in the valve body and
on the bonnet.
Nominal size DN 40:
5. Pull the packing (4.2), washer (4.3) and
spring (4.1) out of the packing chamber
using an appropriate tool. Replace dam-
aged parts.
6. Push out the bushing (3.2) and replace
the collar (3.1). Clean the packing
chamber thoroughly.
7. Apply lubricant (order no. 8150-0111)
to the bushing (3.2) and push it in
again.
8. Also apply lubricant to the packing
parts, plug stem (6) and the contact
faces of the collar (3.1).
9. Insert the plug stem and plug into the
valve bonnet.
16
EB 8015 EN
Maintenance – Replacing parts