(X) of the plug stem to hold the stem
stationary and to prevent the bellows
from turning.
CAUTION!
Do not turn the bellows seal.
Tighten nut (12) to fasten the plug and
sleeves:
Valve DN 15 to 50 DN 65 to 80
Nut (12) 15 Nm 25 Nm
Remove the open-end wrench.
7. Align flange (5.4) to the bellows housing
(5.2), making sure the body gasket (1.2)
is correctly positioned.
Tighten nuts (1.1):
Valve DN 15to
25
DN 32 to
50
DN 65 to
80
Nuts (1.1) M10
10 Nm
M12
30 Nm
M16
90 Nm
Firmly tighten the coupling nut (5.1) with
80 Nm.
8. DN 15 to 50:
Thread the lock nut (6.2) and stem con
-
nector nut (6.1) onto the top end of the
plug stem.
Adjust the stem connector nut (6.1) to
keep the dimension of 50 mm between
the top of the bellows assembly (5) and
the top of the stem connector nut (6.1)
when the plug stem is inserted com
-
pletely into the valve. Refer to the dimen
-
sional diagram on page 23.
Mount the actuator following the instructions
in the corresponding mounting and operat
-
ing instructions.
EB 8135/8136 EN 19
Maintenance–replacing parts
To Next Page
Loading...
Need help?
General
