16
EB 8135/8136 EN
Maintenance
4. Unscrew the nut (12). Remove the two re-
taining washers (12.2) and washer
(12.1).
In mixing valves DN 32 to 80, pull bot-
tom sleeve (10.3 or 11.4) off the plug
stem.
5. Lift the bellows housing (5.2) together
with the bellows seal (5) and carefully
pull the plug stem (6) out of the valve
body.
Pull the bellows seal (5) out of the bel-
lows housing and remove the body gas-
ket (1.2).
6.
Carefully clean all the parts and check
them for damage. Renew defective parts.
7. In valves ≥DN 32, remove sleeve (10.1
or 11.1).
Unscrew the top seat (2.1) using a suit-
able seat wrench (see section 5.3).
8.
DN 15 to 25
Remove the plug (3) from the valve body.
DN 32 to 50
Remove the top plug (3.1), sleeve (10.2),
and bottom plug (3.2) from the valve
body.
DN 65/80
Remove the top plug (3.1), sleeves (11.2
and 11.3), and bottom plug (3.2) from
the valve body.
9.
Unscrew the bottom seat (2.2) from the
valve body.
10. Carefully clean all the parts and check
them. If necessary, renew or machine
them.
Assembly
AB
A
B
12.2
12
12.1
1.1
6.1
6.2
5.3
5
5.2
X
5.4
1.2
4.2
4.3
5.1
3.2
Fig. 9:
Mixing valve DN 32 to 50
2.2
2.1
12.1
12.2
12
3
Fig. 10:
Mixing valve DN 15 to 25
Summary of Contents for V2001 Series
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