33
42
1
Air
24
Air
2
Counterhold!
9
14
35
34
7
8
6
157
156
120
138
1
33
14
28
15
33
42
108
14
30
14
28
14
30
212
45
33
15
77
30
24
24
33
45
42
57
50
108
120
50
157
156
(GB-IST-BBZK-0910) 18/26
BARDIANI VALVOLE reserves the right to modify without notice its products, including products already ordered.
13. Disassembly of the BBZK - BBYK divert valve
1.
Supply air to fitting (24). Remove
clamp (33) between upper body (42)
and lower body (1).
Air
Air
2.
Exhaust air from fitting (24).
Air
24
Air
2
Counterhold!
9
14
35
34
7
8
6
157
156
120
138
1
33
14
28
3.
Loosen nut (77). Unscrew double
shutter (30).
4a. STANDARD
SHUTTER:
Remove shutter
rings (14).
4b. P.T.F.E.
SHUTTER:
Unscrew il dado
otturatore (28)
from the double
shutter stem
(212), remove
from the double
shutter (30) the
P.T.F.E. seal ring
(14).
7.
Remove the cap (50). Remove
the seal rings (156 and 157) and
the guide bushing (120).
8. BBYK.
Remove clamp (33)
between head body (15) and ste-
am barrier (45). Remove steam
barrier (45).
6.
Remove clamp (33) and upper
body (42) from head body (15) remove
seal ring (108) from upper body (42).
5. BBYK.
Remove clamp (33), remove upper body (42)
and the cap (50) from steam barrier (45). Remove seal
ring (57) from steam barrier (45). Remove seal ring
(108) from upper body (42).
