24
33
15
1
45
47
168
47
168
45
33
15
Air
24
Air
2
Counterhold!
9
14
35
34
7
8
6
157
156
120
138
1
33
14
28
Air
24
Air
2
Counterhold!
9
14
35
34
7
8
6
157
156
120
138
1
33
14
28
2
14
14
28
45
57
50
2
77
24
24
77
2
120
50
157
156
BARDIANI VALVOLE reserves the right to modify without notice its products, including products already ordered.
(GB-IST-BBZK-0910) 13/26
11. Disassembly of the BBZK - BBYK valve
1.
Supply air to fitting (24). remo
-
ve clamp (33) between head body
(15) and lower body (1).
2.
Exhaust air from fitting (24), unscrew the nut (77), unscrew shutter (2),
remove the cap (50). Remove, from the same, gaskets (156 e 157) and the
guide bushing (120).
Air
Air
Air
3. BBYP.
Exhaust air from fitting (24), un
-
screw the nut (77), unscrew shutter (2),
remove the cap (50) from the steam barrier
(45) and the gaskets (57).
Air
24
Air
2
Counterhold!
9
14
35
34
7
8
6
157
156
120
138
1
33
14
28
5. P.T.F.E. SHUTTER:
Unscrew shutter nut (28) and remove
shutter ring (14).
4.
Remove shutter ring
(14) to the shutter (2).
6. BBYK.
Remove clamp (33) between head body (15) and
steam barrier (45).
7. BBYK.
Disassemble seal rings (47) and bushing
(168) from steam barrier (45).
