127
15
54
122
45
47
168
47
168
45
33
15
2
2
14
14
14
28
45
57
50
2
77
24
127
50
157
156
Air
24
Air
2
Counterhold!
9
14
35
34
7
8
6
157
156
120
138
1
33
14
28
(GB-IST-BBZK-0910) 16/26
BARDIANI VALVOLE reserves the right to modify without notice its products, including products already ordered.
Air
12. Assembly of the BBZK - BBYK valve
1.
Pre-heat shutter ring (14)* to approx. 80°C to make
it softer and insert it in shutter slot (2). Insert the ring
in a crosswise manner using a plastic cylindrical tool.
2.
PTFE SHUTTER:
Assembly the P.T.F.E. seal ring (14) on the shutter (2)
and the shutter nut (28).
3.
Fit bushing (122)* into head body (15).
Assemble head body (15) on to the actuator
(127) and tighten ring-nut (54).
4.
BBYK.
Insert seal rings
(156, 157)* into the cap (50).
*Lubricate elastomers with a product suitable for food contact
5. BBYK.
Fit seal rings (47)* and
bushing (168)* on steam barrier
(45).
3. BBYK.
Assemble steam
barrier (45) on to head body
(15) using the clamp (33).
7. BBYK.
Insert seal ring (57) and cap (50) on the steam barrier (45), assemble
the shutter (2) and the actuator (127) together and close with the nut (77).Supply
air to the actuator into the air connection (24).
