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STI S.r.l.
– Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 2071, rev.07 02/2019
– BV
18
9
PARTS LIST GENERAL ASSEMBLY
9.1 BV assembly
Figure 10
– BV assembly
N°
Quantity
Description
1
1
Central body
2
1
Upper body
3
1
Lower body
4
1
Lower shutter
5
1
Piston
6
1
Upper shutter
7
1
Lower shutter cross
8
1
Stem
9
1
Compensator piston
10
1
Piston bush
11
1
Piston Washer
12
1
Valve shutter
13
1
Valve seat
14
1
Compensator sliding ring
15
1
Piston sliding ring
16
2
Sealing ring OR 108
17
1
Sealing ring OR 2062
18
1
Sealing ring OR 3425
19
2
Exhaust
20
1
Sealing ring OR 3150
21
1
Flange bearing
22
1
Lock washer
23
1
Normal nut
24
1
Sealing ring OR 2025
25
1
Sealing ring OR 2037
26
1
Normal nut
27
1
Sealing ring OR 3350
28
1
Sealing ring OR 3400
29
1
Sealing ring OR 2106
30
8
Lock washer
31
4
Screw TCEI
32
4
Screw TCEI
33
1
Flange bearing
34
1
Sealing ring OR 3125
35
1
Sealing ring OR 2081
36
1
Stop ring
37
1
Smalley spring
38
1
Smalley spring
