IM-IBR16-03 Issue 12 9
28
18
Fig. 3
Main valve assembly
Note: Item 28 is required for the DN25 (1") size only
17 3
Air vent
assembly
2 6
5
11 10
7
8 3
Frame
Seat
1
Table 1 Recommended tightening torques
Item or mm N m (lbf ft)
2 17 A /F M10 x 30 47 - 50 (35 - 37)
5 17 A /F 50 - 55 (37 - 40)
7 Pozidrive M4 x 6 2.5 - 3.0 (1.8 - 2.2)
17 17 A/F 50 - 55 (37 - 40)
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