Hawle HAWIDO 1703, Руководство пользователя

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-17-
E. Annex
1. Torques
When assembling the base valve and the control valves all bolts are checked with a torque spanner
according to the following list. Lightly grease the bolts before assembling!
Nominal size Hex bolt Strength Tightening torque
B
ase valv
es
DN M class
1
) Target Max.
2
)
40 - 50 M 8
A4/80
22 Nm 25 Nm
65 - 80 M 10 47 Nm 50 Nm
100 M 12 84 Nm 87 Nm
125 - 150 M 16 172 Nm 216 Nm
200 M 20 285 Nm 423 Nm
250 M 20 285 Nm 423 Nm
300 M 20 380 Nm 423 Nm
C
o
n
tr
o
l
va
lves
Type Socket
Strength
Tightening torque
M class
1
) Target Max.
DRV / DAV
M 6 A2 / A4 / 70 8 Nm 8.5 Nm
MBV / RBS
Control Hex bolt Strength Tightening torque
valve M class Target Max.
NAZ M 6 A2 / A4 / 70 8 Nm 8.5 Nm
(Not for new applications)
B
ase valv
es
Nominal size Hex bolt Strength Tightening torque
DN M class
1
) Target Max.
40 - 50 M 8
A2/70
17 Nm 19 Nm
65 M 10 33 Nm 36 Nm
80 M 10 40 Nm 40 Nm
100 M 12 70 Nm 72 Nm
125 - 150 M 16 172 Nm 172 Nm
200 M 20 280 Nm 285 Nm
250 M 20 280 Nm 285 Nm
300 M 20 235 Nm 240 Nm
Attention:
1
) = Note designation on screw head A2
– 70 or A4 – 80!
2
) = Maximum permitted torque according to strength analysis
Bolts according to SN EN ISO 4014 and SN EN ISO 4017
As at: FO 0065, Rev. 12 / 19.12.2017