3.1.9 Tightening torques
WARNING
Flange gasket blowout
Death or serious personal injury
‐
Tighten flange bolts according to the
specified torque values.
WARNING
Falling objects
Death or serious personal injury
‐
Tighten the base plate anchor bolts ac-
cording to the specified torque values.
The tables show the recommended torques for base
plate anchor bolts and flange bolts.
The bolt quality must be minimum class 5.8 except for
CR, CRN 95 with optional small base plate which
must be minimum class 8.8.
CR, CRN
Base plate anchor bolts
Bolt size
Torque [Nm]
95 with op-
tional small
base plate
M12
(Ø14 free hole)
65
95
M16
(Ø18 free hole)
100
125-155
M20
(Ø22 free hole)
90
1
190
2
185-255
M24
(Ø26 free hole)
130
1
Applies for pumps fitted with motors up to and including 55 kW.
2
Applies for pumps fitted with motors of 75 kW and up.
CR, CRN
Flange bolts
(DIN/EN, JIS, ANSI)
Bolt size
Torque [Nm]
95
M16
30
M20
90
125-155
M20
90
M24
230
185-255
M20
90
M24
230
M27
300
16
English (GB)
Содержание CRN 125-11
Страница 2: ......