KROHNE ALTOFLUX 2W IFM 4042K EN - Manual (Page 9)

Part A Installation and Start-up Section 1.6
02/2001
ALTOFLUX 2W 9
1.6 Torques
• Stud bolts: tighten uniformly in diagonally opposite sequence.
See table for number and type.
• 10 Nm ~ 1.0 kpm ~ 7.23 ft × lbf
Meter
size
Pressure
rating
Bolts Max.
torques
Meter
size Flange
class
Bolts
for ANSI
Max.
torques
DN mm PN Nm ft × lbf inches Ib class 150
flanges
Nm ft × lbf
10 40 4 × M 12 7.6 5.5 3 /
8
150 4 Ч 1 /
2
" 3.5 2.5
15 40 4 Ч M 12 9.3 6.7 1 /
2
150 4 Ч 1 /
2
" 3.5 2.5
25 40 4 Ч M 12 22 11 1 150 4 Ч 1 /
2
" 6.7 4.8
50 40 4 Ч M 16 55 31 2 150 4 Ч 5 /
8
” 24 17.4
80 25 8 Ч M 16 47 25 3 150 4 Ч 5 /
8
” 43 31.1
100 16 8 Ч M 16 39 30 4 150 4 Ч 5 /
8
” 34 24.6
150 16 8 Ч M 20 68 47 6 150 8 Ч 3 /
4
" 61 44.1