Electromagnetic Flowmeter Detector Instruction Manual

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Table 4.1 Bolt length and Nut tightening torque
ANSI class 150 ANSI class 300
Through Bolts Through Bolts
Meter size
P.C.S
Dia-
meter
Length
[mm]
Tightening
torque
[N･m]
P.C.S
Dia-
meter
Length
[mm]
Tightening
torque
[N･m]
15mm 1/2” 4 1/2” 150
12 to 15
4 1/2” 155 25 to 31
25mm 1” 4 1/2” 170
21 to 26
4 5/8” 180 53 to 66
40mm 1 1/2” 4 1/2” 195
32 to 40
4 3/4” 215 96 to 120
50mm 2” 4 5/8” 215
52 to 65
8 5/8” 220 52 to 65
80mm 3” 4 5/8” 225
71 to 88
8 3/4” 240 85 to 106
100m
m
4” 8 5/8” 235
52 to 65
8 3/4” 255 125 to 156
150m
m
6” 8 3/4” 355
104 to 130
12 3/4” 375 138 to 173
200m
m
8” 8 3/4” 430
146 to 183
12 7/8” 460 227 to 284
DIN/BS 10, DIN/BS 16 JIS 10K
Through Bolts Through Bolts
Meter size
P.C.S
Dia-
meter
Length
[mm]
Tightening
torque
[N･m]
P.C.S
Dia-
meter
Length
[mm]
Tightening
torque
[N･m]
15mm 4 M12 150 16 to 19 4 M12 150 10 to 13
25mm 4 M12 165 27 to 34 4 M16 170 22 to 28
40mm 4 M16 190 58 to 72 4 M16 190 32 to 40
50mm 4 M16 205 78 to 98 4 M16 200 43 to 53
80mm 8 M16 210 54 to 67 8 M16 210 27 to 34
100mm 8 M16 220 79 to 99 8 M16 215 37 to 46
150mm 8 M20 340 164 to 205 8 M20 340 70 to 88
(DIN/BS 10)
200mm
8 M20 410 146 to 183
12 M20 410 60 to 75
200mm
(DIN/BS 16)
12 M20 410 156 to 195