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Toshiba LF414 User Manual

Page 25

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6F8A0870

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

100mm

4” 8 5/8” 235 52 to 65

8

3/4”

255

125 to 156

150mm

6” 8 3/4” 355

104 to 130

12

3/4”

375

138 to 173

200mm

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