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GE Torque Chart |
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GE General Torque requirements for
non-structural flanges
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This is a general torque chart guide with GE
values. It is supplied only as a reference
in the event you are without technical
assistance from GE. ALWAYS follow
the jobsite or manufacturers recommendations and
specifications. |
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Nominal Bolt Diameter & T.P.I. |
Head Marking 1
Six Radial Lines
Ft. Lbs. |
Head Marking 2
L, CR, B7, HB7
Ft. Lbs. |
Head Marking 3
A2A, A2B, B8M
Ft. Lbs |
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8 - 32 |
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0.8 - 1 |
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0.8 - 1 |
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0.2 - 0.9 |
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10 - 32 |
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2 - 3 |
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2 - 3 |
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1.5 - 2 |
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1/4 - 20 |
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5 - 6 |
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5 - 6 |
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4 - 5 |
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5/16 - 18 |
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9 - 11 |
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9 - 11 |
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8 - 10 |
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3/8 - 10 |
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17 - 21 |
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14 - 17 |
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11 - 14 |
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1/2 - 13 |
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52 - 56 |
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43 - 45 |
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36 - 37 |
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5/8 - 11 |
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98 - 105 |
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81 - 85 |
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68 - 69 |
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3/4 - 10 |
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161 - 178 |
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134 - 144 |
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111 - 117 |
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7/8 - 9 |
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252 - 277 |
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209 - 224 |
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174 - 182 |
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1 - 8 |
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366 - 407 |
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302 - 329 |
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251 - 267 |
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1 1/8 - 8 |
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532 - 606 |
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438 - 490 |
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362 - 397 |
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1 1/4 - 8 |
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699 - 804 |
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573 - 650 |
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472 - 527 |
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1 3/8 - 8 |
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950 - 1102 |
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778 - 891 |
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640 - 722 |
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1 1/2 - 8 |
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1201 - 1400 |
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982 - 1132 |
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807 - 918 |
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Head
marking 1 material: C1A3A, C1A5 |
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Head
marking 2 material: B50A125E, B5F5B3, C1A2A,
C1A2B, C1A3A, C1A3B, C1A3C, C1A3D, C1A5CI, C1A5D1 |
Head
marking 3 material: C1F18A1, C1F19A1, C1F19A2,
C2F9A, C2F10B
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