Torque Values Rtj (b16.5) 131v2m
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RECOMMENDED BOLT TORQUE REQUIREMENTS
For Ring Type t Gaskets
ASME B16.5
BOLT MATERIALS - ASTM A193 B7, B16 & ASTM A320 L7
CLASS 150
CLASS 300
Recommended Minimum Torque Values (Nm)
Recommended Minimum Torque Values (Nm)
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
½''
4
½
276
40
59
90
½''
4
½
276
40
59
90
¾''
4
½
276
40
59
90
¾''
4
⅝
276
79
116
178
1''
4
½
276
40
59
90
1''
4
⅝
276
79
116
178
1¼''
4
½
276
40
59
90
1¼''
4
⅝
276
79
116
178
1½''
4
½
276
40
56
90
1½''
4
¾
276
139
203
313
2''
4
⅝
276
79
116
178
2''
8
⅝
276
79
116
178
2½''
4
⅝
276
79
116
178
2½''
8
¾
276
139
203
313
3''
4
⅝
276
79
116
178
3''
8
¾
276
139
203
313
4''
8
⅝
276
79
116
178
4''
8
¾
276
139
203
313
5''
8
¾
276
139
203
313
5''
8
¾
310
156
229
352
6''
8
¾
276
139
203
313
6''
12
¾
310
156
229
352
8''
8
¾
276
139
203
313
8''
12
⅞
310
249
366
565
10''
12
⅞
276
221
325
502
10''
16
1
276
330
485
748
12''
12
⅞
276
221
325
502
12''
16
1⅛
276
479
708
1098
14''
12
1
276
330
485
748
14''
20
1⅛
276
479
708
1098
16''
16
1
276
330
485
748
16''
20
1¼
276
668
992
1543
18''
16
1⅛
276
479
708
1098
18''
24
1¼
276
668
992
1543
20''
20
1⅛
276
479
708
1098
20''
24
1¼
310
752
1116
1736
24''
20
1¼
276
668
992
1543
24''
24
1½
310
1329
1988
3108
Please note: These torque values are only valid for the type of bolting, gasket and lubricant as specified. These torque values are indicative for general purpose applications. In cases where high temperature conditions, thermal or pressure cycling, vibration or severe misalignments are present, please Klinger Mzansi for advice.
Klinger Mzansi (Pty) Limited Tel: +27 (0)11 824 6300 | Fax: +27 (0)11 827 9142 Email: [email protected] | Website: www.klinger.co.za
Torque Procedure: 1. Ensure that all gasket sealing faces are clean and defect free. 2. Ensure that all friction bearing surfaces are clean and well lubricated. 3. Ensure that the gasket is of the correct material and size. 4. Ensure that initial flange alignment is within 1mm per 200mm diameter. 5. Hand tighten all nuts. 6. Torque nuts following a cross pattern in stages ie 30%, 60% and 100% of final torque value. 7. Do a final check in a clocklwise or anticlockwise direction at the final torque value. 8. The final flange alignment must be within 0.5mm. 9. Retorque as required for high temperature or cyclic applications.
RECOMMENDED BOLT TORQUE REQUIREMENTS
For Ring Type t Gaskets
ASME B16.5
BOLT MATERIALS - ASTM A193 B7, B16 & ASTM A320 L7
CLASS 600
CLASS 900
Recommended Minimum Torque Values (Nm)
Recommended Minimum Torque Values (Nm)
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
½''
4
½
276
40
59
90
½''
4
¾
276
139
203
313
¾''
4
⅝
276
79
116
178
¾''
4
¾
276
139
203
313
1''
4
⅝
276
79
116
178
1''
4
⅞
276
221
325
502
1¼''
4
⅝
310
89
130
200
1¼''
4
⅞
276
221
325
502
1½''
4
¾
276
139
203
313
1½''
4
1
276
330
485
748
2''
8
⅝
310
89
130
200
2''
8
⅞
276
221
325
502
2½''
8
¾
276
139
203
313
2½''
8
1
276
330
485
748
3''
8
¾
310
156
229
352
3''
8
⅞
310
249
366
565
4''
8
⅞
310
249
366
565
4''
8
1⅛
310
539
797
1235
5''
8
1
310
371
545
842
5''
8
1¼
310
752
1116
1736
6''
12
1
310
371
545
842
6''
12
1⅛
310
539
797
1235
8''
12
1⅛
310
539
797
1235
8''
12
1⅜
310
1014
1511
2356
10''
16
1¼
310
752
1116
1736
10''
16
1⅜
310
1014
1511
2356
12''
20
1¼
310
752
1116
1736
12''
20
1⅜
310
1014
1511
2356
14''
20
1⅜
310
1014
1511
2356
14''
20
1½
345
1477
2209
3453
16''
20
1½
310
1329
1988
3108
16''
20
1⅝
345
1893
2839
4447
18''
20
1⅝
310
1704
2555
4002
18''
20
1⅞
345
2951
4444
6984
20''
24
1⅝
310
1704
2555
4002
20''
20
2
345
3599
5430
8545
24''
24
1⅞
310
2656
4000
6286
24''
20
2½
310
6410
9728
15369
Please note: These torque values are only valid for the type of bolting, gasket and lubricant as specified. These torque values are indicative for general purpose applications. In cases where high temperature conditions, thermal or pressure cycling, vibration or severe misalignments are present, please Klinger Mzansi for advice.
Klinger Mzansi (Pty) Limited Tel: +27 (0)11 824 6300 | Fax: +27 (0)11 827 9142 Email: [email protected] | Website: www.klinger.co.za
Torque Procedure: 1. Ensure that all gasket sealing faces are clean and defect free. 2. Ensure that all friction bearing surfaces are clean and well lubricated. 3. Ensure that the gasket is of the correct material and size. 4. Ensure that initial flange alignment is within 1mm per 200mm diameter. 5. Hand tighten all nuts. 6. Torque nuts following a cross pattern in stages ie 30%, 60% and 100% of final torque value. 7. Do a final check in a clocklwise or anticlockwise direction at the final torque value. 8. The final flange alignment must be within 0.5mm. 9. Retorque as required for high temperature or cyclic applications.
RECOMMENDED BOLT TORQUE REQUIREMENTS
For Ring Type t Gaskets
ASME B16.5
BOLT MATERIALS - ASTM A193 B7, B16 & ASTM A320 L7
CLASS 1500
CLASS 2500
Recommended Minimum Torque Values (Nm)
Recommended Minimum Torque Values (Nm)
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
½''
4
¾
276
139
203
313
½''
4
¾
345
173
254
392
¾''
4
¾
310
156
209
352
¾''
4
¾
345
173
254
392
1''
4
⅞
310
249
366
565
1''
4
⅞
379
304
447
691
1¼''
4
⅞
310
249
366
565
1¼''
4
1
379
453
666
1029
1½''
4
1
310
371
545
842
1½''
4
1⅛
379
659
974
1510
2''
8
⅞
345
277
407
628
2''
8
1
379
453
666
1029
2½''
8
1
310
371
545
842
2½''
8
1⅛
379
659
974
1510
3''
8
1⅛
345
599
885
1372
3''
8
1¼
345
835
1240
1929
4''
8
1¼
345
835
1240
1929
4''
8
1½
379
1625
2430
3798
5''
8
1½
345
1477
2209
3453
5''
8
1¾
379
2618
3935
6174
6''
12
1⅜
310
1014
1511
2356
6''
8
2
379
3958
5973
9399
8''
12
1⅝
345
1893
2839
4447
8''
12
2
379
3958
5973
9399
10''
12
1⅞
345
2951
4444
6984
10''
12
2½
345
7122
10809
17077
12''
16
2
345
3599
5430
8545
12''
12
2¾
379
10502
15972
25272
14''
16
2¼
345
5161
7813
12321
16''
16
2½
345
7122
10809
17077
18''
16
2¾
345
9547
14520
22974
20''
16
3
345
12431
18940
30005
24''
16
3½
345
19888
30387
48235
Please note: These torque values are only valid for the type of bolting, gasket and lubricant as specified. These torque values are indicative for general purpose applications. In cases where high temperature conditions, thermal or pressure cycling, vibration or severe misalignments are present, please Klinger Mzansi for advice.
Klinger Mzansi (Pty) Limited Tel: +27 (0)11 824 6300 | Fax: +27 (0)11 827 9142 Email: [email protected] | Website: www.klinger.co.za
Torque Procedure: 1. Ensure that all gasket sealing faces are clean and defect free. 2. Ensure that all friction bearing surfaces are clean and well lubricated. 3. Ensure that the gasket is of the correct material and size. 4. Ensure that initial flange alignment is within 1mm per 200mm diameter. 5. Hand tighten all nuts. 6. Torque nuts following a cross pattern in stages ie 30%, 60% and 100% of final torque value. 7. Do a final check in a clocklwise or anticlockwise direction at the final torque value. 8. The final flange alignment must be within 0.5mm. 9. Retorque as required for high temperature or cyclic applications.
For Ring Type t Gaskets
ASME B16.5
BOLT MATERIALS - ASTM A193 B7, B16 & ASTM A320 L7
CLASS 150
CLASS 300
Recommended Minimum Torque Values (Nm)
Recommended Minimum Torque Values (Nm)
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
½''
4
½
276
40
59
90
½''
4
½
276
40
59
90
¾''
4
½
276
40
59
90
¾''
4
⅝
276
79
116
178
1''
4
½
276
40
59
90
1''
4
⅝
276
79
116
178
1¼''
4
½
276
40
59
90
1¼''
4
⅝
276
79
116
178
1½''
4
½
276
40
56
90
1½''
4
¾
276
139
203
313
2''
4
⅝
276
79
116
178
2''
8
⅝
276
79
116
178
2½''
4
⅝
276
79
116
178
2½''
8
¾
276
139
203
313
3''
4
⅝
276
79
116
178
3''
8
¾
276
139
203
313
4''
8
⅝
276
79
116
178
4''
8
¾
276
139
203
313
5''
8
¾
276
139
203
313
5''
8
¾
310
156
229
352
6''
8
¾
276
139
203
313
6''
12
¾
310
156
229
352
8''
8
¾
276
139
203
313
8''
12
⅞
310
249
366
565
10''
12
⅞
276
221
325
502
10''
16
1
276
330
485
748
12''
12
⅞
276
221
325
502
12''
16
1⅛
276
479
708
1098
14''
12
1
276
330
485
748
14''
20
1⅛
276
479
708
1098
16''
16
1
276
330
485
748
16''
20
1¼
276
668
992
1543
18''
16
1⅛
276
479
708
1098
18''
24
1¼
276
668
992
1543
20''
20
1⅛
276
479
708
1098
20''
24
1¼
310
752
1116
1736
24''
20
1¼
276
668
992
1543
24''
24
1½
310
1329
1988
3108
Please note: These torque values are only valid for the type of bolting, gasket and lubricant as specified. These torque values are indicative for general purpose applications. In cases where high temperature conditions, thermal or pressure cycling, vibration or severe misalignments are present, please Klinger Mzansi for advice.
Klinger Mzansi (Pty) Limited Tel: +27 (0)11 824 6300 | Fax: +27 (0)11 827 9142 Email: [email protected] | Website: www.klinger.co.za
Torque Procedure: 1. Ensure that all gasket sealing faces are clean and defect free. 2. Ensure that all friction bearing surfaces are clean and well lubricated. 3. Ensure that the gasket is of the correct material and size. 4. Ensure that initial flange alignment is within 1mm per 200mm diameter. 5. Hand tighten all nuts. 6. Torque nuts following a cross pattern in stages ie 30%, 60% and 100% of final torque value. 7. Do a final check in a clocklwise or anticlockwise direction at the final torque value. 8. The final flange alignment must be within 0.5mm. 9. Retorque as required for high temperature or cyclic applications.
RECOMMENDED BOLT TORQUE REQUIREMENTS
For Ring Type t Gaskets
ASME B16.5
BOLT MATERIALS - ASTM A193 B7, B16 & ASTM A320 L7
CLASS 600
CLASS 900
Recommended Minimum Torque Values (Nm)
Recommended Minimum Torque Values (Nm)
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
½''
4
½
276
40
59
90
½''
4
¾
276
139
203
313
¾''
4
⅝
276
79
116
178
¾''
4
¾
276
139
203
313
1''
4
⅝
276
79
116
178
1''
4
⅞
276
221
325
502
1¼''
4
⅝
310
89
130
200
1¼''
4
⅞
276
221
325
502
1½''
4
¾
276
139
203
313
1½''
4
1
276
330
485
748
2''
8
⅝
310
89
130
200
2''
8
⅞
276
221
325
502
2½''
8
¾
276
139
203
313
2½''
8
1
276
330
485
748
3''
8
¾
310
156
229
352
3''
8
⅞
310
249
366
565
4''
8
⅞
310
249
366
565
4''
8
1⅛
310
539
797
1235
5''
8
1
310
371
545
842
5''
8
1¼
310
752
1116
1736
6''
12
1
310
371
545
842
6''
12
1⅛
310
539
797
1235
8''
12
1⅛
310
539
797
1235
8''
12
1⅜
310
1014
1511
2356
10''
16
1¼
310
752
1116
1736
10''
16
1⅜
310
1014
1511
2356
12''
20
1¼
310
752
1116
1736
12''
20
1⅜
310
1014
1511
2356
14''
20
1⅜
310
1014
1511
2356
14''
20
1½
345
1477
2209
3453
16''
20
1½
310
1329
1988
3108
16''
20
1⅝
345
1893
2839
4447
18''
20
1⅝
310
1704
2555
4002
18''
20
1⅞
345
2951
4444
6984
20''
24
1⅝
310
1704
2555
4002
20''
20
2
345
3599
5430
8545
24''
24
1⅞
310
2656
4000
6286
24''
20
2½
310
6410
9728
15369
Please note: These torque values are only valid for the type of bolting, gasket and lubricant as specified. These torque values are indicative for general purpose applications. In cases where high temperature conditions, thermal or pressure cycling, vibration or severe misalignments are present, please Klinger Mzansi for advice.
Klinger Mzansi (Pty) Limited Tel: +27 (0)11 824 6300 | Fax: +27 (0)11 827 9142 Email: [email protected] | Website: www.klinger.co.za
Torque Procedure: 1. Ensure that all gasket sealing faces are clean and defect free. 2. Ensure that all friction bearing surfaces are clean and well lubricated. 3. Ensure that the gasket is of the correct material and size. 4. Ensure that initial flange alignment is within 1mm per 200mm diameter. 5. Hand tighten all nuts. 6. Torque nuts following a cross pattern in stages ie 30%, 60% and 100% of final torque value. 7. Do a final check in a clocklwise or anticlockwise direction at the final torque value. 8. The final flange alignment must be within 0.5mm. 9. Retorque as required for high temperature or cyclic applications.
RECOMMENDED BOLT TORQUE REQUIREMENTS
For Ring Type t Gaskets
ASME B16.5
BOLT MATERIALS - ASTM A193 B7, B16 & ASTM A320 L7
CLASS 1500
CLASS 2500
Recommended Minimum Torque Values (Nm)
Recommended Minimum Torque Values (Nm)
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
Flange NPS
No of Bolts
Bolt Size
RBS (MPa)
µ=0.09 Copperslip
µ=0.14 Chesterton Nickle
µ=0.225 Unlubricated
½''
4
¾
276
139
203
313
½''
4
¾
345
173
254
392
¾''
4
¾
310
156
209
352
¾''
4
¾
345
173
254
392
1''
4
⅞
310
249
366
565
1''
4
⅞
379
304
447
691
1¼''
4
⅞
310
249
366
565
1¼''
4
1
379
453
666
1029
1½''
4
1
310
371
545
842
1½''
4
1⅛
379
659
974
1510
2''
8
⅞
345
277
407
628
2''
8
1
379
453
666
1029
2½''
8
1
310
371
545
842
2½''
8
1⅛
379
659
974
1510
3''
8
1⅛
345
599
885
1372
3''
8
1¼
345
835
1240
1929
4''
8
1¼
345
835
1240
1929
4''
8
1½
379
1625
2430
3798
5''
8
1½
345
1477
2209
3453
5''
8
1¾
379
2618
3935
6174
6''
12
1⅜
310
1014
1511
2356
6''
8
2
379
3958
5973
9399
8''
12
1⅝
345
1893
2839
4447
8''
12
2
379
3958
5973
9399
10''
12
1⅞
345
2951
4444
6984
10''
12
2½
345
7122
10809
17077
12''
16
2
345
3599
5430
8545
12''
12
2¾
379
10502
15972
25272
14''
16
2¼
345
5161
7813
12321
16''
16
2½
345
7122
10809
17077
18''
16
2¾
345
9547
14520
22974
20''
16
3
345
12431
18940
30005
24''
16
3½
345
19888
30387
48235
Please note: These torque values are only valid for the type of bolting, gasket and lubricant as specified. These torque values are indicative for general purpose applications. In cases where high temperature conditions, thermal or pressure cycling, vibration or severe misalignments are present, please Klinger Mzansi for advice.
Klinger Mzansi (Pty) Limited Tel: +27 (0)11 824 6300 | Fax: +27 (0)11 827 9142 Email: [email protected] | Website: www.klinger.co.za
Torque Procedure: 1. Ensure that all gasket sealing faces are clean and defect free. 2. Ensure that all friction bearing surfaces are clean and well lubricated. 3. Ensure that the gasket is of the correct material and size. 4. Ensure that initial flange alignment is within 1mm per 200mm diameter. 5. Hand tighten all nuts. 6. Torque nuts following a cross pattern in stages ie 30%, 60% and 100% of final torque value. 7. Do a final check in a clocklwise or anticlockwise direction at the final torque value. 8. The final flange alignment must be within 0.5mm. 9. Retorque as required for high temperature or cyclic applications.
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