<3. Installation>
21
IM 01E24A01-01EN
Table 3.3.6 Flange Type Tightening Torque Values for Metal Piping
Tightening torque values for PTFE/Natural Hard Rubber/Natural Soft Rubber lining (N·m)
Gasket types
within sensor
Natural Soft Rubber lining: No gasket (Standard)
PTFE/Natural Hard Rubber lining: Non-asbestos gasket, PTFE-sheathed non-asbestos gasket, or the equivalent in hardness
Gasket types
for user’s ange
Non-asbestos gasket, PTFE-sheathed non-asbestos gasket, or the equivalent in hardness
Flange Rating JIS 10K ASME Class 150 EN PN10 JIS 20K ASME Class 300 EN PN16 EN PN40 JIS F12
Thread
Standards
Size mm
Metric
screw
Metric
screw
Unied
screw
Metric
screw
Metric
screw
Metric
screw
Unied
screw
Metric
screw
Metric
screw
Metric
screw
25 10.3 to 17.2 8.5 to 13.1
―
10.6 to 17.2 11.1 to 17.8
―
8.4 to 13.1
―
32 15.5 to 25.7 11.6 to 17.7
―
16.1 to 25.7 15.0 to 23.3
―
14.7 to 23.0
―
40 18.0 to 29.7 14.3 to 21.4
―
19.0 to 29.7 22.3 to 33.7
―
18.4 to 28.2
―
50 27.0 to 43.8 12.9 to 21.0
―
13.8 to 21.9 13.7 to 21.0
―
29.1 to 42.7
―
65 41.6 to 66.6 19.7 to 31.4
―
20.7 to 33.3 24.2 to 37.5
16.3 to 26.3 ― ―
80 22.2 to 36.0 19.7 to 30.6
―
28.0 to 45.1 24.1 to 36.6 17.3 to 27.5
― 45.3 to 72.1
100 28.9 to 45.8 27.0 to 40.5
―
37.9 to 59.1 33.2 to 48.4 23.2 to 35.7
―
61.0 to 94.6
125 47.1 to 74.4 39.5 to 57.1
―
53.2 to 81.4 41.2 to 57.1 31.0 to 45.9
―
51.7 to 79.4
150 70.4 to 108.0 41.4 to 59.8
―
60.8 to 92.7 51.6 to 72.1 58.0 to 86.4
―
77.1 to 115.2
200 55.8 to 84.1 54.9 to 74.1
69.1 to 103.2
86.4 to 124.4 85.5 to 117.2 47.3 to 68.8
―
70.1 to 100.9
250 95.0 to 139.9 66.3 to 91.8 68.2 to 100.8 140.3 to 193.9 100.3 to 131.0 84.6 to 120.9
―
134.0 to 192.0
300 76.8 to 111.6 75.1 to 97.5 72.4 to 102.3 143.8 to 195.8 158.8 to 201.5 66.0 to 92.1
―
117.3 to 163.3
350 111.9 to 167.8 88.2 to 126.1 82.4 to 117.7
― ― ― ―
184.7 to 268.4
400 169.6 to 251.4 126.4 to 176.9 141.1 to 203.4
― ― ― ―
210.9 to 305.4
Tightening torque values for PTFE/Natural Hard Rubber/Natural Soft Rubber lining (in.·lbf)
Gasket types
within sensor
Natural Soft Rubber lining: No gasket (Standard)
PTFE/Natural Hard Rubber lining: Non-asbestos gasket, PTFE-sheathed non-asbestos gasket, or the equivalent in hardness
Gasket types
for user’s ange
Non-asbestos gasket, PTFE-sheathed non-asbestos gasket, or the equivalent in hardness
Flange Rating JIS 10K ASME Class 150 EN PN10 JIS 20K ASME Class 300 EN PN16 EN PN40 JIS F12
Thread
Standards
Size in.
Metric
screw
Metric
screw
Unied
screw
Metric
screw
Metric
screw
Metric
screw
Unied
screw
Metric
screw
Metric
screw
Metric
screw
1.0 91.2 to 152.2 75.2 to 115.9
―
93.8 to 152.2 98.2 to 157.5
―
74.3 to 115.9
―
1.25 137.2 to 227.5 102.7 to 156.7
―
142.5 to 227.5 132.8 to 206.2
―
130.1 to 203.6
―
1.5 159.3 to 262.9 126.6 to 189.4
―
168.2 to 262.9 197.4 to 298.3
―
162.9 to 249.6
―
2.0 239.0 to 387.7 114.2 to 185.9
―
122.1 to 193.8 121.3 to 185.9
―
257.6 to 377.9
―
2.5 368.2 to 589.5 174.4 to 277.9
―
183.2 to 294.7 214.2 to 331.9
144.3 to 232.8 ― ―
3.0 196.5 to 318.6 174.4 to 270.8
―
247.8 to 399.2 213.3 to 323.9 153.1 to 243.4
― 400.9 to 638.1
4.0 255.8 to 405.4 239.0 to 358.5
―
335.4 to 523.1 293.8 to 428.4 205.3 to 316.0
―
539.9 to 837.3
5.0 416.9 to 658.5 349.6 to 505.4
―
470.9 to 720.5 364.7 to 505.4 274.4 to 406.2
―
457.6 to 702.7
6.0 623.1 to 955.9 366.4 to 529.3
―
538.1 to 820.5 456.7 to 638.1 513.3 to 764.7
―
682.4 to 1019.6
8.0 493.9 to 744.3 485.9 to 655.8
611.6 to 913.4
764.7 to 1101.0 756.7 to 1037.3 418.6 to 608.9
―
620.4 to 893.0
10 840.8 to 1238.2 586.8 to 812.5 603.6 to 892.2
1241.8 to 1716.2
887.7 to 1159.4 748.8 to 1070.1
―
1186.0 to 1699.3
12 679.7 to 987.7 664.7 to 862.9 640.8 to 905.4
1272.7 to 1733.0
1405.5 to 1783.4 584.1 to 815.2
―
1038.2 to 1445.3
14 990.4 to 1485.2 780.6 to 1116.1 729.3 to 1041.7
― ― ― ―
1634.7 to 2375.5
16
1501.1 to 2225.1
1118.7 to 1565.7
1248.8 to 1800.2
― ― ― ―
1866.6 to 2703.0
Installation
3
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