<3. Installation>
17
IM 01E24A01-01EN
Table 3.3.2 Wafer Type Tightening Torque Values for Metal Piping
Tightening torque values for Natural Hard Rubber/Natural Soft Rubber/Polyurethane Rubber lining (N·m)
Gasket types
within sensor
Natural Soft Rubber/Polyurethane Rubber lining: No gasket (Standard)
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 (Optional code BSF), 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 11.2 to 18.4 8.5 to 12.6 ― 11.8 to 18.4 11.0 to 16.7 ― 8.8 to 12.7 ―
32 12.6 to 20.5 8.2 to 11.7 ― 13.5 to 20.5 10.8 to 15.5 ― 10.5 to 15.2 ―
40 19.5 to 31.3 14.3 to 20.2 ― 21.3 to 31.3 22.8 to 31.9 ― 19.0 to 26.7 ―
50 24.8 to 38.7 22.5 to 33.2 ― 13.0 to 19.3 13.9 to 19.8 ― 25.8 to 33.8 ―
65 39.2 to 59.9 36.4 to 51.9 ― 19.7 to 30.0 23.2 to 35.5 13.8 to 20.9 ― ―
80 21.6 to 33.1 37.0 to 49.2 ― 27.4 to 41.4 23.0 to 33.7 14.8 to 21.5 ― 43.7 to 66.2
100 29.2 to 42.8 24.2 to 31.6 ― 37.7 to 53.5 31.8 to 43.2 20.1 to 26.8 ― 58.9 to 85.6
125 45.9 to 65.6 34.1 to 40.5 52.9 to 71.7 37.8 to 46.2 26.1 to 32.0 ― 49.5 to 69.9
150 44.9 to 58.9 39.4 to 44.9 38.3 to 43.0 ― 33.4 to 43.0 27.3 to 32.7 32.2 to 37.6 ― 48.7 to 62.9
200 36.3 to 43.3 57.5 to 63.2 56.0 to 61.6 36.7 to 42.1 41.3 to 45.5 41.5 to 45.7 42.9 to 47.2 27.1 to 29.8 ― 45.3 to 52.0
Tightening torque values for Natural Hard Rubber/Natural Soft Rubber/Polyurethane Rubber lining (in.·lbf)
Gasket types
within sensor
Natural Soft Rubber/Polyurethane Rubber lining: No gasket (Standard)
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 (Optional code BSF), 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 99.1 to 162.9 75.2 to 111.5 ― 104.4 to 162.9 97.4 to 147.8 ― 77.9 to 112.4 ―
1.25 111.5 to 181.4 72.6 to 103.6 ― 119.5 to 181.4 95.6 to 137.2 ― 92.9 to 134.5 ―
1.5 172.6 to 277.0 126.6 to 178.8 ― 188.5 to 277.0 201.8 to 282.3 ― 168.2 to 236.3 ―
2.0 219.5 to 342.5 199.1 to 293.8 ― 115.1 to 170.8 123.0 to 175.2 ― 228.3 to 299.2 ―
2.5 346.9 to 530.2 322.2 to 459.4 ― 174.4 to 265.5 205.3 to 314.2 122.1 to 185.0 ― ―
3.0 191.2 to 293.0 327.5 to 435.5 ― 242.5 to 366.4 203.6 to 298.3 131.0 to 190.3 ― 386.8 to 585.9
4.0 258.4 to 378.8 214.2 to 279.7 ― 333.7 to 473.5 281.5 to 382.4 177.9 to 237.2 ― 521.3 to 757.6
5.0 406.2 to 580.6 301.8 to 358.5 468.2 to 634.6 334.6 to 408.9 231.0 to 283.2 ― 438.1 to 618.7
6.0 397.4 to 521.3 348.7 to 397.4 339.0 to 380.6 ― 295.6 to 380.6 241.6 to 289.4 285.0 to 332.8 ― 431.0 to 556.7
8.0 321.3 to 383.2 508.9 to 559.4 495.6 to 545.2 324.8 to 372.6 365.5 to 402.7 367.3 to 404.5 379.7 to 417.8 239.9 to 263.8 ― 400.9 to 460.2
Table 3.3.3 Centering Device Identication (Natural Hard Rubber/Natural Soft Rubber/Polyurethane Rubber lining)
Flange Rating
Size
mm (inch)
JIS ASME EN
10K 20K F12 Class 150 Class 300 PN10 PN16 PN40
50 (2.0) B B — B F — — F
65 (2.5) B B — B G — F —
80 (3.0) B F H F C — G —
100 (4.0) B F H C H — F —
125 (5.0) B C C G D — F —
150 (6.0) C D D C E — C —
200 (8.0) C D D D E C C —
*: Each centering device is engraved with a character as identication.
Installation
3
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