Table 3.3.9 Wafer Type Tightening Torque Values for Metal Piping and Permeable Fluids
Tightening torque values for PFA lining type
Gasket types
withinowtube
No gasket (standard)
Gasket types
foruser’sange
PTFE-sheathed non-asbestos gasket (optional codes BCF and BSF), or the equivalent in hardness
Flange
ratings
Size
mm (inch)
JIS 10K
ANSI
Class 150
DIN PN10 JIS 20K
ANSI
Class 300
DIN PN16 DIN PN40
JIS F12
(JIS 75M)
JPI
Class 150
50 (2.0)
66.2 to 76.1
{675.1 to 776.0}
[585.9 to 673.5]
66.2 to 76.1
{675.1 to 776.0}
[585.9 to 673.5]
―
33.1 to 38.0
{337.5 to 387.5}
[292.9 to 336.3]
33.1 to 38.0
{337.5 to 387.5}
[292.9 to 336.3]
―
71.2 to 118.6
{726.0 to 1209}
[630.1 to 1050]
―
65.7 to 69.7
{670.9 to 711.0}
[581.9 to 616.7]
65 (2.5)
89.5 to 102.9
{912.6 to 1049}
[792.1 to 910.7]
89.5 to 102.9
{912.6 to 1049}
[792.1 to 910.7]
―
44.9 to 51.6
{457.9 to 526.2}
[397.4 to 456.7]
44.9 to 51.6
{457.9 to 526.2}
[397.4 to 456.7]
81.8 to 103.2
{834.1 to 1052}
{724.0 to 913.4]
― ―
—
80 (3.0)
51.3 to 59.0
{523.1 to 601.6}
[454.0 to 522.2]
111.3 to 118.4
{1135 to 1207}
[985.0 to 1048]
―
58.1 to 66.8
{592.5 to 681.2}
[514.2 to 591.2]
58.1 to 66.8
{592.5 to 681.2}
[514.2 to 591.2]
58.1 to 66.8
{592.5 to 681.2}
[514.2 to 591.2]
―
100.8 to 115.9
{1028 to 1182}
[892.1 to 1026]
102.5 to 108.7
{1046 to 1109}
[907.7 to 962.0]
100 (4.0)
66.7 to 76.7
{680.2 to 782.1}
[590.3 to 678.8]
66.7 to 76.7
{680.2 to 782.1}
[590.3 to 678.8]
―
76.1 to 87.5
{776.0 to 892.3}
[673.5 to 774.4]
76.1 to 87.5
{776.0 to 892.3}
[673.5 to 774.4]
76.1 to 87.5
{776.0 to 892.3}
[673.5 to 774.4]
―
129.8 to 149.3
{1324 to 1522}
[1149 to 1321]
65.7 to 69.6
{670.1 to 710.0}
[581.2 to 615.9]
125 (5.0)
106.1 to 122.0
{1082 to 1244}
[939.0 to 1080]
106.1 to 122.0
{1082 to 1244}
[939.0 to 1080]
―
114.5 to 131.7
{1168 to 1343}
[1013 to 1166]
114.5 to 131.7
{1168 to 1343}
[1013 to 1166]
114.5 to 131.7
{1168 to 1343}
{1013 to 1166]
―
109.6 to 126.0
{1118 to 1285}
[970.0 to 1115]
—
150 (6.0)
122.2 to 140.5
{1246 to 1433}
[1082 to 1243]
122.2 to 140.5
{1246 to 1433}
[1082 to 1243]
―
86.8 to 99.8
{885.1 to 1018}
[768.2 to 883.3]
86.8 to 99.8
{885.1 to 1018}
[768.2 to 883.3]
129.8 to 136.9
{1324 to 1396}
{1149 to 1212]
―
125.6 to 144.4
{1281 to 1472}
[1112 to 1278]
114.2 to 115.3
{1165 to 1177}
[1010 to 1021]
200 (8.0)
111.6 to 128.3
{1138 to 1308}
[987.7 to 1136]
161.0 to 192.3
{1642 to 1961}
[1425 to 1702]
161.0 to 192.3
{1642 to 1961}
[1425 to 1702]
122.0 to 140.3
{1244 to 1431}
[1080 to 1242]
122.0 to 140.3
{1244 to 1431}
[1080 to 1242]
122.0 to 140.3
{1244 to 1431}
[1080 to 1242]
―
128.0 to 147.2
{1305 to 1501}
[1133 to 1303]
156.7 to 158.3
{1599 to 1615}
[1387 to 1401]
250 (10)
167.7 to 192.9
{1710 to 1967}
[1484 to 1707]
167.7 to 192.9
{1710 to 1967}
[1484 to 1707]
167.7 to 192.9
{1710 to 1967}
[1484 to 1707]
― ― ― ―
227.6 to 261.7
{2321 to 2669}
[2014 to 2316]
172.3 to 175.8
{1758 to 1794}
[1525 to 1556]
300 (12)
115.2 to 137.6
{1175 to 1403}
[1020 to 1218]
146.0 to 167.9
{1489 to 1712}
[1292 to 1486]
146.0 to 167.9
{1489 to 1712}
[1292 to 1486]
― ― ― ―
209.1 to 240.5
{2132 to 2452}
[1851 to 2129]
199.8 to 203.9
{2039 to 2080}
[1768 to 1805]
Tightening torque values for Ceramics lining type
Gasket types
withinowtube
Fluororesinwithceramicllers(Valqua#7020)gasket(standard),oruororesinwithcarbongasket(optionalcodeGF)
Gasket types
foruser’sange
PTFE-sheathed non-asbestos gasket (optional codes BCF and BSF), or the equivalent in hardness
Flange
ratings
Size
mm (inch)
JIS 10K
ANSI
Class 150
DIN PN10 JIS 20K
ANSI
Class 300
DIN PN16 DIN PN40
JIS F12
(JIS 75M)
50 (2.0)
56.5 to 94.2
{576.1 to 960.6}
[500.1 to 833.7]
57.0 to 95.0
{581.2 to 968.7}
[504.5 to 840.8]
―
27.7 to 46.1
{282.5 to 470.1}
[245.2 to 408.0]
27.9 to 46.5
{284.5 to 474.2}
[246.9 to 411.6]
―
56.5 to 94.2
{576.1 to 960.6}
[500.1 to 833.7]
―
80 (3.0)
37.3 to 62.2
{380.4 to 634.3}
[330.1 to 550.5]
76.0 to 126.7
{775.0 to 1292.0}
[672.7 to 1121.4]
―
46.2 to 77.0
{471.1 to 788.2}
[408.9 to 681.5]
45.4 to 75.7
{463.0 to 771.9}
[401.8 to 670.0]
37.3 to 62.2
{380.4 to 634.3}
[330.1 to 550.5]
―
75.5 to 125.8
{769.9 to 1282.8}
[668.2 to 1113.4]
100 (4.0)
42.2 to 70.3
{430.3 to 716.9}
[373.5 to 622.2]
42.5 to 70.8
{433.4 to 722.0}
[376.2 to 626.6]
―
52.0 to 86.7
{530.3 to 884.1}
[460.2 to 767.4]
51.2 to 85.3
{522.1 to 869.8}
[453.2 to 755.0]
42.2 to 70.3
{430.3 to 716.9}
[373.5 to 622.2]
―
85.4 to 142.3
{870.8 to 1451.1}
[755.9 to 1259.5]
150 (6.0)
87.8 to 146.4
{895.3 to 1492.9}
[777.1 to 1295.7]
86.4 to 144.0
{881.0 to 1468.4}
[764.7 to 1274.5]
―
62.4 to 104.0
{636.3 to 1060.5}
[552.3 to 920.5]
56.8 to 94.7
{579.2 to 965.7}
[502.7 to 838.2]
87.8 to 146.4
{895.3 to 1492.9}
[777.1 to 1295.7]
―
95.4 to 159.0
{972.8 to 1621.3}
[844.4 to 1407.3]
200 (8.0)
84.0 to 140.1
{856.6 to 1428.6}
[743.5 to 1240.0]
125.4 to 209.1
{1278.7 to 2132.2}
[1109.9 to 1850.7]
127.6 to 212.7
{1301.2 to 2168.9}
[1129.4 to 1882.6]
91.1 to 151.9
{929.0 to 1548.9}
[806.3 to 1344.4]
92.3 to 153.8
{941.3 to 1568.3}
[816.9 to 1361.2]
84.0 to 140.1
{856.6 to 1428.6}
[743.5 to 1240.0]
―
103.0 to 171.7
{1050.3 to 1750.9}
[911.6 to 1519.7]
Unit:
N-m
{kgf-cm}
[in-lbf]
Unit:
N-m
{kgf-cm}
[in-lbf]