Dimensions Weld Neck & Slip-On flanges BS 3293 Class 150


Weld Neck flange

Other Pressure Classes

150

Foreword

NPS O B1 C Y2 Y1 A
26 869.9 666.7 50.8 127.0 85.7 660.4
28 927.1 717.6 52.4 128.6 87.3 711.2
30 984.2 768.3 54.0 130.2 88.9 762.0
32 1060.4 819.1 57.1 133.3 92.1 812.8
34 1111.2 869.9 58.7 134.9 93.7 863.6
36 1168.4 920.7 60.3 136.5 95.2 914.4
38 1238.2 971.5 60.3 136.5 95.2 965.2
40 1289.0 1022.3 63.5 139.7 98.4 1016.0
42 1346.2 1073.2 66.7 142.9 101.6 1066.8
44 1403.3 1123.9 66.7 142.9 101.6 1117.6
46 1454.2 1174.7 68.3 144.5 103.2 1168.4
48 1511.1 1225.5 69.9 146.1 104.8 1219.2


Slip-On flange

NPS X R NBH DBH D r
26 723.9 742.9 24 34.9 806.4 6.35
28 781.0 793.7 28 34.9 863.6 6.35
30 831.8 857.2 28 34.9 914.4 6.35
32 889.0 908.0 28 41.3 977.9 7.94
34 939.8 958.8 32 41.3 1028.7 7.94
36 996.9 1022.3 32 41.3 1085.8 7.94
38 1060.4 1073.1 32 41.3 1149.3 9.53
40 1111.2 1123.9 36 41.3 1200.1 9.53
42 1168.4 1193.8 36 41.3 1257.3 9.53
44 1219.2 1244.6 40 41.3 1314.4 11.11
46 1270.0 1295.4 40 41.3 1365.2 11.11
48 1327.2 1358.9 44 41.3 1422.4 11.11

General note:

Indications:


Weights of Class 150 Weld Neck & Slip-On flanges

NPS Weld Neck
kg
Slip-On
kg
26 118 107
28 134 122
30 153 138
32 190 170
34 212 184
36 242 211
38 284 249
40 311 272
42 358 313
44 376 331
46 399 349
48 440 381

Note: