ANSI/ASME/ASTM Inch

Class 150 flanges - NPS 1/2 to 24 - Threaded

Standard ASME B 16.5 - 1996
Description Class 150 flange - NPS 1 1/4 - Threaded - Small female face
Part number ASME B 16.5 - TF - C150 - NPS 1 1/4 - SFF
Mass 1.3 kg
Note Small female face
Product selection
Selector NPS (inch) Flange Ø (mm) Flange thickness (mm) Number of drillings Fixing Ø (mm) Drillings Ø (mm) Total thickness (mm) Threaded length (mm) Weight (kg)
1 1/2 89 11.2 4 60.3 15.8 16 16 0.8
2 3/4 99 12.7 4 69.8 15.8 16 16 0.9
3 1 108 14.3 4 79.4 15.8 17 18 1
4 1 1/4 117 15.7 4 88.9 15.8 21 21 1.3
5 1 1/2 127 17.5 4 98.4 15.8 22 22 1.5
6 2 152 19.1 4 120.6 19 25 25 2.3
7 2 1/2 178 22.3 4 139.7 19 29 29 3.7
8 3 190 23.9 4 152.4 19 30 30 4.2
9 3 1/2 216 23.9 8 177.8 19 32 32 5.3
10 4 229 23.9 8 190.5 19 33 33 5.9
11 5 254 23.9 8 215.9 22.2 37 37 7
12 6 279 25.4 8 241.3 22.2 40 40 8.5
13 8 343 28.5 8 298.4 22.2 44 44 13.5
14 10 406 30.2 12 362 25.4 49 49 19.5
15 12 483 31.8 12 431.8 25.4 56 56 29
16 14 533 35 12 476.2 28.5 57 57 39
17 16 597 36.6 16 539.8 28.5 63 64 47
18 18 635 39.7 16 577.8 31.8 68 68 54
19 20 698 42.9 20 635 31.8 73 73 70
20 24 813 47.7 20 749.3 35 83 83 95
NPS (inch)
Flange Ø (mm)
Flange thickness (mm)
Number of drillings
Fixing Ø (mm)
Drillings Ø (mm)
Total thickness (mm)
Threaded length (mm)
Weight (kg)