Dimensions
Page 13
TRB-UM-00478-EN-01
September 2018
NPT End Connection
A
(Per B31.1)
C
B
Figure 4: NPT end connection
Size
Pipe ID
End Connec-
tion
in. (mm)
A
in. (mm)
B (DL Model)
in. (mm) ± 0.13 (3.30)
C
in. (mm)
1/4
8-4
0 25 (6 35)
2 75 (69 85)
2 42 (61 47)
0 87 (22 10)
3/8
8-6
0 375 (9 53)
2 75 (69 85)
2 42 (61 47)
0 87 (22 10)
1/2
8
0 50 (12 70)
2 75 (69 85)
2 42 (61 47)
0 87 (22 10)
5/8
10
0 75 (19 05)
2 92 (74 17)
2 42 (61 47)
1 00 (25 40)
3/4
12
0 75 (19 05)
3 25 (82 55)
2 53 (64 26)
1 37 (34 80)
1
16
1 00 (25 40)
3 56 (90 42)
2 61 (66 29)
1 50 (38 10)
1-1/4
20
1 25 (31 75)
4 06 (103 1)
2 80 (71 12)
1 72 (43 69)
1-1/2
24
1 50 (38 10)
4 59 (116 6)
2 93 (74 42)
2 00 (50 80)
2
32
2 00 (50 80)
6 06 (153 9)
4 26 (108 2)
2 63 (66 80)
Table 4: NPT end connection dimensions
