FORGED THREADED PIPE FITTINGS SERIES

COUPLING

 NAME: THREADED COUPLING
 MATERIAL:A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403-WP304.A403-WP304L.A403-WP316.A403-WP316L.
 SIZE:1/8"-4"、DN6-DN100
 PRESSURE GRADE:2000LB、3000LB、6000LB、Sch40、Sch80、Sch160
 STANDARDS: ISO, ANSI. JIS. DIN GB/T12459、GB/T13401、ASME B16.9、SH3408 SH3409、HG/T21635、HG/T21631、SY/T05010
 USE: Petroleum, chemical, power, gas, metallurgy, shipbuilding, etc. 

THREADED COUPLING PRODUCT CONSTRUCTION

Nominal Pipe 
Size DN 

End to End

End Wall Thickness

Length of Thread (min)
E
F
Clmin
A
B(in)
3000LB
6000LB
3000LB
6000LB
3000LB
6000LB
NPT
Rc
Sch80 Sch160 Sch80 Sch160 Sch80 Sch160
6
1/8
32
19
-
5.0
-
6.5
6.5
8 1/4 35 25 27 5.0 6.5 8.0 10.0
10 3/8 38 25 27 5.0 6.5 9.0 10.5
15 1/2 48 32 33 6.5 8.0 11.0 13.5
20 3/4 51 37 38 6.5 8.0 12.5 14.0
25 1 60 41 43 9.5 11.0 14.5 17.5
32 11/4 67 44 46 9.5 11.0 17.0 18.0
40 11/2 76 44 48 11.0 12.5 18.0 18.5
50 2 86 48 51 12.5 16.0 19.0 19.0
65 21/2 92 60 64 16.0 19.0 23.5 29.0
80 3 108 65 68 19.0 22.0 26.0 30.5
100
4
121
68
75
22.0
28.5
27.5
33.0