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JB /T 6381.3 - 2007 Welding cone couplings straight male stud couplings with R-type pipe threads

机械行业JB /T6381.3 - 2007 JB6381.3 6381.3JB 锥密封焊接式直通55°密封管螺纹管接头

Unit: 毫米(mm)
Tube outer diameter
8 10 12
D0
d 1
2
L0
L11
L1
L
s1
s2
O-Rings, GB/T3452.1
per unit≈kg
8 10 12
R1 1/8 R1 1/4 R1 3/8
R2 1/8 R2 1/4 R2 3/8
4 6 6.4
14 18 22
27 28 29
47 48 50
21 24 24
18 21 24
7.5×1.8G 9×1.8G 11.2×1.8G
0.1 0.11 0.15

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