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JB 974 - 1977 Welded partition wall straight pipe joint

机械行业JB 974 - 1977 JB974 974JB 焊接式隔壁直通管接头

Unit: 毫米(mm)
Size
6 10 14
D0 Tube outer diameter
Nominal Diameter
d1
D1 Nominal Size
max
min
c
L1
L2
s
s1
s2
1
2
3
4
5
6
6 10 14
3 6 8
7.5 11 16
12 16 22
12.6 16.6 22.6
12.4 16.4 22.4
14 16.5 19
22 25.5 29
41 44.5 49
17 22 27
14 19 27
17 22 30
6 10 14
M12*1.25 M16*1.5 M22*1.5
8*1.9 11*1.9 16*2.4
6 10 14
M12*1.25 M16*1.5 M22*1.5
12 16 22
①,Connecting pipe(JB 2099-77) Material:20#
②,Nut(JB 981-77) Material:35#
③,O-ring(GB 1235-76) Material:Rubber I-4
④,Connector body(JB 992-77) Material:35#
⑤,Nut(JB 994-77) Material:35#
⑥,Washer(JB 1002-77) Material:Aluminum

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