GB 3759 - 1983 Bite type tube fittings--Nuts


Unit: mm
国标GB 3759 - 1983 GB3759 3759GB Bite type tube fittings--Nuts
Size
4 5 6 8 10 12 14 16 18 20 22 25 28 32
PN MPa
d
d1 Nominal Size
max
min
t
t1
h1 Cylindrical shoulder height (Optional)
h
s Width across Flat
per 100 units ≈ kg
E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25) E16/G(25)
M10*1 M10*1 M12*1.25 M14*1.5 M16*1.5 M18*1.5 M20*1.5 M22*1.5 M24*1.5 M27*1.5 M30*2 M33*2 M36*2 M42*2
4 5 6 8 10 12 14 16 18 20 22 25 28 32
4.28 5.28 6.28 8.28 10.28 12.4 14.4 16.4 18.4 20.4 22.4 25.4 28.4 32.4
4.21 5.21 6.21 8.21 10.21 12.3 14.3 16.3 18.3 20.3 22.3 25.3 28.3 32.3
10 10 11.5 12 14 14 14 14 14 16.5 16.5 17.5 17.5 18
7 7 7.5 8.5 9.5 9.5 9.5 9.5 9.5 11 12.5 12.5 12.5 12.5
3.5 3.5 4 4 5 5 5 5 5 5.5 5.5 5.5 5.5 6
13 13 15.5 16 18.5 18.5 19 19.5 20 23 23 24.5 24.5 25
15 15 16 18 21 24 24 27 30 34 36 41 41 50
0.71 0.71 1.11 1.74 2.31 3.16 3.67 4.91 6.35 7.34 9.85 14.3 11.5 19.3
Size
34 40 42 6 8 10 12 14 16 18 20 22 25 28
PN MPa
d
d1 Nominal Size
max
min
t
t1
h1 Cylindrical shoulder height (Optional)
h
s Width across Flat
per 100 units ≈ kg
E16/G(25) E16/G(25) E16/G(25) J(40) J(40) J(40) J(40) J(40) J(40) J(40) J(40) J(40) J(40) J(40)
M45*2 M48*2 M52*2 M14*1.5 M16*1.5 M18*1.5 M20*1.5 M22*1.5 M24*1.5 M27*1.5 M30*2 M33*2 M36*2 M39*2
34 40 42 6 8 10 12 14 16 18 20 22 25 28
34.4 40.4 42.4 6.28 8.28 10.28 12.4 14.4 16.4 18.4 20.4 22.4 25.4 28.4
34.3 40.3 42.3 6.21 8.21 10.21 12.3 14.3 16.3 18.3 20.3 22.3 25.3 28.3
18.5 18.5 18.5 13 13 14 14 14 15 15 16.5 17 18 18
13 13 14 9.5 9.5 9.5 9.5 9.5 10 10 12.5 13 14 14
6 6 6 5 5 5 5 5 6 6 6 6.5 6.5 6.5
26 26 26 17.5 17.5 19 19 20 21 21 24.5 25 26.5 27
50 55 60 18 21 24 24 27 30 34 36 41 41 46
16.7 25.1 27.8 1.97 2.29 3.41 3.83 5.3 6.83 6.97 11.1 15.4 13.6 18.4
①,The pipe diameter
Alternative history
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