GB /T 3748 - 2008 24° Cone Connectors - Bulkhead Union


Unit: mm
国标GB /T3748 - 2008 GB3748 3748GB 24° Cone Connectors - Bulkhead Union
Thread Size
D
M12
×1.5
M14
×1.5
M16
×1.5
M18
×1.5
(M20)
×1.5
M22
×1.5
(M24)
×1.5
M26
×1.5
M30
×2
M36
×2
M45
×2
Series
PN MPa
Tube outer diameter
P Pitch
d1 Ref.
L1 Nominal Size
max
min
b min
L Nominal Size
max
min
s
a Ref.
L L L L L L L L L L L
25 25 25 25 25 25 25 16 16 10 10
6 8 10 12 14 15 16 18 22 28 35
1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2
4 6 8 10 11 12 14 15 19 24 30
34 34 35 36 37 38 38 40 42 43 47
34.2 34.2 35.2 36.2 37.2 38.2 38.2 40.2 42.2 43.2 47.2
33.8 33.8 34.8 35.8 36.8 37.8 37.8 39.8 41.8 42.8 46.8
30 30 31 32 33 34 34 36 37 38 42
48 49 51 53 54 56 57 59 63 65 72
48.3 49.3 51.3 53.3 54.3 56.3 57.3 59.3 63.3 65.3 72.3
47.7 48.7 50.7 52.7 53.7 55.7 56.7 58.7 62.7 64.7 71.7
17 19 22 24 27 27 30 32 36 41 50
34 35 37 39 40 42 42 44 48 50 51
Thread Size
D
M52
×2
M14
×1.5
M16
×1.5
M18
×1.5
M20
×1.5
(M22)
×1.5
M24
×1.5
M30
×2
M36
×2
M42
×2
M52
×2
Series
PN MPa
Tube outer diameter
P Pitch
d1 Ref.
L1 Nominal Size
max
min
b min
L Nominal Size
max
min
s
a Ref.
L S S S S S S S S S S
10 63 63 63 63 63 40 40 40 25 25
42 6 8 10 12 14 16 20 25 30 38
2 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2 2
36 4 5 7 8 9 12 16 20 25 32
47 36 36 37 38 39 40 44 47 51 53
47.2 36.2 36.2 37.2 38.2 39.2 40.2 44.2 47.2 51.2 53.2
46.8 35.8 35.8 36.8 37.8 38.8 39.8 43.8 46.8 50.8 52.8
42 32 32 33 34 35 36 39 42 46 48
74 54 56 57 60 62 64 72 79 85 92
74.3 54.3 56.3 57.3 60.3 62.3 64.3 72.3 79.3 85.3 92.3
73.7 53.7 55.7 56.7 59.7 61.7 63.7 71.7 78.7 84.7 91.7
60 19 22 24 27 27 32 41 46 50 65
52 40 42 42 45 47 47 51 55 58 60
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