API不加厚油管接箍尺寸、公差和重量
Dimensions, tolerances and masses of
API non-upset tubing coupling
代号1
Label 1
规格a
Size
外径
Outside
diameter
最小长度
Minimum
length
镗孔直径
Diameter of
recess
承载面宽度
Width of
bearing face
特殊倒角的最大承载面直径
Maximum bearing
face diameter,
special bevel
重量
Mass
D
mm
W
NL
Q
b
Bf
kg
1
2
3
4
5
6
7
8
1.050
1.315
1.660
1.900
2-3/8
2-7/8
3-1/2
4-1/2
26.67
33.40
42.16
48.26
60.32
73.02
88.90
101.60
114.30
33.35
52.17
55.88
107.95
120.65
132.08
80.96
82.55
95.25
130.18
142.88
146.05
155.58
28.27
35.00
43.76
49.86
61.93
74.63
90.50
103.20
115.90
1.59
2.38
3.18
4.76
30.00
37.80
47.17
52.07
66.68
80.98
98.42
111.12
123.19
0.23
0.38
0.59
0.56
1.28
2.34
3.71
4.35
4.89
外径W的公差为±1%。
Tolerance on outside diameter W, is ±1 %.
a.接箍的规格代号和相应的管子规格代号相同。
The coupling specification label is the same as the corresponding pipe specification label.
