ASME B16.9
|
所有管件
|
弯头、三通
|
异径管、搭接
|
管帽
|
180度回转管
|
搭接
|
|
公称尺寸
|
坡口处外径
|
端面处内径
|
壁厚
|
中心至端面尺寸
|
全长
|
全高
|
中心至中心尺寸
|
顶端至端面尺寸
|
端面平面度
|
搭接外径
|
搭接厚度
|
搭接圆角半径
|
|
（in)
|
D
|
|
t
|
A、B、C、M
|
F、H
|
E
|
O
|
K
|
U
|
G
|
T
|
R
|
|
1／2to21／2
|
+1.52,-0.76
|
0.76
|
Not Less Than 87.5% of Nominal Thickness不小于公称壁厚的87.5％
|
1.52
|
1.52
|
3.05
|
6.35
|
6.35
|
0.76
|
+0，-0.76
|
+1.52，-0
|
+0，-0.76
|
|
3to31/3
|
1.52
|
1.52
|
1.52
|
1.52
|
3.05
|
6.35
|
6.35
|
0.76
|
+0，-0.76
|
+1.52，-0
|
+0，-0.76
|
|
4
|
1.52
|
1.52
|
1.52
|
1.52
|
3.05
|
6.35
|
6.35
|
0.76
|
+0，-0.76
|
+1.52，-0
|
+0，-1.52
|
|
5to8
|
+2.29,-1.52
|
1.52
|
1.52
|
1.52
|
6.35
|
6.35
|
6.35
|
0.76
|
+0，-0.76
|
+1.52，-0
|
+0，-1.52
|
|
10to18
|
+4.06,-3.05
|
3.05
|
2.29
|
2.29
|
6.35
|
9.65
|
6.35
|
1.52
|
+0，-1.52
|
+1.52，-0
|
+0，-1.52
|
|
20to24
|
+6.35,-4.83
|
4.83
|
2.29
|
2.29
|
6.35
|
9.65
|
6.35
|
1.52
|
+0，-1.52
|
+1.52，-0
|
+0，-1.52
|
|
26to30
|
+6.35,-4.83
|
4.83
|
3.05
|
4.83
|
9.65
|
|
|
|
|
|
|
|
32to36
|
+6.35,-4.83
|
4.83
|
4.83
|
4.83
|
9.65
|
|
|
|
|
|
|
GB/T12459
|
所有管件
|
弯头、三通
|
异径管
|
管帽
|
180度回转管
|
斜度公差
|
|
公称尺寸
|
坡口处外径
|
端面处内径
|
壁厚
|
中心至端面尺寸
|
全长
|
全高
|
中心至中心尺寸
|
顶端至端面尺寸
|
端面平面度
|
角的
|
平面的
|
|
(in)
|
D
|
|
t
|
H、F、C、M
|
L
|
E、E１
|
P
|
K
|
U
|
X
|
Y
|
|
15to65
|
+1.6,-0.8
|
±0.8
|
Not Less Than 87.5% of Nominal Thickness不小于公称壁厚的87.5％
|
±2
|
±2
|
±4
|
±7
|
±7
|
1
|
1
|
2
|
|
80to100
|
±1.6
|
±1.6
|
±2
|
±2
|
±4
|
±7
|
±7
|
1
|
1
|
2
|
|
125to200
|
+2.4,-1.6
|
±1.6
|
±2
|
±2
|
±7
|
±7
|
±7
|
1
|
2
|
4
|
|
250to300
|
+4.0,-3.2
|
±3.2
|
±3
|
±3
|
±7
|
±10
|
±7
|
2
|
3
|
5
|
|
350to400
|
+4.0,-3.2
|
±3.2
|
±3
|
±3
|
±7
|
±10
|
±7
|
2
|
3
|
7
|
|
450
|
+4.0,-3.2
|
±3.2
|
±3
|
±3
|
±7
|
±10
|
±7
|
2
|
4
|
10
|
|
500
|
+6.4,-4.8
|
±4.8
|
±3
|
±3
|
±7
|
±10
|
±7
|
2
|
4
|
10
|
|
