类型
TYPE
TYPE:A TYPE:B
公称直径
NOMINAL DIAMETER
DN8-DN600
壁厚
WALL THICKNESS
1mm-50mm
制造标准
STANDARDS
ASME B16.9 MSS SP-43

公称通径
Nominal Pipe Size
端部外径
Outside Diameter at Bevel
长度
Length
圆角半径
Radius of Fillet
搭接直径
Diameter of Lap
A型
B型
NPS
D
L
R
G
1/2
3/4
1
21.3
26.7
33.4
51
51
51
3.0
3.0
3.0
0.8
0.8
0.8
35
43
51
11/4
11/2
2
42.2
48.3
60.3
51
51
64
5.0
6.0
8.0
0.8
0.8
0.8
64
73
92
21/2
3
31/2
73.0
88.9
101.6
64
64
76
8.0
10.0
10.0
0.8
0.8
0.8
106
127
140
4
5
6
114.3
141.3
168.3
76
76
89
11.0
11.0
13.0
0.8
1.6
1.6
157
185
218

8
10
12

219.1
273.0
323.8
102
127
152
13.0
13.0
13.0
1.6
1.6
1.6
270
324
381
14
16
18
355.6
406.4
457.0
152
152
152
13.0
13.0
13.0
1.6
1.6
1.6
413
470
533
20
22
24
508.0
559.0
610.0
152
152
152
13.0
13.0
13.0
1.6
--
1.6
584
641
692
  搭接厚度t不小于公称壁厚
   搭接平面可按顾客要求加工成同心的锯齿状槽或螺纹槽
   适用于与SCH40s或更薄的不锈钢管子连接
   B型圆角半径只对MSS SP-43翻边短节有效
   Minimum lap thickness shall not be less than nominal wall thickness.
   Contact faces of stub ends shall have a concentric serration or spiral according to the purchaser's requirements.
   These lengths and radius apply for schedule 40s or thinner stainless steel pipes.
   Radius of fillet B is only effective to MSS SP-43 lap joint stub ends.

 

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