 |
|
 |
| Threaded Outlet |
|
Threaded Outlet |
| |
|
|
|
| 执行标准:MSS SP-97、GB19326、Q/FG12 |
支管公称通径
Nominal Diameter of Branch |
适用主管公称通径
Nominal Diameter of Suited Main Pipe
不小于≥
|
L |
E |
| DN |
NPS |
mm |
in |
3000LB |
6000LB |
3000LB |
6000LB |
|
6
|
1/8 |
20
|
3/4 |
19.1
|
- |
15.9
|
- |
|
8
|
1/4 |
20
|
3/4 |
19.1
|
- |
15.9
|
- |
|
10
|
3/8 |
25
|
1 |
20.6
|
- |
19.1
|
- |
|
15
|
1/2 |
32
|
1.1/4 |
25.4
|
31.8 |
23.8
|
19.1 |
|
20
|
3/4 |
40
|
1.1/2 |
27.0
|
36.5 |
30.2
|
25.4 |
|
25
|
1 |
50
|
2 |
33.3
|
39.7 |
36.5
|
33.3 |
|
32
|
1.1/4 |
65
|
2.1/2 |
33.3
|
41.3 |
44.5
|
38.1 |
|
40
|
1.1/2 |
65
|
2.1/2 |
34.9
|
42.9 |
50.8
|
49.2 |
|
50
|
2 |
80
|
3 |
38.1
|
52.4 |
65.1
|
69.9 |
|
60
|
2.1/2 |
100
|
4 |
46.0 |
- |
76.2
|
- |
|
80
|
3 |
125
|
5 |
50.8 |
- |
93.7
|
- |
|
100
|
4 |
150
|
6 |
57.2 |
- |
120.7
|
- |
|
说明:
1、锥管螺纹可按ANSI B1.20.1 NPT或ISO7/1Rp或Rc锥管螺纹,尺寸同支管公称通径(in)用户需注明锥管螺纹代号。
2、表列“适用主管公称直径”为一般用途,如需用于更小的主管尺寸应与制造厂协商。
3、按下表选用支管台的压力等级: |
|
压力等级
Pressure Grade
|
适用支管壁厚等级
Suitable shedule of branch
|
|
3000Lb
|
Sch40、 Sch80、 STD、 XS
|
|
6000Lb
|
Sch160 XXS
|
|
4、螺纹支管台仅适用于国际通用系列的钢管(英制管)。
5、定货时必须注明主管及支管支管公称尺寸、压力等级、材料牌号、螺纹代号。 |