渐缩管 参数
|
|
| |
| 公称通径Nominal
Diameter |
L |
E |
| DN |
NPS |
|
10 × 8
|
3/8 × 1/4
|
64
|
1.7
|
|
15 × 8
|
1/2 × 1/4
|
70
|
1.9
|
|
15 × 10
|
1/2 × 3/8
|
70
|
1.05
|
|
20 × 8
|
3/4 × 1/4
|
76
|
6.5
|
|
20 × 10
|
3/4 × 3/8
|
76
|
4.8
|
|
20 × 15
|
3/4 × 1/2
|
76
|
2.7
|
|
25 × 8
|
1 × 1/4
|
89
|
10.2
|
|
25 × 10
|
1 × 3/8
|
89
|
8.6
|
|
25 × 15
|
1 × 1/2
|
89
|
6.5
|
|
25 × 20
|
1 × 3/4
|
89
|
3.0
|
|
32 × 8
|
1.1/4× 1/4
|
102
|
14.2
|
|
32 × 10
|
1.1/4× 3/8
|
102
|
12.5
|
|
32 × 15
|
1.1/4× 1/2
|
102
|
10.4
|
|
32 × 20
|
1.1/4× 3/4
|
102
|
7.7
|
|
32 × 25
|
1.1/4× 1
|
102
|
3.9
|
|
32 × 8
|
1.1/4× 1/4
|
114
|
17.3
|
|
40 × 10
|
1.1/2× 3/8
|
114
|
15.6
|
|
40 × 15
|
1.1/2× 1/2
|
114
|
13.5
|
|
40 × 20
|
1.1/2× 3/4
|
114
|
12.6
|
| 40 × 25 |
1.1/2× 1
|
114 |
6.9 |
|
40 × 32
|
1.1/2×1.1/4
|
114
|
3.0
|
|
50 × 8
|
2 × 1/4 |
165
|
23.3
|
|
50 × 10
|
2 × 3/8
|
165
|
21.6
|
|
50 × 15
|
2 × 1/2
|
165
|
19.5
|
|
50 × 20
|
2 × 3/4 |
165
|
16.8
|
|
50 × 25
|
2 × 1
|
165
|
13.0
|
|
50 × 32
|
2 ×1.1/4
|
165
|
9.1
|
|
50 × 40
|
2 ×1.1/2
|
165
|
6.0
|
|
65 × 15
|
2.1/2× 1/2
|
178
|
25.1
|
|
65 × 20
|
2.1/2× 3/4
|
178
|
23.2
|
|
65 × 25
|
2.1/2× 1
|
178
|
19.4
|
|
65 × 32
|
2.1/2×1.1/4
|
178
|
15.5
|
|
65 × 40
|
2.1/2×1.1/2
|
178
|
12.4
|
| 65 × 50 |
2.1/2× 12
|
178
|
6.4
|
|
80 × 15
|
3 × 1/2
|
203
|
33.8
|
|
80 × 20
|
3 × 3/4
|
203
|
31.1
|
|
80 × 25
|
3 × 1
|
203
|
27.3
|
|
80 × 32
|
3 ×1.1/4
|
203
|
23.4
|
|
80 × 40
|
3 ×1.1/2
|
203
|
20.3
|
|
80 × 50
|
3 × 2
|
203
|
14.3
|
|
80 × 65
|
3 ×2.1/2
|
203
|
7.9
|
|
100 × 15
|
4 × 1/2
|
229
|
46.5
|
|
100 × 20
|
4 × 3/4
|
229
|
43.8
|
|
100 × 25
|
4 × 1
|
229
|
40.0
|
| 100 × 32 |
4 ×1.1/4
|
229 |
36.1 |
|
100 × 40
|
4 × 1.1/2
|
229
|
33.0
|
|
100 × 50
|
4 × 2 |
229
|
27.0
|
|
100 × 65
|
4 ×2.1/2
|
229
|
20.6
|
|
100 × 80
|
4 × 3
|
229
|
12.7
|
|
说明：
1、选用时，应予注明，对锥管螺纹还应注明NPT或R。
2、异型短节大端及小端型工分别有平端、坡口端、锥管外螺纹端三种：大、小端的各种组合共计有九种配合可能，如下表示： |
| 型式Type |
大 端Large End |
小端Small End |
代号Code |
| A |
平
Plain |
平 |
BEP |
| B |
坡口 |
LEP/SEB |
| C |
螺纹 |
LEP/SET |
| D |
坡
口
Bevel |
平 |
LEB/SEP |
| E |
坡口 |
BEB |
| F |
螺纹 |
LEB/SET |
| G |
螺
纹
Thread |
平 |
LET/SEP |
| H |
坡口 |
LET/SEB |
| I |
螺纹 |
BET |
|
3、异径短节壁厚一般为Sch80(3000LB)、Sch160(6000LB)，平端、坡口端或管螺纹端。
4、本系列产品符合MSS SP95和BS3799要求。 |
|
|
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