|
北京天永力机电设备有限公司成 |
| 于 1992 年,是北京最早从事国 |
|
| |
产建筑铜水管及管件等高档建材市 |
| |
场推广、销售及服 ...... |
| |
|
| |
浙江久田管业有限公司座落在“民 |
| |
营经济”发祥地温州柳市镇,与风 |
| |
景秀丽,峰奇雄伟的世界遗产地质 |
| |
公园雁荡山相邻...... |
| |
|
|
| |
| |
|
|
|
| |
| |
|
 |
| |
|
| |
详细信息: |
| |
| 管材的外形尺寸 |
|
公称通径DN
|
铜管外径DW(mm)
|
壁厚T(mm)
|
理论重量
|
平均外壳允许偏差(mm)
|
|
A类
|
B类
|
C类
|
A类
|
B类
|
C类
|
普通级
|
高精级
|
|
5
|
6
|
1.0
|
0.8
|
0.6
|
0.140
|
0.116
|
0.091
|
±0.06
|
±0.03
|
|
6
|
8
|
1.0
|
0.8
|
0.6
|
0.196
|
0.161
|
0.124
|
|
8
|
10
|
1.0
|
0.8
|
0.6
|
0.252
|
0.206
|
0.158
|
|
10
|
12
|
1.2
|
0.8
|
0.6
|
0.362
|
0.251
|
0.191
|
|
15
|
15
|
1.2
|
1.0
|
0.7
|
0.463
|
0.391
|
0.280
|
|
16
|
1.2
|
1.0
|
0.7
|
0.496
|
0.419
|
0.299
|
|
19
|
1.2
|
1.0
|
0.8
|
0.597
|
0.503
|
0.407
|
|
20
|
22
|
1.5
|
1.2
|
0.9
|
0.860
|
0.698
|
0.531
|
±0.08
|
±0.04
|
|
25
|
28
|
1.5
|
1.2
|
0.9
|
1.111
|
0.899
|
0.682
|
|
32
|
35
|
2.0
|
1.5
|
1.2
|
1.845
|
1.405
|
1.134
|
±0.10
|
±0.05
|
|
40
|
42
|
2.0
|
1.5
|
1.2
|
2.237
|
1.699
|
1.369
|
|
44
|
2.0
|
1.5
|
1.2
|
2.349
|
1.783
|
1.436
|
|
50
|
54
|
2.5
|
2.0
|
1.2
|
3.600
|
2.908
|
1.772
|
±0.20
|
±0.05
|
|
55
|
2.5
|
2.0
|
1.2
|
3.671
|
2.965
|
1.806
|
|
65
|
67
|
2.5
|
2.0
|
1.5
|
4.509
|
3.635
|
2.747
|
±0.24
|
±0.06
|
|
70
|
2.5
|
2.0
|
1.5
|
4.721
|
3.805
|
2.874
|
|
80
|
85
|
2.5
|
2.0
|
1.5
|
5.138
|
4.138
|
3.125
|
|
100
|
105
|
3.5
|
2.5
|
1.5
|
9.937
|
7.168
|
4.343
|
±0.30
|
±0.06
|
|
108
|
3.5
|
2.5
|
1.5
|
10.226
|
7.374
|
4.467
|
|
125
|
133
|
3.5
|
2.5
|
1.5
|
12.673
|
9.122
|
5.515
|
±0.40
|
±0.06
|
|
150
|
159
|
4.0
|
3.0
|
2.0
|
17.335
|
13.085
|
8.779
|
±0.60
|
±0.18
|
|
200
|
219
|
6.0
|
5.0
|
4.0
|
35.733
|
29.917
|
24.046
|
±0.70
|
±0.25
|
|
250
|
273
|
6.0
|
5.0
|
4.0
|
44.814
|
34.485
|
30.100
|
±0.80
|
|
| |
注:
1、管材的壁厚允许偏差应为管材名义壁厚的±10%
2、平均外径是指在管材任意截(断)面上测得的最大外径和最小外径的平均值
3、当要求平均外径偏差为正(+)或全为负(-)时,其允许偏差应为表中对应数值的2倍。 |
| |
  |
|
|
| |
| |
|
|