☆ PP管 |
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QB/T 1929-2006(PP) 管材規格尺寸與公稱壓力
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公稱外徑
dn(mm)
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平均外徑/mm
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公稱壓力/Mpa
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PN 0.4
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PN 0.6
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PN 0.8
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PN 1.0
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d em,min
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d em,max
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管系列
|
S16
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S10
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S8
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S6.3
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公稱壁厚 en/mm
|
50
|
50.0
|
50.5
|
2.0
|
2.4
|
3.0
|
3.7
|
63
|
63.0
|
63.6
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2.0
|
3.0
|
3.8
|
4.7
|
75
|
75.0
|
75.7
|
2.3
|
3.6
|
4.5
|
5.6
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90
|
90.0
|
90.9
|
2.8
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4.3
|
5.4
|
6.7
|
110
|
110.0
|
111.0
|
3.4
|
5.3
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6.6
|
8.1
|
125
|
125.0
|
126.2
|
3.9
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6.0
|
7.4
|
9.2
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140
|
140.0
|
141.3
|
4.3
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6.7
|
8.3
|
10.3
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160
|
160.0
|
161.5
|
4.9
|
7.7
|
9.5
|
11.8
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180
|
180.0
|
181.7
|
5.5
|
8.6
|
10.7
|
13.3
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200
|
200.0
|
201.8
|
6.2
|
9.6
|
11.9
|
14.7
|
225
|
225.0
|
227.1
|
6.9
|
10.8
|
13.4
|
16.6
|
250
|
250.0
|
252.3
|
7.7
|
11.9
|
14.8
|
18.4
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注1:公稱壓力PN為管材在20℃時的工作壓力
注2:管系列S由設計應力與公稱壓力之比得出
|
|
壁厚的偏差
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公稱壁厚en
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允許偏差
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公稱壁厚en
|
允許偏差
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>2.0-3.0
|
+0.50
|
>10.6-12.0
|
+1.40
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>3.0-4.0
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+0.60
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>12.0-12.6
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+1.50
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>4.0-4.6
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+0.70
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>12.6-14.0
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+1.60
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>4.6-6.0
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+0.80
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>14.0-14.6
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+1.70
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>6.0-6.6
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+0.90
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>14.6-16.0
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+1.80
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>6.6-8.0
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+1.00
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>16.0-17.0
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+1.90
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>8.0-8.6
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+1.10
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>17.0-18.0
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+2.00
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>8.6-10.0
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+1.20
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>18.0-18.5
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+2.10
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>10.0-10.6
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+1.30
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