| ☆ PP管 | 
                                
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                                    QB/T 1929-2006(PP) 管材规格尺寸与公称压力 | 
                                
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                                                | 公称外径 dn(mm)
 | 平均外径/mm | 公称压力/Mpa |  
                                                | PN 0.4 | PN 0.6 | PN 0.8 | PN 1.0 |  
                                                | d em,min | d em,max | 管系列 |  
                                                | S16 | S10 | S8 | S6.3 |  
                                                | 公称壁厚 en/mm |  
                                                | 50 | 50.0 | 50.5 | 2.0 | 2.4 | 3.0 | 3.7 |  
                                                | 63 | 63.0 | 63.6 | 2.0 | 3.0 | 3.8 | 4.7 |  
                                                | 75 | 75.0 | 75.7 | 2.3 | 3.6 | 4.5 | 5.6 |  
                                                | 90 | 90.0 | 90.9 | 2.8 | 4.3 | 5.4 | 6.7 |  
                                                | 110 | 110.0 | 111.0 | 3.4 | 5.3 | 6.6 | 8.1 |  
                                                | 125 | 125.0 | 126.2 | 3.9 | 6.0 | 7.4 | 9.2 |  
                                                | 140 | 140.0 | 141.3 | 4.3 | 6.7 | 8.3 | 10.3 |  
                                                | 160 | 160.0 | 161.5 | 4.9 | 7.7 | 9.5 | 11.8 |  
                                                | 180 | 180.0 | 181.7 | 5.5 | 8.6 | 10.7 | 13.3 |  
                                                | 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 |  
                                                | 注1:公称压力PN为管材在20℃时的工作压力 注2:管系列S由设计应力与公称压力之比得出
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                                    | 壁厚的偏差 | 
                                
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                                                | 公称壁厚en | 允许偏差 | 公称壁厚en | 允许偏差 |  
                                                | >2.0-3.0 | +0.50 | >10.6-12.0 | +1.40 |  
                                                | >3.0-4.0 | +0.60 | >12.0-12.6 | +1.50 |  
                                                | >4.0-4.6 | +0.70 | >12.6-14.0 | +1.60 |  
                                                | >4.6-6.0 | +0.80 | >14.0-14.6 | +1.70 |  
                                                | >6.0-6.6 | +0.90 | >14.6-16.0 | +1.80 |  
                                                | >6.6-8.0 | +1.00 | >16.0-17.0 | +1.90 |  
                                                | >8.0-8.6 | +1.10 | >17.0-18.0 | +2.00 |  
                                                | >8.6-10.0 | +1.20 | >18.0-18.5 | +2.10 |  
                                                | >10.0-10.6 | +1.30 |  |  |  | 
                                
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