管路损耗对照表
浏览数量: 7 作者: 本站编辑 发布时间: 2010-08-11 来源: 本站
询价
管径(mm) | 25 | 38 | 50 | 65 | 75 | 100 | 125 | 150 | 175 | 200 | 250 | 300 | 流量(L/S) | 1 | 3.27 | 3.5 | 0.8 | | | | | | | | | | 2 | 13.0 | 14 | 3.1 | 0.8 | 0.4 | | | | | | | | 4 | | 55 | 13 | 3.2 | 1.6 | 0.4 | | | | | | | 6 | | | 29 | 7.1 | 3.3 | 0.8 | 0.23 | | | | | | 8 | | | | 13 | 5.9 | 1.3 | 0.4 | 0.16 | | | | | 10 | | | | 20 | 9.6 | 2.1 | 0.63 | 0.26 | 0.11 | | | | | | 15 | | | 21.6 | 6.8 | 1.3 | 0.58 | 0.27 | 0.13 | | | | | 20 | | | | 8.6 | 2.7 | 1.1 | 0.5 | 0.26 | 0.07 | | | | | 25 | | | 13 | 4.1 | 1.6 | 0.74 | 0.37 | 0.12 | | | | | 30 | | | 19.4 | 5.9 | 2.3 | 1.05 | 0.53 | 0.18 | 0.07 | | | | | 40 | | | 10.7 | 4.2 | 1.9 | 0.93 | 0.30 | 0.12 | | | | | 50 | | | | 6.4 | 2.9 | 1.5 | 0.48 | 0.19 | | | | | | 60 | | | 9.4 | 4.3 | 2.1 | 0.68 | 0.27 | | | | | | 70 | | | | 5.8 | 2.9 | 0.93 | 0.37 | | | | | | | 80 | | | 7.7 | 3.7 | 1.2 | 0.49 | | | | | | | 90 | | | 9.6 | 4.7 | 1.5 | 0.6 | | | | | | | | 100 | | | 6.1 | 1.9 | 0.76 | | | | | | | | 110 | | | 7.2 | 2.3 | 0.9 | | | | | | | | | 120 | | 8.5 | 2.8 | 1.1 | | | | | | | | | 130 | | | 3.3 | 1.3 | 直管摩擦损失表(供估计用) 管100m直管损失米数 (以新铸管为标准,旧管加倍) | 140 | | 3.7 | 1.5 | 160 | | 4.9 | 2.0 | | 180 | 5.2 | 2.4 | | 200 | | 3.0 | |
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阀门及弯管折合直管长度(每个) 种类 | 折合直管直径倍数 | 备注 | 全开闸门 | 12 | 未畅开加倍 | 标准弯管 | 25 | | 逆止阀 | 100 | | 底 阀 | 100 | 部分堵塞加倍 | 注:例如100mm直径管,底阀折100倍直径等到于100×100=10000mm=10m直径长度,假定流量 为8L/S查上表,直管每100m损件1.3m,则损失扬程0.13m. |
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一定管路直径之最大流量限制 管路直径(mm) | 最大流量(L/S) | 最大流速(m/s) | 管路直径(mm) | 最大流量(L/S) | 最大流速(m/s) | 25 | 1 | 2.04 | 125 | 30.0 | 2.44 | 38 | 2.5 | 1.69 | 150 | 43.0 | 2.45 | 50 | 4.17 | 2.12 | 175 | 60.0 | 2.49 | 65 | 6.67 | 2.01 | 200 | 83.3 | 2.69 | 75 | 10.0 | 2.26 | 250 | 133.3 | 2.72 | 100 | 18.4 | 2.33 | 300 | 192.0 | 2.71 | 超过此限使管路损失显著增加。 |