弯头三通大小头理论重量表

弯头三通理论重量

外径（mm）中心距至端 面的距离 dninchd1*d2h5s10s20s40s80s120s 120*153/4*1/225*1826.7*21.3380.030.040.040.040.0490.050.050.060.070.07 225*201*3/432*2533.4*26.7510.060.060.090.100.110.110.110.110.140.15 325*151*1/232*1833.4*21.3510.050.060.080.090.090.100.090.100.120.13 432*251.1/4*138*3242.2*33.4510.070.080.110.120.1250.1370.140.150.180.20 53

外径（mm）中心距至端 面的距离 dninchd1*d2h5s10s20s40s80s120s 120*153/4*1/225*1826.7*21.3380.030.040.040.040.0490.050.050.060.070.07 225*201*3/432*2533.4*26.7510.060.060.090.100.110.110.110.110.140.15 325*151*1/232*1833.4*21.3510.050.060.080.090.090.100.090.100.120.13 432*251.1/4*138*3242.2*33.4510.070.080.110.120.1250.1370.140.150.180.20 53

外径（mm）中心距至端 面的距离 dninchd1*d2h5s10s20s40s80s120s 120*153/4*1/225*1826.7*21.3380.030.040.040.040.0490.050.050.060.070.07 225*201*3/432*2533.4*26.7510.060.060.090.100.110.110.110.110.140.15 325*151*1/232*1833.4*21.3510.050.060.080.090.090.100.090.100.120.13 432*251.1/4*138*3242.2*33.4510.070.080.110.120.1250.1370.140.150.180.20 53

外径（mm）中心距至端 面的距离 dninchd1*d2h5s10s20s40s80s 120*153/4*1/225*1826.7*21.3380.030.040.040.040.0490.050.050.060.070.07 225*201*3/432*2533.4*26.7510.060.060.090.100.110.110.110.110.140.15 325*151*1/232*1833.4*21.3510.050.060.080.090.090.100.090.100.120.13 432*251.1/4*138*3242.2*33.4510.070.080.110.120.1250.1370.140.150.180.20 532*20

33.544.555.566.5789101112 说 明： 250.050.060.070.080.090.10.110.12 270.060.070.080.090.10.110.120.13 320.10.110.130.140.160.170.180.19 340.110.120.140.150.170.180.190.2 390.130.130.170.190.210.230.250.27 420.140.170.190.210.230.250.280.29式中 s=大 端壁 450.190.220.230.280.310.340.370.40.43 d=小 端外 480.20.230.270.30.330.360.340.

三通弯头理论重量表

弯头、三通理论重量

弯头、三通理论重量

标准:dd1301普通大小头 δ=3δ=4δ=4.5δ=5δ=6δ=8δ=9δ=10δ=11δ=12δ=14 1500*400530*42630010.514.015.817.521.028.031.535.038.542.049.0 2600*500630*53030012.817.119.221.325.634.138.442.746.951.259.7 3700*600720*63030014.919.922.424.829.839.744.749.754.659.669.5 4800*700820*72030017.122.825.728.434.245.651.357.062.768.479.8 5900*800920*82030019.

产品名称口径普标国标产品名称口径普标国标产品名称口径普标国标产品名称口径普标国标 22*3.548*489*4159*8 25*348*589*5165*5 25*3.548*689*6165*6 25*448*989*8165*8 32*3.557*4108*4219*6 32*457*5108*5219*8 36*657*6108*8273*8 38*3.560*3114*4325*8 38*460*4114*5377*8 冲压弯头42*3冲压弯头60*5冲压弯头114*8冲压弯头426*8 42*3.560*6133*5478*8 42*460*8133*8529*8 42*576*4140*5529*10 48*376*5140*8630*8 48*3.576

直径 mm33.544.555.566.5 18~220.060.070.070.090.10 250.100.110.120.140.150.160.17 270.110.120.140.150.160.170.18 320.130.150.160.180.200.210.230.24 340.140.150.180.200.210.230.250.26 380.200.220.250.280.310.330.360.38 420.220.250.280.310.340.370.400.42 450.290.340.380.420.460.500.540.58 480.310.360.410.450.500.540.590.63 510.

直径 mm33.544.555.566.5789101112说明: 18~220.060.070.070.090.10 250.100.110.120.140.150.160.171、180°弯头按表2倍计算，45°按1/2计算； 270.110.120.140.150.160.170.18 320.130.150.160.180.200.210.230.242、r1.0dn弯头重量按表2/3计算； 340.140.150.180.200.210.230.250.26 380.200.220.250.280.310.330.360.380.403、表中未列出壁厚的重量，可取与之相近的两个重量计算平均值； 420.220.250.280.310.340

直径 mm33.544.555.566.5 18~220.060.070.070.090.10 250.100.110.120.140.150.160.17 270.110.120.140.150.160.170.18 320.130.150.160.180.200.210.230.24 340.140.150.180.200.210.230.250.26 380.200.220.250.280.310.330.360.38 420.220.250.280.310.340.370.400.42 450.290.340.380.420.460.500.540.58 480.310.360.410.450.500.540.590.63 510.

直径 mm33.544.555.566.5 18~220.060.070.070.090.10 250.100.110.120.140.150.160.17 270.110.120.140.150.160.170.18 320.130.150.160.180.200.210.230.24 340.140.150.180.200.210.230.250.26 380.200.220.250.280.310.330.360.38 420.220.250.280.310.340.370.400.42 450.290.340.380.420.460.500.540.58 480.310.360.410.450.500.540.590.63 510.

直径 mm33.544.555.566.5789101112说明: 18~220.060.070.070.090.10 250.100.110.120.140.150.160.17 270.110.120.140.150.160.170.18 320.130.150.160.180.200.210.230.24 340.140.150.180.200.210.230.250.26 380.200.220.250.280.310.330.360.380.40 420.220.250.280.310.340.370.400.420.46 450.290.340.380.420.460.500.540.580.620.69 480.310

直径 mm33.544.555.566.57891011 18~220.060.070.070.090.10 250.100.110.120.140.150.160.17 270.110.120.140.150.160.170.18 320.130.150.160.180.200.210.230.24 340.140.150.180.200.210.230.250.26 380.200.220.250.280.310.330.360.380.40 420.220.250.280.310.340.370.400.420.46 450.290.340.380.420.460.500.540.580.620.69 480.310.360.4

玻璃钢法兰重量(厚度按钢法兰) 6公斤10公斤 口径厚度重量 (公斤) 厚度重量 (公斤) 150.10.2 200.20.2 250.20.3 320.60.4 400.40.5 500.40.6 700.50.8 800.60.9 1000.81.1 12511.5 1501.21.7 1751.42 2001.62.2 2251.72.5 2502.12.9 3002.73.5 3503.34.2 40045.6 45056.6 5005.57.5 600711 玻璃钢管道重量 口径厚度3.14*d*1米*1.85重量 (公斤/米) 150.09 200.12 250.15 320.19 400.24

通风工程设计预算及施工用料计量时,对于变径弯头及大小头等部件的表面积,是按规定的数学计算式计算的。计算过程繁琐复杂。为了解决这一问题,现介绍一种通风管件中变径圆弯头及圆大小头的表面积速算式:1.变径圓弯头表面积速算式的推导

规格高度(ｍ)材料重量（㎏/ｍ）重量（㎏） dn300×250×80.1753045810.15 dn300×200×80.1730452.6168.94472 dn400×350×80.3530478.32627.4141 dn350×300×80.3330468.3622.5588 dn250×200×80.1630447.447.5904 dn200×150×60.1430427.363.8304 dn150×100×4.50.12530414.461.8075 dn65×50×40.93046.235.607 dn32×50×3.50.653043.92.535 dn350×250×80.335碳钢62.5420.9509 dn300×200×80.2碳钢52.0910.418 dn1

33.544.555.566.5789101112说明： 250.050.060.070.080.090.10.110.12 270.060.070.080.090.10.110.120.13 320.10.110.130.140.160.170.180.19 340.110.120.140.150.170.180.190.2 390.130.130.170.190.210.230.250.27 420.140.170.190.210.230.250.280.29式中s=大端壁 450.190.220.230.280.310.340.370.40.43d=小端外径mm 480.20.230.270.30.330.360.340

外径（mm）中心距至端 面的距离 dninchd1*d2h5s10s20s40s80s120s 120*153/4*1/225*1826.7*21.3380.030.040.040.040.0490.050.050.060.070.07 225*201*3/432*2533.4*26.7510.060.060.090.100.110.110.110.110.140.15 325*151*1/232*1833.4*21.3510.050.060.080.090.090.100.090.100.120.13 432*251.1/4*138*3242.2*33.4510.070.080.110.120.1250.1370.140.150.180.20 53