建筑水表参数选择参考表.docx

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1、建筑水表参数选择参考表表1单流束旋翼式水表常用参数公称口径mm常用流量Q3m3h常用量程比Q3/Q1最小流量Q1m3h分界流量Q2m3h过载流量Q4m3h80.6800.010.010.75151.6800.020.032.00202.5800.030.053.13254800.050.085.00326.3800.080.137.884010800.130.2012.505016800.200.3220.006525800.310.5031.258040800.500.8050.0010063800.791.2678.75表2多流束旋翼式水表常用参数公称口径mm常用流量Q3m3h常用量程比Q

2、3/Q1最小流量Q1m3h分界流量Q2m3h过载流量Q4m3h151.6800.020.032.00202.5800.030.053.13254800.050.085.00326.3800.080.137.884010800.130.2012.505016800.200.3220.00表3旋转活塞式水表常用参数公称口径mm常用流量Q3m3h常用量程比Q3/Q1最小流量QIm3h分界流量Q2m3h过载流量Q4m3h151.61600.010.022.00202.51600.020.033.132541600.030.045.00326.31600.040.067.8840101600.060.1

3、012.5050161600.100.1620.0065251600.160.2531.25表4水平螺翼式水表常用参数公称口径mm常用流量Q3m3h常用量程比Q3/Q1最小流量QIm3h分界流量Q2m3h过载流量Q4m3h50401250.320.5150.0065401250.320.5150.0080631250.500.8178.751001001250.801.28125.001251601251.282.05200.001502501252.003.20312.502004001253.205.12500.002506301255.048.06787.5030010001258.00

4、12.801250.00400160012512.8020.482000.00500250012520.0032.003125.00600400012532.0051.205000.00800630012550.4080.647875.00表5垂直螺翼式水表常用参数公称口径nun常用流量Q3m3h常用量程比Q3/Q1最小流量QIm3h分界流量Q2m3h过载流量Q4m3h50401600.250.4050.0080631600.390.6378.751001001600.631.00125.001502501601.562.50312.502004001602.504.00500.00表6水平螺

5、翼-旋转活塞式一体化水表计量参数大表口径mm小表口径mm常用流量Q3m3h最小流量Q1m3h分界流量Q2m3h过载流量Q4m3h5015160.941.5018.758020400.500.8025.0010020630.320.5125.00150401600.250.4050.00200502500.200.3262.50表7超声波水表常用参数公称口径mm常用流量Q3m3h常用量程比Q3/Q1最小流量Q1m3h分界流量Q2m3h过载流量Q4m3h801001001.001.60125.001001601001.602.56200.001504001004.006.40500.0020063

6、01006.3010.08787.50250100010010.0016.001250.00300160010016.0025.602000.00400250010025.0040.003125.00表8电磁水表常用参数公称口径mm常用流量Q3m3h常用量程比Q3/Q1最小流量Q1m3h分界流量Q2m3h过载流量Q4m3h801001001.001.60125.001001601001.602.56200.001504001004.006.40500.002006301006.3010.08787.50250100010010.0016.001250.00300160010016.0025.602000.00400250010025.0040.003125.00