城市园林绿地滴水灌溉系统规划(英文）（18页）.pptx
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城市园林绿地滴水灌溉系统规划(英文）（18页）.pptx
1、Drip Irrigation Best to find out what the water pressure is in your building. Fit a pressure gauge to the isolation valve. Pressure should be about 60 to 75 psi Backflow Preventer Prevents dirt, salmonella, etc from being sucked back into drinking water system. Important Always use backflow prevente
2、r on every drip system Pressure Regulators and Pressure Reducing Valves You will need to install a pressure regulator on your drip system if your water pressure is higher than 2,8 bars (40 PSI). Types of filters Screen Filter Most Common Cheap Excellent for removing hard particulates from water, suc
3、h as sand Media Filter Best for removing organic material from the water Centrifugal Filters Also known as sand separators, centrifugal filters are primarily for removing particulates, such as sand, from the water Disk Filters Disk filters are a cross between a screen filter and a media filter, with many of the advantages of both. Disk filters are good at removing both particulates, like sand, and
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