Irrigation Filtration Systems

1. Irrigation Filtration Systems and Pressure Regulation

2. Types of contaminants

Organic algae leaves freshwater shrimp Inorganic silt sand

3. Filtration

Can be before valve extra inline for drip systems at sprinkler head

4. Mesh Screen Filters

Cylinder of mesh or screening Different sizes Mesh

• Microns
• Inexpensive
• Good for organics

5. Disk Filters

Rough surface disks in a stack - Water runs through the disks.

• Particulates are trapped
• In the disks
• Clean water runs out - easier to clean

Good for organics and inorganics https://www.berryhilldrip.com/Netafim-Replacement-Ring-Set-with-Spine-for-Disc-Filters.html

7. Some disk filters are self cleaning

http://www.netafimusa.com/greenhouse/products/system-components/filters/

8. Sand Media Filters

Sand used as a trap for particulates https://zyttech.en.alibaba.com/product/60152840736-221758341/Sand_media_filter_for_drip_irrigation.html

9. Sand Media Filters

https://irrigations.en.made-in-china.com/product-group/JesQxzREmrVl/sand-media-filter-catalog-1.html

10. Sand Separators

https://www.pelmareng.com/arkal_sand/ http://www.rainbird.com/landscape/products/Filtration/CentrifugalSandSeparators.htm

11. UV filtration

http://wrootwater.com/index.php/water-treatment-2/uv-filters/

12. Pressure Regulation

• Hunter Pressure Regulation

13. Pressure Regulation

In-line pressure reducers main line pressure reducer for reducing municipal water pressure

14. Pressure regulation cont.

• PRS spray heads

Hunter accu sync pressure reducer at the valve IIllustration from the Irrigation Association

15. Pressure Regulators

Installing a drip irrigation pressure regulator https://www.youtube.com/watch?v=9iB6g7PfJCg

Referenced Videos

Referenced Links

• https://www.berryhilldrip.com/Netafim-Replacement-Ring-Set-with-Spine-for-Disc-Filters.html
• http://www.netafimusa.com/greenhouse/products/system-components/filters/
• https://zyttech.en.alibaba.com/product/60152840736-221758341/Sand_media_filter_for_drip_irrigation.html
• https://irrigations.en.made-in-china.com/product-group/JesQxzREmrVl/sand-media-filter-catalog-1.html
• https://www.pelmareng.com/arkal_sand/
• http://www.rainbird.com/landscape/products/Filtration/CentrifugalSandSeparators.htm
• http://wrootwater.com/index.php/water-treatment-2/uv-filters/