Customizability Water Treatment Equipment - Automatic Backwash Valve
1 . Descriptions:
Automatic backwash valve is a kind of valve used for automated control of backwashing process, which cleans the media in the filter or filtration system by reversing the water flow, removing the deposited impurities and restoring the filtration efficiency. The working principle of the automatic backwash valve is to automatically trigger the backwash process through the automatic control system according to the preset conditions (such as time interval, pressure difference or flow rate change), the water flow enters the filter through the water inlet, the filtration medium intercepts the impurities in the water, and the purified water flows out from the water outlet, and the automatic backwash valve switches to the backwash mode when it reaches the preset conditions of backwash (such as timing, pressure difference or flow rate change). The reverse water flow enters the filter through the backwash port, the strong water flow flushes the filter medium, takes away the impurities, the impurities washed down are discharged through the discharge port, and the filter medium is cleaned and regenerated, after the end of the backwash, the automatic backwash valve is switched back to the normal filtration mode, and the filtration system resumes normal operation.
2 . Product parameters:
| Model Number | Materials | In-out/Connection | Drain port/Connection |
| D-4×3 | Cast iron | DN100(4")flange | DN80(3")/Bayonet (outer) |
| DN65(2.5")/BSP thread (inside) |
| D-4×4 | DN100(4")flange | DN80(4")/Bayonet (outer) |
| DN80(3")/BSP thread (inside) |
| ※parameter and detail are customizable to clients' demands. |
3 . Main Performance Parameters:
1. Automatic control: with automatic control function, it can automatically carry out backwashing operation through time, pressure difference or flow rate change.
2. Efficient cleaning: strong reverse water flow effectively removes the impurities in the filter media, significantly improving the filtration effect.
3. Water-saving and energy-saving: the backwashing process uses less water, saves water resources and reduces operational energy consumption.
4. Corrosion resistance: the valve body and internal components are made of corrosion-resistant materials, suitable for a variety of water environments.
5. Convenient maintenance: reasonable structural design, easy to disassemble, convenient for daily maintenance and overhaul.
4 . Appliance:
1. Water treatment system: applied to the backwashing of filter tanks in water treatment plants, sewage treatment plants, industrial wastewater treatment and other systems.
2.Industrial circulating water system: used for cooling water filtration and backwashing in industrial circulating water system of power plant, chemical plant, iron and steel plant.
3. Agricultural irrigation: used for backwashing of drip and sprinkler filters in agricultural irrigation systems to ensure irrigation water quality.
4. Swimming pools and water features: used in swimming pools, fountains and water features to backwash the filtration system and keep the water quality clean.
5. Other applications: widely used in water filtration systems in paper making, pharmaceutical, food and beverage industries.
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