Automatic Self cleaning Strainer (FST-AUTO-EL series):
Filtration Process: the media flows into strainer from inlet and through the screen, then the clean water flows out from outlet.
Impurities accumulate to form the filter cakes on the inner surface of screens, at the same time, the pressure difference between the inner of screens and the exterior of screens is formed gradually.
when the pressure difference reaches default value, the signal is sent to PLC(programme logic control) by differential pressure switch,when PLC drives motor, the shaft begins to rotate, then the rotating brush can clean the impurities away from the inner surface of screens.
At the same time, drain valve is opened by PLC, the impurities are discharged from the drain valve by system inner pressure.
Strainer Body: Carbon Steel(Bituminous Epoxy Paint, Epoxy Coating ); Stainless Steel.
Screen: Stainless Steel, Other special material.
Shaft Components: Stainless Steel, Nylon,PVC.
Drain Valve: Cast lron, Brass, Stainless Steel.
①Short self-cleaning time and small pressure loss.
②Through the finite element analysis, the brush shaft, which is the critical component, obtains the better structure, and strength.
③Inteligent control(PLC), high degree of automation
④ Suit for various of raw water qualities and requirements
⑤ Less vulnerable parts, no consumables, less running costs
⑥Self-cleaning with continuous flow
Product Technical Parameters:
1. Flow rate of one piece: 25-2800 m3/h, more discharge can be achieved by more pieces in parallel connection
2. Maximum operating temperature:70 C, products can be customized for higher temperature.
3. Filtration fineness:100-4500 micron.
5. Minimum operating pressure:0.1MPa.
6. Cleaning time:15-60s, cleaning time is set according to actual conditions.
7. Loss of pressure in cleaning:0.01MPa.
8. Control mode: manual, pressure difference or time control.
9.0perating voltage: Three-phase AC 220/380/440V 50/60Hz.
EL strainer installation schematic:
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