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1.High filtering precision, 2.Automation control, 3.Convenient installation, 4.High flow sand filter for industrial - details see: https://www.machineto.com/commercial-automatic-backwash-sand-filter-10230274

Working principle

A-S 660 series sand filter which use quartz sand as a filter medium is a high efficiency filter, It can effectively remove the suspended substance, microorganisms, and other fine particles in water. Ultimately achieve to reduce water turbidity, purify water quality. When the filter work normally, sewage through the water inlet to the dielectric layer, then a majority of the contaminants trapped in the medium surface, fine dirt and other floating organic matter trapped in the medium layer. When the impurity in the water and suspended matter reaches a certain amount of time, the filter system through the differential pressure control device for real time detect the pressure difference between inlet and outlet. When the pressure reaches the certain value, the electric control PLC send signals to the three way solenoid valve of control system. The three way electromagnetic valve through a water automatic control corresponding to the filtering unit three way valve, closing the inlet channel and at the same time to open the discharge channel, because the discharge channel less pressure, other filtration unit of water in water under pressure from the outlet of the filter unit to enter, and continued to scour the filtration unit of the dielectric layer, thereby achieve cleaning the medium effect, after rinsing wastewater under the action of water pressure by the filtering unit of the sewage outfall into the sewage pipe,then complete a sewage process. This kind of filter can also be used for timing control of sewage, when time reaches the set time timing controller, electric control box issued a clean signal to the three electromagnetic valve, the discharge process as above.

Technical parameters

• Single filter water flow: 50m3 / h
• Pressure rating: 0.25Mpa~2.5Mpa
• Working temperature range: 0 ~ 65 °C
• Effluent turbidity:less-than three
• Inlet and outlet Connection: flange
• Backwash water: for total filtered water 1 to 3%
• Control mode: pressure control; PLC timing control;
• Installation: vertical, horizontal

Model	D(mm)	D1(mm)	H(mm)	H1(mm)	weight(Kg)	filter area(m2)	The clean water (m³/h)
S605	300	37.5	116.5	150	42	0.07	2-5.6
S610	400	50	1105	180	45	0.12	4-9.6
S620	500	25-75	1210	180	47	0.2	8-16
S635	625	50-100	1200	180	58	0.3	12-24
S640	750	50-100	1070	300	125	0.44	17-35
S650	900	50-100	1110	300	197	0.63	25-50
S660	1200	50-100	1110	300	290	1.13	45-90

Size chart