Automatic Backwashing Filter for Water Treatment

• Customization: Available
• Type: Water Trearment
• Usage: Environmental Protection
• Model NO.: DLD-FL
• Style: Vertical
• Performance: Efficient Filtration
• Certification: CE, ISO
• Pressure: 2-10bar
• Flow Rate: 6~4000m3/H
• Material: Carbon Steel/SS304/SS316
• Precision: 50~2000microns
• Transport Package: Wooden Case
• Specification: 1~5CUB
• Trademark: CDFS
• Origin: Changsha, Hunan, China
• HS Code: 8421219990
• Production Capacity: 200 Sets/Month

Product Description

Product structure

 
1.Electric motor
2.Automatic drain valve
3:Screen
4:Cleaning brush
5.Water inlet
6.Water outlet

Product principle
The water flows through the screen and the particles are retained on the inside of the screen of the filter element. The filtered water then flows out through the outlet.

 When the particles accumulated to a certain number and the pressure differential increases to the pre-determined level, the flushing cycle starts. 
It include two steps: First, the automatic drain valve opens on the drainage outlet. Then, electronic motor drives the cleaning brushes which are inside the screen, the solids are expelled through the drain valve.
Filters continue to supply filtered water even during the flushing cycle.The whole working system is controlled by a smart box which has several control modes: pressure differential, time, manual and PLC.

Technical parameters
A single maximum flow capacity is up to 4000m3 / h
Wide filtration range:screens from 4000 to 20 microns
Working pressure(min)≥0.18Mpa
Working pressure(max)≤1.6MPa(customized is available)
Working temperature ≤65ºC
Power supply: 380 v / 50 Hz (Customized is availabel)
Cleaning method: brush type
Adjustable cleaning time: 10-200 seconds

Filter material
Shell: carbon steel, 304 stainless steel, 316L stainless steel
Screen: 304 stainless steel, 316L stainless steel
Brush holder: 304 stainless steel, 316L stainless steel
Drain valve, cast iron,copper,stainless steel,PVC,nylon
Controller: PVC, aluminum
Seal ring: EPDM rubber
Cleaning brush: stainless steel, nylon
 
Loss of pressure table


FL series self-cleaning filter specification table

Model	Water  in/out (mm)	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	Power (KW)	Max flow (m3/h)	Weight (Kg)
DLD-FL-50	50	240	250	700	560	420	900	0.12	19	50
DLD-FL-65	65	240	250	700	560	420	900	0.12	30	70
DLD-FL-80	80	240	250	700	590	420	900	0.12	50	80
DLD-FL-100	100	240	400	950	590	420	1250	0.18	80	105
DLD-FL-150	150	260	490	1080	610	420	1400	0.18	150	180
DLD-FL-200	200	330	590	1410	680	518	1860	0.25	320	235
DLD-FL-250	250	380	630	1490	780	620	1990	0.25	490	260
DLD-FL-300	300	415	790	1850	830	680	2650	0.37	710	420
DLD-FL-350	350	415	790	1850	830	680	2650	0.37	970	620
DLD-FL-400	400	465	790	1950	930	780	2750	0.37	1260	738
DLD-FL-450	450	510	790	1980	950	870	2860	0.37	1600	860

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