Automatic Vertical Backwashing Screen Filter for Industrial

• Type: Water Trearment
• Usage: Environmental Protection
• Motive Force: Electric power
• Style: Vertical
• Performance: Efficient Filtration
• Certification: CE, ISO
• Model NO.: DLD
• 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.Water outlet
3:Pressure indicator
4:Water inlet
5.Screen
6.Cleaning brush
7.Automatic drain valve


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



 


FY SERIES self-cleaning filter specification table

Model	Water in/outlet (mm)	A (mm)	B (mm)	C (mm)	D (mm)	Power (KW)	Max flow (m3/h)	Weight (Kg)
DLD-FY-50	50	870	545	690	420	0.12	19	50
DLD-FY-65	65	870	545	690	420	0.12	30	70
DLD-FY-80	80	870	545	690	420	0.12	50	80
DLD-FY-100	100	1270	860	690	420	0.18	80	105
DLD-FY-150	150	1365	980	750	420	0.18	150	160
DLD-FY-200	200	1670	1175	850	518	0.25	320	225
DLD-FY-250	250	1732	1236	1030	620	0.25	490	260
DLD-FY-300	300	2268	1573	1380	680	0.37	710	395

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