Hunan, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
68
Year of Establishment:
2015-07-06
Plant Area:
8000 square meters
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Automatic Backflush Filter, Automatic Self-Cleaning Filter, Auto Flush Filter manufacturer / supplier in China, offering Automatic Backwash Sand Media Filter for Water Treatment/Irrigation, Automatic Backwash Disc Filter System for Industrial/Drip Irrigation System, Automatic Back Flushing Disc Water for Seawater/UF/RO Pretreatment and so on.

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Supplier Homepage Products Media filter Sand media filter Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
  • Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
  • Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
  • Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
  • Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
  • Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
  • Automatic Backwash Sand Media Filter for Water Treatment/Irrigation

Automatic Backwash Sand Media Filter for Water Treatment/Irrigation

Min. Order / Reference FOB Price
1 Set US $500-5,000/ Set
Port: Shanghai, China
Production Capacity: 2600 Sets Per Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Type: Water Filter
Usage: Environmental Protection
Motive Force: Pressure
Style: Vertical
Performance: Efficient Filtration
Certification: CE, RoHS

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Basic Info.

Model NO.
DMF-4824-2A
Media
Quartz Sand
Tanks Quantities
1-10
Tank Thickness
6/8/10mm
Housing
Carbon Steel/Stainless Steel
Working Pressure(Max.)
10 Bar
Backwash Pressure(Min.)
2 Bar
Pressure Loss
Less Than 0.2bar
Back Time
20-200s
Application
Industrial/Irrigation
Control Way
Differential Pressure/Time/Manual
Filtration Effect
20/10/5 Micron
Trademark
CDFS
Transport Package
Corrugated Paper Plus Plastic Film
Specification
16-96"
Origin
China
HS Code
8421219990

Brief introduction

Sand filter system include tanks with underdrain system, backwash valve, piping and automatic control system.


DMF filters are designed for the most challenging dirty water conditions with a high performance solution for water filtration down to 20 microns. These durable carbon steel filters utilize a 24"-54" vertical side shell depth for removal of organic and inorganic suspended solids for filtering large volumes of water with very little pressure drop and a long-term value. 

Application

  • Commercial - Golf course and sporting field irrigation systems.
  • Industrial  - Pre-preteatment of UF/RO and waste water recycling.
  • Irrigation - Primary filtration for the prevention of blockages in irrigation system
  • HVAC- cooling tower side filtration and full system
  • Metal Processing Plants - Filtration for water cooling and spray nozzles.
  • Mining - Cleaning of process and waste water.


Technical requirements

Min. pressure: 0.15Mpa
 Max. pressure: 1.0Mpa 
 Working temperature: <65ºC 
 Tank thickness: 4/6/8mm 
 Power: 220V/110V/battery 

Indutrial Sand filter model selecting table

ModelTanks QTYFlow min.
(m3/h)
Flow max.
(m3/h)
Filtration area
(m2)
Backwash flow
(per tank)m3/h
Maximum
pressure(bar)
Water
in/out
Backwash
 pipe
DMF-2024-1A1460.2682"2"
DMF-2424-1A17110.281182"2"
DMF-2024-2A28120.4682"2"
DMF-2824-1A19.5150.381582"2"
DMF-2024-3A312180.6683"2"
DMF-2424-2A214220.561183"2"
DMF-3624-1A116240.642483"3"
DMF-2824-2A219300.761584"2"
DMF-2424-3A322320.841183"3"
DMF-4824-1A129431.134383"3"
DMF-3624-2A232481.282484"3"
DMF-2824-3A328.5451.151584"3"
DMF-5624-1A139581.545884"4"
DMF-3624-3A348721.922486"3"
DMF-4824-2A257862.264386"4"
DMF-5624-2A2781083.085486"4"
DMF-4824-3A3861293.394386"4"
DMF-5624-3A31171744.625888"4"
DMF-4824-4A41151724.524388"4"
DMF-4824-5A51432155.654388"4"
DMF-4824-6A61722586.7843810"4"
DMF-5624-4A41562326.165888"4"
DMF-5624-5A51952907.758810"4"
DMF-5624-6A62343489.2458810"4"


Working princinple

The Filtering Process
Filtering with media filters, also known as depth filtration, is done by filtering water through a thick layer of graded particles, called the filter bed. These particles can be sand, gravel or other granular materials. The filtration degree depends on the effective size of the bedding and the water velocity through the filter. 
Raw water enters from the filter inlet (1) and percolates through the filter bed (2). Suspended materials come into contact and attach to the media particles. Clean water flows through the filtration nozzles (3) and out of the filter via the outlet valve (4). 
The gradual dirt buildup in the filter bed causes an increase in the pressure differential across the filter and when it reaches its maximum design value, a cleaning process should be performed. In automatic media filter installations a pressure differential switch senses the pressure differential and when it reaches a preset value, the self cleaning process begins. 
  
 


Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
The Cleaning Process

Cleaning is done by backwashing; pressurized water flows in reverse direction - from the nozzles upwards, causing suspension of the filter bed, thus releasing the suspended matter from the bedding. The dirt particles are then washed out of the filter through the back-flush valve. In automatic media filters installations the cleaning process is done by the system's controller. When the pressure differential switch senses that the differential pressure across the system reached a pre-set value, a signal is sent to the flushing controller and the self cleaning process begins.

Automatic Backwash Sand Media Filter for Water Treatment/Irrigation

Cases picture
Automatic Backwash Sand Media Filter for Water Treatment/Irrigation

Company introduction

    
  Based in China, Hunan Dawning is water filter system company developing,producing and selling over past 16 years.

The main products include automatic back washing filter, self cleaning filter,sand media filter, disc filter, valves and accessories,dosing system,etc. We could provide efficient,stable solutions for industrial,irrigation and municipal water treatment.

They are widely used in construction, steel, electricity, petrochemical, metallurgical, pharmaceutical, paper, automotive, hotels, municipal and other major industries.
We have exported to hundreds of countries and regions such as America, Canada, Chile, Australia, Italy, UK, Singapore,Philippines,Malaysia,Indonesia, Dubai, etc.

We owned 9 patents and adopted the ISO9001 and CE. 


Factory view
Automatic Backwash Sand Media Filter for Water Treatment/Irrigation
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Automatic Backwash Sand Media Filter for Water Treatment/Irrigation




 

 

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