• Shanghai LIVIC Filtration System Co., Ltd.
    Mr. Gustova
    LIVIC is our worth-trust partner and privide us reliable filtration support.
  • Shanghai LIVIC Filtration System Co., Ltd.
    Mrs. Shurko
    LIVIC provide us the proper filter for our painting filtration.
Contact Person : Lyla Tan
Phone Number : 86.21.68173577-8024

304 Pneumatic Driven Self Cleaning Filter For Polymer Coatings DFA41

Place of Origin Shanghai
Brand Name LIVIC
Certification ISO9001/SGS/CE
Model Number DFA
Minimum Order Quantity 1 pc
Price Negotiation
Packaging Details Polywood
Delivery Time 60 work days
Supply Ability 100pcs per year

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Product Details
Housing Material Stainless Steel304/316L/Carbon Steel Filtration Degree 50-2000 Micron
Viscosity 1-800000 Centipoise Flowrate Rang 10-1800 L/s
Design Pressure 10 Bar Design Temperature 200℃
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Self Cleaning Filter For Polymer Coatings

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Pneumatic 304 Self Cleaning Filter

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2000 micron Self Cleaning Filter

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Product Description

304 Pneumatic Driven Self Cleaning Filter For Polymer Coatings DFA41

 

 

  • Elimination or reduction in disposable filter bags and cartridges for reduced operator handling inventory costs and landfill waste
  • Reduction in product loss, more thorough contaminant purge in a highly concentrated waste stream
  • Virtually maintenance free, near 100% uptime
  • Compact design, lower capital cost to fit most installations
  • Stainless steel screens from 50 micron slots to 1/4" perforations to handle a wide range of filtration needs 
  • Reduction or elimination of operator intervention for safer operation

Specifications:

 

Filter Main Type DFA7 DFA22 DFA41 DFA71 DFA213 DFA284
Filter Area(㎡) 0.07 0.22 0.41 0.71 2.13 2.84
Filter Element Qty. 1 3 4
Volume(L) ~4 ~24 ~42 ~175 ~620 ~760
Inlet&Outlet Size DN25-DN50 DN50-DN80 DN65-DN100 DN80-DN125 DN100-DN150 DN150-DN250
Purge Size DN40
Applicable Liquid water and viscous liquid (<800000cps),impurities content<1000ppm
Standard Design Pressure 1.0MPa,higher design pressure available
Design Temperature 0-200℃(determined by seal materials)
Cleaning D.P. 50-100KPa(differs by the liquid viscosity)
D.P. Instrument pressure transmitter / differential pressure transmitter
Inlet&Outlet Standard HG20592-2009 Flange(standard, DIN compatible ), HG20615-2009 Flange ( ANSI B16.5 compatible)DIN11851 sanitary coupling, female thread
Filter Element Series MS/NS/AS
Housing Wet Part Material
Piston Material 316L
Scraper Material PTFE
Housing Seal Material NBR/EPDM/VITON/Silastic/FEP encapsulated Silastic
Element Seal Material NBR/EPDM/VITON/Silastic/FEP encapsulated Silastic
Piston Rod Seal Material NBR/PU/VITON
Purging Valve Full-port pneumatic ball valve, single action or double action, material 304/316
Facility Supply Requirement 220V AC for control system, 0.4-0.6MPa clean and dry compressed air
Custom-made Design

jacket design for thermal oil or steam, keep the temperature and fluidity
ex-proof design includ

ing the instruments and control system, for flammable and explosive applications
food grade design, safety and sanitary, easier to clean

 

 

 

 
Working Principle
 
[ Filtering Status ]
Liquid enters the filter from the inlet. The spring-loaded disc-shape scraper tightly fits the filter element internal surface and stops at the top of the filter element. The liquid passes the scraper and flows across the filter element from inside to outside. The impurities are blocked on the inner element surface. The liquid flows out from the outlet. After running for a period, more and more impurities accumulate and the pressure drop increases. Clean the filter element by the preset differential pressure or the preset time cycle.
 
[ Cleaning Status ]
The cylinder drives the scraper moving up and down and cleaning the filter element. When the scraper moving down, the impurities are pushed down to the filter bottom, and gravity particles settle down to the impurity collection chamber. When the scraper moving up, the remaining impurities are pushed to the top of the filter element and then flushed off by the liquid. The impurities pass the scraper, get back the filter element internal surface and then scraped off when the scraper moving down. Each cleaning cycle consists of several strokes. After cleaning, the filter element are regenerated. When cleaning, it filters normally and flowrate is not interrupted.
 
[ Purging Status ]
After several cleaning cycles, the impurities accumulate more and more. Open the valve periodically and purge the waste liquid of high impurity concentration, which can be recovered if necessary.

 

304 Pneumatic Driven Self Cleaning Filter For Polymer Coatings DFA41 0

 

 

 

 

Applications:

■ Applicable Industries: petro-chemical, fine chemical, pulp and paper, food and beverage, water treatment, etc.

■ Applicable Liquid Types: wax, coal oil, monomer, polymer, citric acid, fermented broth, cosmetics, silicon solution, soap, sorbitol, steriodsugar, wet end additives, adhesives, inks, lubricating oils, coatings, resin, rubber, ethanol, miscella, edible oil, juice, diesel, etc.

 

TECHNICAL FEATURES AND ADVANTAGES

 

■Up-and-down reciprocating scraping, scrape impurities off directly, especially good at viscous liquid filtration and removing viscous suspending impurities
■Simple structure, easy disassembly, pull the filter element out easily after removing the scraper, easy for internal cleaning
■Automatic operation, continuously on-line filtration, terminate the hard work of filter element replacement and cleaning
■No disposable filter media, save the cost of filter media consumption and the environment treatment
■Very low filtration pressure drop, steady flow rate, save the energy, good for keeping the process continuous and steady
■Closed filtration, prevent danger of liquid leakage, good for safety production and operator’s health304 Pneumatic Driven Self Cleaning Filter For Polymer Coatings DFA41 1