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Vertical Style Process Water Filter , 1.0 MPa Industrial Water Purification Systems

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Shanghai LIVIC Filtration System Co., Ltd.
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-68173577-8024
Contact Person:
Miss Lyla Tan

Vertical Style Process Water Filter , 1.0 MPa Industrial Water Purification Systems

Brand Name : LIVIC
Model Number : AF
Certification : CE/ISO9001/SGS
Place of Origin : China
MOQ : 1 pc
Price : Negotiation
Payment Terms : T/T
Supply Ability : 200 pcs per year
Delivery Time : 60 days after received your payment
Packaging Details : wooden case
Application : sea water, cooling water system
Style : lHorizontal/Vertical
Flowrate : 30-6500 m³/h
Housing Material : 304/316L/duplex 2205/CS/FRP
Filtration Rating : 200-2000μm
Standard Design Pressure : 1.0MPa
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Bernoulli Self Cleaning Filter AF Seires for Spray Nozzle Protection


The AF Series Bernoulli Self-cleaning Filter ( AF Filter for short ) is designed for automatic continuous filtration of water in the pressurized systems. AF Filter removes debris and particles from natural water sources such as sea water or river water. It is the ideal solution for the coarse water filtration ranging from 200μm to 2000μm. The AF filter works in Bernoulli Effect Principle, which leads to the simple and reliable filtering operation. It cleans the filter screen with surface cross flow and the back-flushing flow, which brings higher particle removal efficiency than the conventional brush filter. Many particles larger than the screen aperture are extruded through the screen when a brush filter is brushing and cleaning.

Bernoulli System pioneered the application of the Bernoulli Principle, named after the Swiss scientist Daniel Bernoulli, to water filtration. The distinguishing feature of a Bernoulli Filter is a disc mounted on a pneumatic cylinder, which enables contactless cleaning of the filter. The cleaning sequence itself is automatic and continuous, requiring no manual intervention.

The filter screen of AF Bernoulli Filter is back-flushed d by the cleaning disc inside, which is mounted on the piston rod driven by the pneumatic cylinder. When the cleaning action triggered, the disc moves into the filter screen and the water passes through the gap between the disc and the filter screen inner surface. Flow velocity is accelerated when the water passses the gap, while the static pressure around the gap is reduced because of the Bernoulli Effect Principle. Around the disc edge, the vacuum effect of lower static pressure back-flushes the filter screen inside surface with the filtered water.

Filter Screen

AF Bernoulli Filter mainly uses the slotted screen, which can be easily back-flushed clean and rarely get clogged. the slotted screen has the uniform and precise slots and very long service life. The filtration degree ranges 200μm to 2000 μm. 304, 316L, duplex 2205 are available for screen material. The 304 is ecomonic and suitable for the normal fresh water. the 316L is for the normal anti-corrosion request against the sea water. The duplex 2205 is the most ideal screen material for the long service life in the sea water.

The perforated screen is also vailable for the coarse filtration larger than 1000 μm if specially requested.


Filter Main TypeS SeriesG SeriesR Series
Control ModeD.P. and time mode
D.P. Instrumentdifferential pressure transmitter
Filter Screen Material304/316L/duplex 2205
Housing Material304/316L/duplex 2205/CS
Flushing ValvePneumatic butterfly valve
Power Supply110V/220V/380V/440V AC
Largest Removable Particle6mm
Housing SealNBR
Compressed Air Supply0.6Mpa clean and dry compressed air
Working Pressure30Kpa
Filtration Rating200-2000μm
Design Pressure (Mpa)0.6/1.0/1.6/2.5
Design Temperature80℃
Flowrate Range30-6500 m3/h
Cleaning Pressure Drop11Kpa
Inlet and Outlet SizeDN65-D800
Piston Rod Material316L
Piston Rod SealPU


Typical Applications water treatment prefiltration, circulating cooling system, heat exchanger protection, spraying nozzle protection, ballast water treatment system, ultrafiltration membrane protection

Applicable Liquids underground water, sea water, lake water, river water, circulating cooling water, sewage water, process water, cleaning water


■ Only two moving parts (the cleaning disc and the flushing valve )

■ Simple and reliable design structure, very easy to open for maintenance

■ Non-contact back-flushing cleaning, no particle larger than the screen aperture extruded through the filter screen

■ Consistant low pressure drop (<11Kpa) when the filter screen is clean or dirty

■ Very low working pressure requirement down to 30Kpa

■ Wide flowrate ranging from 30 to 3000 m3/ h with one single filter housing

■ No filtration interruption when back-flushing

■ Filtration degree ranges from 200μm to 2000μm

■ Flexible installation in the horizontal or vertical position

■ Equiped with differential pressure transmitter as d.p. instrument

Product Tags:

Water Cleaning Filters


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