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Self-cleaning Filter

location:JoveFlow Products Self-cleaning Filter

Pressure Self-cleaning Filter PSF

Pressure Self-cleaning Filter PSF

product introduce:The PSF series Pressure Self-cleaning Filter (PSF Filter for short) is designed for continuous filtration of water in pressurized systems. PSF Filter removes debris and particles from natural water sources such as sea water or river water. The PSF filter works in BERNOULLI principle which leads to the simple and highly reliable filtering operation.

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The PSF series Pressure Self-cleaning  Filter (PSF Filter for short) is designed for continuous filtration of water in pressurized systems. PSF Filter removes debris and particles from natural water sources such as sea water or river water. The PSF filter works in BERNOULLI principle, which leads to the simple and highly reliable filtering operation.

CLEANING PRINCIPLE 

The filter element of PSF filter is cleaned by the cleaning disc mounted on the pneumatic cylinder rod. When the cleaning action triggered, the disc moves into the filter element and water passes through the gap between the disc and the filter element. Flow velocity increases around the disc and the static pressure around the disc decreases because of the Bernoulli principle. Around the disc edge, the vacuum effect of lower static pressure makes the filtered water back-flush the filter element surface.

 

 

 

Advantages

Simple and reliable structure with only two moving parts (Clean disc and discharging valve)

Non-contact cleaning, no particle extrusion out of the filter element, efficient filtration

Low and consistant pressure drop (even <0.011MPa) both when clean and dirty

Very low working pressure requirement down to 0.03MPa

Wide flow rate range from 30 to 7000 m3/ h in only one filter unit

No filtration interruption when self-cleaning

Filtration sizes from 0.1 to 2 mm

Easy installation in horizontal or vertical position

 

 

THE COMPLETE AF WORKING STAGES

 

AF Series Bernoulli Self-Cleaning Filter 

Stage 1.Filtration in the upper 2/3 screen In the lower 1/3 reverse flow takes place as a result of high flow velocities in the filter screen entrance. This causes no impurity deposit.

 

AF Series Bernoulli Self-Cleaning Filter

 

 

Stage 2. Filtration in progress The screen starts to gradually get clogged from top to down. Filtration also begins in the 1/3 screen. Reverse flow in the screen entrance area still takes place

 

AF Series Bernoulli Self-Cleaning Filter

 

Stage 3. Filtration and self-cleaning action triggered 2/3 upper screen gets almost clogged Filtration starts on the whole screen surface The self-cleaning action is triggered by differential pressure

 

AF Series Bernoulli Self-Cleaning Filter

Stage 4. Cleaning and filtration The cleaning discharging valve opened The clean disc keeps still in the initial position The coarse particles are easily washed out of the filter The lower 1/3 screen also takes part in the filtration

 

AF Series Bernoulli Self-Cleaning Filter

Stage 5. Cleaning and continuous filtration The cleaning disc moves down into the screen (down to 2/3) Cleaning takes palce on the screen surface around the disc because of the BERNOULLI principle

 

AF Series Bernoulli Self-Cleaning Filter

Stage 6. the disc moves up and down and cleaned the upper 2/3 screen Reverse flow takes place and cleans the lower 1/3 screen Particles are flushed out. The whole screen is cleaned

 

Specification

FILTRATION: 0.2-2.0mm

MAX PARTICLE SIZE: 40mm

MIN SYSTEM PRESSURE: 0.3 bar g

 

MATERIAL

BODY: As indicated above

BASKET: 316L, Titanium, Super Duplex

DRIVING UNIT: AISI 316

PISTON SEAL: Polyurethane

FLUSHING VALVE: PVC or AISI 316/304

 

CONTROLS: Pneumatic, 6 bar air pressure

Voltage 220V, 50/60Hz

 

FUNCTIONS:

Electronic control

Differential pressure sensor

Timer controlled override

Double supervision system

 

 

Relevant

  • Typical applications: water treatment circulating cooling system heat exchanger protection spraying nozzle protection ballast water treatment system Applicable liquids: underground water sea water lake water river water circulating cooling watersewage water process water cleaning water


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