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automatic filter F480

The self-cleaning Automatic Filter F480 is pneumatically operated and used for the separation of solids in various different media like seawater, river water or process water. The Filter ensures reliable and continuous filtration in a variety of applications like cooling water cycles or water treatment plants. The filter can operate at very low pressures of only ≥ 0,7 bar and is characterized by an unmatched low backflush rate, a compact design and near maintenance-free operation. The F480 utilizes the advanced Multi-Bernoulli cleaning technology. This technology was invented by Georg Schünemann and combines multiple strainers in one filter housing.

THE COMPACT GIANT

Reliable filtration by using the Bernoulli principle

FLOW RANGE
The multi-strainer design allows exceptionally high volume flows of up to 40.000 m3/h with a single and compact filter. Furthermore, the Multi-Bernoulli cleaning technology reduces the backflush significantly. While maximizing the clean water flow the waste water flow is reduced to a minimum. Possible costs for the storage or disposal of the backflush can be reduced significantly.

EFFICIENT CLEAINING
The F480 ensures the safe protection of our customer’s applications with a consistently high filtration quality down to 40 μm. The proven Multi-Bernoulli technology warrants a continues and effective filtration even at low operating pressures starting from only 0.7 bar.

CUSTOMIZED DESIGNS
The F480 can be adopted to all customer requirements and offers a broad range of materials suitable for almost every application. The design allows flexible nozzle positions which ensures a simple integration into the piping. Furthermore, the F480 can be designed according to many national and international codes and regulations, among others, EN13455, ASME, AD2000, EAC and ATEX.

In- / outlet
Housing Material
Design pressure
Volume flow
Strainer insert
Grade of filtration
Design code and guidelines
DN400 – DN1200 (DIN, ANSI)
Stainless steel
Carbon steel rubber-coated
GRP
10 bar
220 to 40.000 m3/h
Slot wedge wire strainer
Basket strainer
≥ 40 µm (slot wedge wire)
≥ 1 mm (basket)
AD2000/ EN13445
ASME VIII Div.1
PED/ EAC
FILTRATION CYCLE (BERNOULLI PRINZIPLE)

Bernoulli‘s principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in static pressure. Georg Schünemann has perfected the utilization of the Bernoulli principle for automatic filters over decades. The distinguishing feature of this filter is the flushing disc, which enables an efficient and contactless cleaning. The cleaning process is completely automatic and requires no manual intervention.

FILTRATION


During normal filtration, particles accumulate from top to bottom on the inside of the strainer.
Cleaning begins automatically according to a timed cycle, or after a high differential pressure signal.

PRE-FLUSHING

During the pre-flushing phase, the flushing valve opens and particularly larger particles are flushed out.

CLEANING



The flow velocity increases locally around the disc within the gap between the flushing disc and the strainer. Simultaneously the static pressure is reduced in accordance with the Bernoulli Principle and the direction of the flow is reversed which releases the particles from the surface of the strainer basket.

5. The released particles are flushed out from the filter via the flushing outlet. Finally, the flushing valve is closed.

The filtration will not be interrupted during the entire cleaning cycle.

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BROSCHURE F480

ANIMATION

GEORG SCHÜNEMANN GMBH

BUNTENTORSDEICH 1

28201 BREMEN

info@sab-bremen.de

Tel.: +49(0)421-5 59 09-0

Fax: +49(0)421-5 59 09-40

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