FD246 WATERCLEAN 3pcs Pre-Filter 3/4"-1", 4m3/h, 40-60μm Inox Mesh 90cm2, Scraper. Self-Cleaning.

WATERCLEAN FD246 Pre-filter, 40-60μm, inox mesh surface 90cm2. 3 Pieces
- Reusable filter, thanks to the use of a durable SS316L stainless steel cartridge, it provides durability for several years.
- Special feature FD246- built-in scraper and rotating ring /wheel to remove dirt from the mesh, without opening the filter.
- Accurate 40/60μm filtration at high flow rates, thanks to the large mesh with 90cm2 filtration area, 33mm diameter (twice the standard 42cm2).
- The larger surface area allows the filter to function correctly in more polluted water and reduces the frequency of cleaning.
- Flow rate up to 4m3/h BIG OUTPUT. Use for water from own well or mains, in residential and industrial buildings.
- The filter protects fittings such as water meters, washing machines, dishwashers, bathroom and kitchen faucets against insoluble impurities.
- Recommended use as the first filter (pre-filter) before sensitive fittings such as softeners, iron removers, osmosis stations, etc.
- If the water quality is very bad with large impurities, it is recommended to install between the main shut-off valve and this filter, another pre-filter with a larger micron rating of 90 μm to retain the largest particles (FERDOM FD177 /178 /180).
- Spin Down filter type - when the drain valve is opened, the vortex of mains water moving downwards cleans the cartridge and removes the collected impurities.
- Easy assembly to the water supply system by means of 3/4" (DN20) and 1" (DN25).
- Larger surface area allows the filter to function properly in more polluted water and reduces the frequency of cleaning.
- Transparent casing allows easy checking of the condition of the mesh inside the filter.

Filter operation
The principle of the pre-filter operation is the separation in the flowing water (filtration principle) of insoluble impurities with a fraction larger than (40/60µm). The smaller the micron rating, the more effective the filtration, but the greater the pressure loss across the filter. In the case of the FD246 filter, thanks to a larger filtering surface (as much as 90 cm2), it was possible to use a cartridge with a finer mesh without losing any pressure. The cartridge is reusable and is cleaned of retained sediment during the manual rinsing phase (Spin Down)

Assembly and use
Easy installation into the water supply system. The pipes must be in a horizontal line so that the filter is mounted in a vertical position. Place of installation behind the stopcock of the water supply to the building or flat.
Regular service consists in checking the level of contamination of the filter cartridge (the casing is transparent) and, if contamination is visible, unscrewing the drain valve. This operation is carried out without turning off the water supply; the scraper knob should be turned left and right several times to mechanically clean the mesh surface.
Then open the drain valve for a moment and turn the scraper again. When the drain valve is open, the water pressure pushes the dirt out of the filter and rinses the filter cartridge/grid. When the drain valve is closed again, the filter returns to the operating cycle.
Occasional service consists of mechanical cleaning of the filter mesh (after opening the filter) or its replacement (once every few years). For this operation it is necessary to turn off the water supply and unscrew the housing from the head.
Installation of shut-off valves recommended but not necessary (the water supply rarely needs to be shut off).

Recommended use:
- In domestic water supply systems (main use).
- Selected industrial applications.
The pre-filter protects household fittings from insoluble impurities from the water mains or your own water supply (sand, rust, small particles of sealing elements, etc.).
In particular, it protects household appliances (washing machine, dishwasher), ceramic heads in bathroom and kitchen faucets, heads of water treatment devices (e.g. softener, de-icer, etc.).
Recommended use as a first filter (pre-filter) before sensitive fittings such as softeners, deaerators, osmosis stations, etc. This increases durability of subsequent filters in the filtration line, which may have a micron rating of e.g. 1 to 40 microns and may quickly become clogged with larger contaminants or damaged.

Filter construction
The pre-filter has a brass head with external thread connections of 3/4" (DN20) and 1" (DN25). .
Filter housing/dome is made of transparent, impact resistant synthetic material allowing for easy monitoring of the cartridge contamination level.
Inside the housing is a robust and durable filter cartridge made of stainless steel SS316L ensuring low operating costs as it only needs to be replaced every few years.
At the bottom of the housing there is a drain valve to which a drain hose (100 cm long included) should be connected and discharged into e.g. the sewer/drain. A service spanner is included for unscrewing / screwing the housing.

Functional principle of the FD246 pre-filter. It is the separation in the flowing water (on the filtration principle) of insoluble sediments with a fraction larger than 40/60μm. The cartridge is reusable and cleans itself from sediments during the manual rinsing phase (Spin Down)

TECHNICAL DATA
Water flow: max 4 m3/h
Connections: - 3/4" (DN20) and 1" (DN25).
Connection spacing: 88mm
Mesh: Height 10.2cm (11.8cm), diameter 3.3cm, area 90cm2
Micronage: 40-60μm, 90cm2 SS316L stainless steel. Code FD249
Maximum working pressure: 0.8 MPa / 8 bar
Working temperature range: 3-30°C, Ambient: 5-45 °C
Head / Filter Housing: Brass / transparent polycarbonate plastic
Drain valve / Hose: Built-in ball valve / 100 cm hose
Height: 22.5cm
Cleaning system: Self-cleaning Spin-down (vortex of flowing water)
The filters are not designed to clean water containing oily substances, fats, solvents, etc. or components dissolved in water.

Replacement cartridges for this filter can be found under the symbol FD249

Information and Manual
https://drive.google.com/file/d/1B5_QFNUoJPYAoaW_u3KFOeMrmTuleJ6L/view?usp

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