Products » ARENA model sand filters (single)

ARENA model sand filters (single)

ARENA model sand filters

Static sand or grit filtering system

ARENA model sand filters



funzionamento filtro a quarzite arena

Working during filtration »

 

autopulizia del filtro a quarzite

Filter back-washing »

 

 

Manual Arena part numbers and flow rates »

 

 

Automatic Arena part numbers and flow rates»

 

 

Automatic Arena part numbers and flow rates- IN BATTERY »

Specific filtration requirements for waters intended to irrigation or micro-irrigation in agriculture request sand filtration systems. The filtration process takes place with the passage of water from the top to the bottom through the grit layers.

Particles are gradually kept till the below layer is reached and the filtration efficiency increases as the liquid goes down.

Basically it occurs the same natural process of water going through the earth layers before reaching the underground stratum.

Available in such models:

  • Manual individual »(enter)
  • Automatic individual »(enter)
  • In battery »(enter)
     
Modelli:
The manual and automatic individual versions are available in the following dimensions: from Ø 500 mm to Ø 1200 mm, with flow rates from 200-400 liters/minutes to 1200-2400 liters/minutes.

Battery versions configurations from
2x, 3x, 4x, 5x, 6x, 8x with diameters that go from
Ø 500 mm to Ø 1200 mm.

These filters and the frame are completely manufactured in painted or zinc-coated steel.
In the inside lower part, Arena filters are equipped with filtering arms with 0,25 mm nozzles through which water flows outside.
 
Applications
Being this a static drop filtration system, it is suitable to any kind of filtration of waters coming from:
  • canals
  • lakes
  • rivers
Ideal for usage in agriculture (irrigation system).

Filtration rate:
It equals a filtration rate of: 100 µ.
It assures the trapping of very small particles such as:
  • algae
  • organic materials
  • micro-organisms
  • colloids

It is advisable to mount upstream, a pre-filter such a Hydrocyclone that can remove up to 90% sand and solid particles or a screen filter.
» Enter in www.filtriidrocicloni.it

Operation during filtration:
The example refers to an automatic single model equipped with a screen pre-filter for the back washing (enter)

Back-washing:
Over time filtration becomes less efficient and flow rate loss in outlet may occur (or loss of load) (enter)

Maintenance:
If properly used and dimensioned, maintenance is basically null.
The forced back-washing system clan and re-generates the grit layer which, besides, over time, needs to be replaced.
Total grit replacement frequency depend on the filter usage conditions and on the kind of water to be filtered.

Grit replacement
We normally advice grit complete replacement every 4-5 years because over time grit tends to get round by smoothing consequently blocking the micro-holes of the filtering arms placed at the bottom (flow rate decrease).

Versions, part numbers, flow rates

 

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efficenza della microfiltrazione

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Filtrazione

La filtrazione
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sistema_filtrazione_dischi

Sistema di filtrazione
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Brevetto

Brevetti
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Brevetto

Il riutilizzo dell'acqua
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OFFICINE MECCANICHE PARENTI S.r.l.
Via Emilia n° 51/E 40011- Anzola dell’Emilia (Bologna) - Italy
Tel.: +39 (051) 73.21.90 - info@omparenti.com
P.IVA e C.F.: 02577301209 NUMERO REA: BO - 450522 ISCRITTA NELLA SEZIONE ORDINARIA IL 03/08/05
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