Filter Series SP L

From 800 to 80 micron

 

MAIN TECHNICAL CHARACTERISTICS:

  • Filtration degree from 800 to 80 μm on polyester mesh/ AISI316
  • Maximum flow rate 1000 m3/h with a single filter
  • Minimum quantity of water at discharge

APPLICATIONS

  • Pre-filtration in UF systems
  • Evaporation towers
  • Spray nozzle protection
  • Heat exchangers
  • Irrigation
  • Sea water

 

OPERATION

WORK

Water enters the filter through the inlet (IN), it goes through the filtering cylinder (1) from inside out, which retains the suspended filters to be filtered; it retains all suspended solids with size larger or equal to the filtration degree installed. Filtered water leaves through the master valve (2).

REGENERATION

The continuous settling of suspended solids obstructs the passage of water which results in a pressure difference (∆P). At a preset value of ∆P (range 0.3 ÷ 1 Bar) an automatic cycle will start to clean the filter cylinder (1). This operation starts with a signal that closes the outlet valve, (2) which clears the ∆P, and opens the discharge valve (3). At the same time the electric motor (4) rotates the brushes (5) in the filtering cylinder to clear away the contaminant that is ejected through the discharge valve (2). The cleaning cycle lasts approximately 20 seconds.

SPL” width=





FILTER ELEMENT AND CLEANING SYSTEM
SPL4

IMAGE OF FILTER INTERIOR
SPL5


CONTROL

A switchboard controls the washing phases. The signal that starts the cleaning cycle is given by a differential pressure switch. The switchboard gives an “alarm” signal in case of problems in the washing system. These signals can be sent to a pre-existing control centre. The washing phase can also be controlled manually. The solenoid controlling the valve is pneumatic.


DIMENSIONS AND TECHNICAL DATA

SPL6

SPL7

These technical data are indicative and subject to changing without notice.

The max suspended solids at inlet is an important factor, because depending on their size distribution and their specific weight they can clog up the filter in a different way.


DESCRIPTION OF PARTS

SPL8

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