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Screen Filtration

Our MAK Water Screen Filters are designed to filter liquids with suspended solids. The Screen Filter’s innovative suction pad design:

  • Enables the filter to be cleaned without stopping the filtration process.
  • Automatically cleans the filter depending on differential pressure or time.
  • Is manufactured from high grade stainless steel.
  • Minimises water used for backwash.

The screen filters can be supplied in three different configurations (O, L and Y), depending on the position of in/out connections. The filter element can be supplied either as a polyester mesh inserted between two 316 net tubes, or as a three layer 316 stainless steel element, with the filtration degree ranging from 25 μm to 810 μm. All filters are supplied with valves, pressure gauges, a differential pressure sensor, cleaning system, and an electronic controller.

Raw water flows into the filter under pressure across the filtering element, trapping the suspended solids inside the housing prior to the filtered water exiting the filter housing. The cleaning of the filtration element can be performed by preset time or when the progressive build-up of suspended solid causes an excessive differential pressure between inlet and outlet (0.8 bar). During the cleaning cycle, the opening of the drain valve and the engine rotation actuate the suction scanning system. The adherence of scanners to the internal surface of the element removes the particles trapped by the filter element. Wastewater and solids are purged through the drain.

If you have specific Screen Filter requirements for your project, then contact us about our custom water filtration systems today.

STANDARD SPECIFICATIONS

ParameterUnitsSF-40SF-80SF-100SF-150SF-250SF-300SF-400
Filtrate Flow Ratem3/hour4080100150250300400
Minimum Operating PressureBar3
Maximum Operating PressureBar10
Maximum Operating Temperature0C80 (Ambient)
pH Range-3 – 9
Backwash DurationsecondsTypically 20 – 45 (operator adjustable)
Flushing Criteria-Differential Pressure (0.8 bar), time intervals and manual operation
Filtration Degreemicron810 / 580 / 400 /  200 / 120 / 80 / 53 / 25
Screen Types-Sandwich element with polyester inner mesh, triple layer element (stainless steel 316)
Filter Body-SS 304 / SS 316 / Duplex
Cover-SS 304 / SS 316 / Duplex
Support screen-SS 316 / DUPLEX
Surface finishing-Micro shot peening and passivation
Power Supply-AC 200~240 V 50/60Hz
Control Voltage-24 V
Compressed Air SupplyBar6 – 8 (if required)

Equipment dimensions

NOTE: Flow rates calculated for the 3 configurations are based on filters with 120 μm filtrating mesh, water with temperature of 20°C and turbidity of < 1 NTU

Shape L

 

Shape O

Shape Y

Shape L

Flow Rate (m3/hr)In / OutDrainDimensions  [mm]Weight (kg)
ABCDEX
402” BSPPDN4050080029620320650027
803” BSPPDN4050080029620320650027
80DN80DN4050080029620320650032
100DN100DN4050085034620320650033
803” BSPPDN4050096029620320665031
80DN80DN4050096029620320665035
130DN100DN40500101034620320665036
140DN100DN50550102534623627365045
250DN150DN50550102534623627365049
150DN100DN50550133034623627365054
300DN150DN505501330346236273100058
400DN200DN505501330366236273100063

Shape O

Flow Rate (m3/hr)In / OutDrainDimensions  [mm] Weight (kg)
ABCDEXY
402” BSPPDN40115045045021320650065027
803” BSPPDN40115045045021320650065027
80DN80DN40115045045021320650065032
100DN100DN40115045045021320650065033
803” BSPPDN40115045045021320665050031
80DN80DN40115045045021320665050035
130DN100DN40115045045021320665050036
140DN100DN501630510640246273650100045
250DN150DN501630510640246273650100049
150DN100DN501630510640246273100065054
300DN150DN501630510640246273100065058
400DN200DN501630510640286273100065063

Shape Y

Flow Rate (m3/hr)In / OutDrainDimensions  [mm]Weight (kg)
ABCDEX
402” BSPPDN4050080029620320650027
803” BSPPDN4050080029620320650027
80DN80DN4050080029620320650032
100DN100DN4050085034620320650033
803” BSPPDN4050096029620320665031
80DN80DN4050096029620320665035
130DN100DN40500101034620320665036
140DN100DN50550102534623627365045
250DN150DN50550102534623627365049
150DN100DN50550133034623627365054
300DN150DN505501330346236273100058
400DN200DN505501330366236273100063


Disclaimer:
MAK Water is continuously updating and improving its products and services, so please contact us for more detailed information or to confirm specifications. MAK Water takes no responsibility for any errors resulting from the use of information contained on this page.