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Screen Filter

MAK Water’s Screen Filters are designed to filter liquids with suspended solids. MAK Water’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
  • Manufactured from high grade stainless steel; and
  • Minimises water used for backwash

They 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, 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. Dirty water and solids are purged through the drain

If you have specific requirements, contact us about our custom water filtration systems.

STANDARD SPECIFICATIONS

Parameter Units SF-40 SF-80 SF-100 SF-150 SF-250 SF-300 SF-400
Filtrate Flow Rate m3/hour 40 80 100 150 250 300 400
Minimum Operating Pressure Bar 3
Maximum Operating Pressure Bar 10
Maximum Operating Temperature 0C 80 (Ambient)
pH Range - 3 – 9
Backwash Duration seconds Typically 20 – 45 (operator adjustable)
Flushing Criteria - Differential Pressure (0.8 bar), time intervals and manual operation
Filtration Degree micron 810 / 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 Supply Bar 6 – 8 (if required)

Equipment dimensions

NOTE: Flow rates calculated for the 3 configurations are based on filt ers 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 / Out Drain Dimensions  [mm] Weight (kg)
A B C D E X
40 2” BSPP DN40 500 800 296 203 206 500 27
80 3” BSPP DN40 500 800 296 203 206 500 27
80 DN80 DN40 500 800 296 203 206 500 32
100 DN100 DN40 500 850 346 203 206 500 33
80 3” BSPP DN40 500 960 296 203 206 650 31
80 DN80 DN40 500 960 296 203 206 650 35
130 DN100 DN40 500 1010 346 203 206 650 36
140 DN100 DN50 550 1025 346 236 273 650 45
250 DN150 DN50 550 1025 346 236 273 650 49
150 DN100 DN50 550 1330 346 236 273 650 54
300 DN150 DN50 550 1330 346 236 273 1000 58
400 DN200 DN50 550 1330 366 236 273 1000 63

Shape O

Flow Rate (m3/hr) In / Out Drain Dimensions  [mm]   Weight (kg)
A B C D E X Y
40 2” BSPP DN40 1150 450 450 213 206 500 650 27
80 3” BSPP DN40 1150 450 450 213 206 500 650 27
80 DN80 DN40 1150 450 450 213 206 500 650 32
100 DN100 DN40 1150 450 450 213 206 500 650 33
80 3” BSPP DN40 1150 450 450 213 206 650 500 31
80 DN80 DN40 1150 450 450 213 206 650 500 35
130 DN100 DN40 1150 450 450 213 206 650 500 36
140 DN100 DN50 1630 510 640 246 273 650 1000 45
250 DN150 DN50 1630 510 640 246 273 650 1000 49
150 DN100 DN50 1630 510 640 246 273 1000 650 54
300 DN150 DN50 1630 510 640 246 273 1000 650 58
400 DN200 DN50 1630 510 640 286 273 1000 650 63

Shape Y

Flow Rate (m3/hr) In / Out Drain Dimensions  [mm] Weight (kg)
A B C D E X
40 2” BSPP DN40 500 800 296 203 206 500 27
80 3” BSPP DN40 500 800 296 203 206 500 27
80 DN80 DN40 500 800 296 203 206 500 32
100 DN100 DN40 500 850 346 203 206 500 33
80 3” BSPP DN40 500 960 296 203 206 650 31
80 DN80 DN40 500 960 296 203 206 650 35
130 DN100 DN40 500 1010 346 203 206 650 36
140 DN100 DN50 550 1025 346 236 273 650 45
250 DN150 DN50 550 1025 346 236 273 650 49
150 DN100 DN50 550 1330 346 236 273 650 54
300 DN150 DN50 550 1330 346 236 273 1000 58
400 DN200 DN50 550 1330 366 236 273 1000 63


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.


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