Pre-filtration and Filtration of Drinking and Industrial Water

Automatic Electric Self-Cleaning Screen Filters

 

 

af200e-automatic-screen-filters-img01.jpgSERIES AF-200E

 

 

Standard Features:

  • Minimum operating pressure: 1 bar
  • Maximum operating pressure: 10 bar
  • Clean filter pressure loss: 0.1 bar
  • Maximum water temperature: 65°C
  • Filtration range: 10 - 3000 micron
  • Electric motor: 400V/50Hz~60Hz, 0.2kW
  • Flush water consumption [at minimum working pressure]: 7 liter
  • Filter housing materials: carbon steel coated with baked on epoxy

 

 

af200e-automatic-screen-filters-img02.jpg

 

Model

Conn. Size

ØD

[inch]

Screen

Area

[cm²]

* Maximum

Flow Rate

 [m³/h]

** Flushing

Flow Rate

[m³/h]

ØD1

 

[inch]

X

 

[mm]

Y

 

[mm]

H

 

[mm]

Weight

 

[kg]

AF-202EF

2

1100

30

6

10

220

197

754

57

AF-202EFS

2

1630

30

6

10

220

197

860

68

AF-203EF

3

1100

40

6

10

220

197

754

65

AF-203EFS

3

1630

50

6

10

220

210

855

70

AF-204EF

4

1630

80

6

10

220

210

855

73

AF-204EFS

4

2770

90

20

10

220

315

1167

90

AF-206EF

6

4120

130

20

10

220

400

1397

140

AF-208EF

8

5240

200

20

16

305

450

1480

190

 

 

 

 

 

 

 

 

 

 

S

Filter with large filtration area

*

Flow rate data is for high quality water at filtration grade of 120 micron

**

Flushing flow rate data is for minimum operational pressure [1 bar]

 

Pressure Loss at 120 Micron

af200e-pressure-loss.jpg

 

Operation Information for AF-200E Series Electric Self-Cleaning Filter

 

Filtration

Water enters the filter through the “Inlet” [7]. The water then reaches the fine screen [6], which purifies the flow by separating smaller particles from the water. As more water flows through, impurities build up on the fine screen.

As impurities on the screen accumulate, a pressure imbalance is built up between the internal section of the fine screen [6] and its external section.

 

Cleaning Process 

When the difference in pressure [ΔP] reaches the preset value on the differential pressure indicator [11], a series of events is triggered while water continues to flow to the system units. The controller transmits a signal for a 15 second flushing cycle. The flushing valve [3] opens, pressure is released from the hydraulic piston [1] and water flows outside. Pressure in the hydraulic chamber [4] and the dirt collector [2] is significantly lowered resulting in a suction process via the suction nozzles [8] to the dirt collector [2] and from there to the hydraulic chamber [4] through the flushing valve [3] outside. The electric motor [12] simultaneously rotates the dirt collector [2] around its axis. The pressure is released from the piston [1] and the high pressure inside the filter causes vertical movement of the dirt collector. The combination of the vertical movement and rotation efficiently cleans the entire internal screen [6] surface.

 

At the end of the 15 second cycle the flushing valve [3] closes and the operation of the electric motor [12] is stopped. The increased water pressure returns the hydraulic piston [1] to its initial position. The filter is now ready for the next cycle, with clean and filtered water flowing through the “Outlet” [5].

 

The 15 second flushing cycle resumes operation whenever the difference in pressure reaches the preset pressure value set on the differential pressure indicator. If the pressure difference remains unchanged after one cycle, another cycle will start after a delay of 15 seconds.

 

 

af200e-automatic-screen-filters-img03.jpg 

Legend:

  1. Hydraulic Piston
  2. Dirt Collector
  3. Hydraulic Flushing Valve
  4. Flushing Chamber
  5. Outlet
  6. Fine Screen
  7. Inlet
  8. Suction Nozzle
  9. Solenoid Valve
  10. Electric Connection Box
  11. Differential Pressure Indicator
  12. Electric Motor

 

 

Installation possibilities 

Filter installation on a pipe

Installation of more filters on a parallel pipeline

 

af200e-industrial-filters-with-automatic-backwashing-img04.gif

  1. Filter
  2. Contaminated water inflow
  3. Filtered water outflow
  4. Shut-off flap valve for by-pass
  5. Shut-off flap valve on the inflow
  6. Shut-off flap valve on the outflow
  7. Space for disassembly

 

  1. Filter
  2. Contaminated water inflow
  3. Filtered water outflow
  4. Waste
  5. Shut-off flap valve on the inflow
  6. Shut-off flap valve on the outflow
  7. Space for disassembly

 

 

 

 

af900-automatic-electric-screen-filters-img01.jpgSERIES AF-900

 

 

Standard Features:

  • Minimum operating pressure: 1 bar
  • Maximum operating pressure: 10 bar
  • Clean filter pressure loss: 0.1 bar
  • Maximum water temperature: 65°C
  • Filtration range: 10 - 3000 micron
  • Electric motor: 400V/50Hz~60Hz, 0.4kW
  • Flush water consumption [at minimum working pressure]: 45 liter
  • Filter housing materials: carbon steel coated with baked on epoxy

 

 

af900-automatic-electric-screen-filters-img02.jpg

 

Model

Conn.Size

ØD

[inch]

Screen

Area

[cm²]

*Maximum

Flow Rate

 [m³/h]

**Flushing

Flow Rate

[m³/h]

ØD1

 

[inch]

ØD2

 

[inch]

L

 

[mm]

L1

 

[mm]

L2

 

[mm]

L3

 

[mm]

H

 

[mm]

Weight

 

[kg]

AF-903PR

3

3220

50

10

10

4

450

1110

1845

2315

630

187

AF-904PR

4

4500

80

10

10

4

600

1305

2040

2670

630

203

AF-906PR

6

6330

180

10

16

4

750

1410

2145

3100

761

330

AF-908PR

8

7030

350

10

18

4

750

1410

2145

3100

813

378

AF-910PR

10

8970

450

10

18

4

900

1934

2669

4245

813

435

AF-912PR

12

10920

600

10

18

4

1100

2182

2917

4750

813

530

AF-914PR

14

11760

850

10

24

4

900

1945

2680

4165

601

700

AF-916PR

16

14310

1100

10

24

4

1100

2170

2620

4680

960

820

 

 

 

 

 

 

 

 

 

 

 

 

 

PR

Parallel connection standard

*

Flow rate data is for high quality water at filtration grade of 120 micron

**

Flushing flow rate data is for minimum operational pressure [1 bar]

 

Pressure Loss at 120 Micron

af900-pressure-loss.jpg

 

Operation Information for AF-900 Series Electric Self-Cleaning Filter

 

Filtration

Water enters the filter through an “Inlet” [6] and passes through the coarse screen [7] that functions as a “first stop” for rough particles.  Water then reaches the fine screen [8], which further purifies the flow by separating smaller particles from the water. As more water flows through, impurities build up on the fine screen. As impurities on the screen accumulate, a pressure imbalance is built up between the internal section of the fine screen [8] and its external section.

 

Cleaning Process 

When the difference in pressure [DP] reaches the preset value on the differential pressure indicator, a series of events is triggered while water continues to flow to the system units. The flushing valve [3] opens, and water flows outside.  Pressure in the hydraulic flushing chamber and the dirt collector [5] is significantly lowered resulting in a suction process via the suction nozzles [4] to the dirt collector [5] and from there through the flushing valve [3] outside. The electric motor [1] simultaneously rotates the dirt collector [5] and moves it along its axis. The combination of the linear movement and rotation efficiently cleans the entire internal screen [8] surface.

 

The flushing cycle continues as long as the pressure difference between the inlet and outlet remains the same and according to signals from the controller. If the pressure difference remains unchanged for a fixed preset time, the emergency flushing valve [2] opens along with the normal flushing valve [3].

 

The flushing cycle continues for the time that was preset on the controller. The flushing valves [2] & (3) close when the pressure difference on the pressostat drops. The operation of the electric motor is stopped after the collector axis reaches the internal or external limit switches. The filter is now ready for the next cycle, with clean and filtered water flowing through the “Outlet” [9].

 

 

 

af900-automatic-electric-screen-filters-img03.jpg 

Legend:

  1. Electric Motor
  2. Emergency Flushing Valve
  3. Hydraulic Flushing Valve
  4. Suction Nozzle
  5. Dirt Collector
  6. Inlet
  7. Coarse Screen
  8. Fine Screen
  9. Outlet

 

 

Installation possibilities 

Filter installation on a pipe

Installation of more filters on a parallel pipeline

 

af900-industrial-filters-with-automatic-backwashing-img04.gif

  1. Filter
  2. Contaminated water inflow
  3. Filtered water outflow
  4. Shut-off flap valve for by-pass
  5. Shut-off flap valve on the inflow
  6. Shut-off flap valve on the outflow
  7. Space for disassembly

 

  1. Filter
  2. Contaminated water inflow
  3. Filtered water outflow
  4. Waste
  5. Shut-off flap valve on the inflow
  6. Shut-off flap valve on the outflow
  7. Space for disassembly

 

 

 

 

af9800-automatic-electric-screen-filters-img01.jpgSERIES AF-9800

 

 

Standard Features:

  • Minimum operating pressure: 1 bar
  • Maximum operating pressure: 10 bar
  • Clean filter pressure loss: 0.1 bar
  • Maximum water temperature: 65°C
  • Filtration range: 10 - 3000 micron
  • Electric motor: 400V/50Hz~60Hz, 0.2kW
  • Flush water consumption [at minimum working pressure]: 70 liter
  • Filter housing materials: carbon steel coated with baked on epoxy

 

 

af9800-automatic-electric-screen-filters-img02.jpg

 

Model

Conn.Size

ØD

[inch]

Screen

Area

[cm²]

*Maximum

Flow Rate

 [m³/h]

**Flushing

Flow Rate

[m³/h]

ØD1

 

[inch]

ØD1

 

[inch]

L

 

[mm]

L1

 

[mm]

L2

 

[mm]

L3

 

[mm]

H

 

[mm]

Weight

 

[kg]

AF-9803LOPR

3

3220

50

25

10

4

450

1215

1476

2015

544

160

AF-9804LOPR

4

5780

100

25

10

4

900

1610

1873

2800

544

190

AF-9806LOPR

6

5780

150

25

12

4

900

1680

1941

2900

580

210

AF-9806XLP

6

8410

160

25

10

4

900

2070

2339

3700

554

215

AF-9808PR

8

5780

160

25

12

4

900

1870

2132

3070

579

210

AF-9808LOPR

8

8410

300

25

12

4

900

2270

2528

3865

579

250

AF-9810LOPR

10

8100

400

25

14

4

900

2270

2462

3860

595

290

AF-9810XLP

10

11710

450

25

16

4

1100

2800

3300

5430

720

435

AF-9812PR

12

11710

600

25

16

4

1100

2800

3300

5430

720

440

AF-9814PR

14

12990

900

25

18

4

1270

2800

3300

5430

770

450

AF-9816PR

16

12990

1100

25

18

4

1270

2280

3300

5430

770

510

AF-9816XLP

16

17020

1500

25

24

4

1270

2280

3300

5430

920

700

AF-9810PR-C

10

5430

450

25

24

4

540

1430

1930

2420

920

270

AF-9812PR-C

12

5430

600

25

24

4

540

1430

1930

2420

920

410

AF-9814PR-C

14

7990

900

25

24

4

700

1640

2140

3110

920

420

AF-9816PR-C

16

11760

1100

25

24

4

700

1860

3540

3540

920

580

 

 

 

 

 

 

 

 

 

 

 

 

 

XLP

Extra long filter with extra large filtration area

LO

Long filter with large filtration area

PR

Parallel connection standard

C

Coarse filtration only

*

Flow rate data is for high quality water at filtration grade of 120 micron

**

Flushing flow rate data is for minimum operational pressure [1 bar]

 

Pressure Loss at 120 Micron

af9800-pressure-loss.jpg

 

Operation Information for AF-9800 Series Electric Self-Cleaning Filteraf9800-automatic-electric-screen-filters-movie.wmv[ wmv 2.2 MB ]

 

Filtration

Water enters the filter through the “Inlet” [10] and passes through the coarse screen [2] that functions as a “first stop” for rough particles.  Water then reaches the fine screen [9], which further purifies the flow by separating smaller particles from the water.  As more water flows through, impurities build up on the fine screen. As impurities on the screen accumulate, a pressure imbalance is built up between the internal section of the fine screen [9] and its external section.

 

Operation information for model AF-9800-C

The process is the same as the above however there is no pre-filtration with a coarse screen [2] as the filtration grade is 400 - 3000 micron.

 

Cleaning Process

When the difference in pressure [ΔP] reaches the preset value on the differential pressure indicator, Or when the preset time in the controller arrives, a series of events is triggered while water continues to flow to the system units.  The controller transmits a signal for a 15 second flushing cycle. The solenoid opens the flushing valve [5] and release the pressure from the hydraulic piston [7].  Water flows outside from the flushing valve [5].  Pressure in the hydraulic chamber [6] and the dirt collector [3] is significantly lowered resulting in a suction process via the suction nozzles [4] to the dirt collector [3] and from there to the hydraulic chamber [6] through the flushing valve [5] outside. The electric motor [1] simultaneously rotates the dirt collector [3] around its axis. The pressure is released from the piston [7] and the high pressure inside the filter causes linear movement of the dirt collector. The combination of the linear movement and rotation efficiently cleans the entire internal screen [9] surface.

 

At the end of the 15 second cycle the flushing valve [5] closes and the operation of the electric motor [1] is stopped. The increased water pressure returns the hydraulic piston [7] to its initial position. The filter is now ready for the next cycle, with clean and filtered water flowing through the “Outlet” [8].

 

The 15 second flushing cycle resumes operation whenever the difference in pressure reaches the preset pressure value set on the differential pressure indicator. If the pressure difference remains unchanged after one cycle, another cycle will start after a delay of 10 seconds.

 

 

 

af9800-automatic-electric-screen-filters-img03.jpg

Legend:

  1. Electric Motor
  2. Coarse Screen
  3. Dirt Collector
  4. Suction Nozzle
  5. Hydraulic Flushing Valve
  6. Flushing Chamber
  7. Hydraulic Piston
  8. Outlet
  9. Fine Screen
  10. Inlet

 

 

Installation possibilities 

Filter installation on a pipe

Installation of more filters on a parallel pipeline

 

af9800-industrial-filters-with-automatic-backwashing-img04.gif

  1. Filter
  2. Contaminated water inflow
  3. Filtered water outflow
  4. Shut-off flap valve for by-pass
  5. Shut-off flap valve on the inflow
  6. Shut-off flap valve on the outflow
  7. Space for disassembly

 

  1. Filter
  2. Contaminated water inflow
  3. Filtered water outflow
  4. Waste
  5. Shut-off flap valve on the inflow
  6. Shut-off flap valve on the outflow
  7. Space for disassembly

 

 

 

 

af7500-700-automatic-electric-screen-filters-img01.jpgSERIES AF-7500/700

 

 

Standard Features:

  • Minimum operating pressure: 1 bar
  • Maximum operating pressure: 10 bar
  • Clean filter pressure loss: 0.1 bar
  • Maximum water temperature: 65°C
  • Filtration range: 120 - 3000 micron
  • Electric motor: 400V/50Hz~60Hz, 0.4kW
  • Flush water consumption [at minimum working pressure]: 45 liter
  • Filter housing materials: carbon steel coated with baked on epoxy
  • Available connections: 90° or 180°

 

 

af7500-700-automatic-electric-screen-filters-img02.jpg

 

Model

Conn.Size

ØD

[inch]

Screen

Area

[cm²]

*Maximum

Flow Rate

 [m³/h]

**Flushing

Flow Rate

[m³/h]

ØD

 

[inch]

X

 

[mm]

Y

 

[mm]

H

 

[mm]

H1

 

[mm]

L

 

[mm]

L1

 

[mm]

Weight

 

[kg]

AF-7504BL

4

2910

80

25

10

350

240

400

-

800

1100

72

AF-7506BL

6

4190

160

25

10

450

240

400

-

1000

1500

88

AF-7508BL

8

5470

300

25

10

550

240

400

-

1200

1900

106

AF-7504BIL

4

2910

80

25

10

550

-

900

870

740

850

72

AF-7506BIL

6

4190

160

25

10

650

-

1100

1220

930

1200

88

AF-7508BIL

8

5470

300

25

10

750

-

1280

1550

1130

1500

106

AF-708BL

8

4170

350

25

16

325

350

910

1200

530

-

180

AF-710BL

10

5880

450

25

16

325

450

1120

1650

530

-

196

AF-712BL

12

7630

650

25

16

325

550

1340

2100

530

-

212

AF-714BL

14

7630

900

25

16

325

550

1340

2100

530

-

240

AF-716BL

16

11145

1100

25

24

425

600

1340

2100

730

-

410

 

 

 

 

 

 

 

 

 

 

 

 

 

BL

  90°

BIL

180°

*

Flow rate data is for high quality water at filtration grade of 120 micron

**

Flushing flow rate data is for minimum operational pressure [1 bar]

 

Pressure Loss at 120 Micron

af7500-700-pressure-loss.jpg

 

Operation Information for AF-7500/700 Series Electric Self-Cleaning Filter

 

af7500-700-automatic-electric-screen-filters-img03.jpgFiltration

Water enters the filter through the “Inlet” [4] and passes through the fine screen [3], which purifies the flow by separating smaller particles from the water.  As more water flows through, impurities build up on the fine screen. As impurities on the screen accumulate, a pressure imbalance is built up between the internal section of the fine screen [3] and its external section.

 

Cleaning Process

When the difference in pressure [ΔP] reaches the preset value on the differential pressure indicator, or the duel time between flushing passed, series of events is triggered while water continues to flow to the system units.  The controller transmits a signal for a 10 second flushing cycle. The flushing valve [5] opens, pressure is released from the inner side of the fine screen [3] the electric motor [1] simultaneously rotates the brushes [2] around its axis. The brushes wipe all the dirt and efficiently clean the entire internal screen [3] surface.

 

At the end of the 10 second cycle the flushing valve [5] closes and the operation of the electric motor [1] is stopped. The filter is now ready for the next cycle, with clean and filtered water flowing through the “Outlet” [6].

 

The 10 second flushing cycle resumes operation whenever the difference in pressure reaches the preset pressure value set on the differential pressure indicator. If the pressure difference remains unchanged after one cycle, another cycle will start after a delay of 10 seconds.

 

 

af7500-700-automatic-electric-screen-filters-img04.jpg

Legend:

  1. Electric Motor
  2. Brush
  3. Fine Screen
  4. Inlet
  5. Flushing Valve
  6. Outlet

 

 

Installation possibilities

Filter installation on a pipe

[7500BL]

Filter installation on a pipe

[7500BIL]

Filter installation on a pipe

[700BL]

 

af7500-700-industrial-filters-with-automatic-backwashing-img04.gif

1. Filter

2. Contaminated water inflow

3. Filtered water outflow

4. Shut-off flap valve for by-pass

5. Shut-off flap valve on the inflow

6. Shut-off flap valve on the outflow

7. Space for disassembly

1. Filter

2. Contaminated water inflow

3. Filtered water outflow

4. Shut-off flap valve on the inflow

5. Shut-off flap valve on the outflow

6. Space for disassembly

 

1. Filter

2. Contaminated water inflow

3. Filtered water outflow

4. Shut-off flap valve for by-pass

5. Shut-off flap valve on the inflow

6. Shut-off flap valve on the outflow

7. Space for disassembly

 

 

 

Special Options and Features:

  • High pressure range: 16, 25, 40[bar]
  • High temperature range: withstands temperature up to 95°C
  • Anti frost: special control system for cold climate conditions
  • Electric current: 110V AC, 230V AC, single phase, 24V DC and solar energy
  • Construction materials: stainless steel 304L or 316L, and titanium
  • Available controllers: electronic, timer, air-actuated, computerized and custom designed

 

 

Although the filters are manufactured in a top technical and technological quality, their installation, operation and maintenance are very easy. They are intended for a continuous operation and are non-demanding in terms of both rinsing water consumption and consumption of energy.

 

 

If you require removal of any mechanical impurities from water, please contact us and we will draw up, free of charge, a proposal for the most suitable solution for you, on the basis of a raw water analysis, required filtration capacity [m³/hr] and required quality of output water.

 

 

High Quality Water No Matter Where It Comes From

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