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Instrument
Automatic Filters > VDF Model

VDF Model

Automatic Self Cleaning Filter - VDF Model

General Characteristics
The Body Material St-37 – AISI 316L
The Screen Material AISI 304L – PRGF
The Maximum Working Pressure 10 bar
The Minimum Output Pressure 2 bar
The Maximum Working Temperature 60o
The Back Washing Time Timing and Pressure Setup
Control System The Electronic and Hydraulic Control
Filtration Sensitivity 20 – 400 micron
The Paint Material Epoxi poliester
The filter body is St-37 or stainless-steel optionality
The filtering in pressured lines
High performance during the back washing
Extensive Filtering Surface
Easy-to assembly and fitler components, not required to change
100% back washing performance
The back washing time for 50-30 sec.
Working opportunity, not required additional energy
The minimum head and water loss
Technical Specifications
Code
Input/Output
A
B
L1
L
D
Flow Rate
Filt. Surface
Weight (kg)
 
inch
dn
(mm)
(mm)
(mm)
(mm)
(inch)
(m3/h)
(cm2)
Dolu
Boş
VDF 102
2”
50
375
267
440
875
10”
40
1317
52
27
VDF1025
2 ½”
65
375
267
440
875
10”
50
1317
52
28
VDF103
3”
80
375
267
440
875
10”
55
1317
55
30
VDF103S
3”
80
425
267
540
975
10”
70
1975
58
33
VDF 104
4”
100
425
267
540
975
10”
100
1975
62
35
Working Principle
Water, entered from input collector, passes top art where the multistorey screen fitler in, inside the water (3). It is protected with a rough material with sieve over of multiplex Screen. The thin filter goes to output collector side (2). Particies collected on multiplex screen, constitute a pollution layer over of the fitler and open a back fushing unit washing decharge valve in the output colllector (8) and a powerful back flushing flow consists from decharge pipet o atmosphere (10). This flow cleans the particle layyer, collected on fitler by creating a vacuum from holes over of nozzle (5).
 
The dirty water, absorbed on multiplex filter, creates a volution by passing from water cleaning nozzle pipe (6) and hydraulic turbine (7). The pressure loss, consisted of turbine container (4) and plunger dreinage (9) constitutes an axial movement. The spiral headway, constituted by this axial and volution together, obtains the absorbing whole filter surface by vacuum nozzles.
 
When this process is done, the cleaning collector makes a second back flushing and turns its first position. Transaction is completed.
 
During the back washing, the filtration process contiunes and after the back washing process, the filter stands by until next pressure difference signal. 
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