
Screen
Filter - Self Cleaning Model SE
-
Minimum
operating pressure: 14.5 psi
-
Maximum
operating pressure: 145 psi
-
Clean filter
pressure loss: 1.45 psi
-
Maximum
water temperature: 149ºF
-
Filtration
range:
50 - 3000 micron
- Electric Motor:
3-phase 0.5 Hp
-
Control
system:
PLC electric control board
-
Flush water
consumption (at minimum working pressure): 12 gallons
-
Filter housing
materials: carbon steel coated with baked on epoxy
Screen
Filter Filtration
Water enters the filter through
the "Inlet" (1) and passes through the coarse
screen (2) that functions as a "first stop"
for rough particles. Water then reaches the fine screen (3),
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 (3) and its external section.
Screen
Filter Cleaning Process
When the difference in pressure
reaches the preset value on the differential pressure indicator,
a series of events is triggered while the water continues
to flow to the system units. The flushing valve (4)
opens, and water flows outside. Pressure in the hydraulic
flushing chamber (5) and the dirt collector (6) is
signifigantly lowered resulting in a suction process via the
suction nozzles (7) to the dirt collector (6)
and from there through the flushing valve (4) outside.
The electric motor (8) simultaneously rotates teh dirt
collector (6) and moves it along its axis. The combination
of the linear movement and rotation effciently cleans the
entir internal screen.

The flushing cycle
continues as long as the pressure differnce 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 (9)
opens along with the norma flushing valve (4). The
flushing cycle continues for the time that was preset on the
controller. The flushing valves (9) & (4)
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 throught the "Outlet" (10).
Screen
Filter Special Options and Features
- Electric Current: 110V,
220V, 3-phase, single phase, 24V and solar energy
- High Pressure Rating psi:
230, 350, 550
- High Temperature Range:
Withstands temperatures up to 203ºF
- Anti Frost - special control
system for cold climate
- Stainless Steel Grades:
304 or 316
- Available controls - Electronic,
timer, air-actuated, computerized and custom designed
- Special Coating - Prevents
deterioration from exposure to sale/sea water
Screen
Filter Sectors Served
Screen Filter is used in a wide
range of applications in the Agricultural, Industrial, Municipal
and Commercial sectors. The main industries include: steel
mills, petroleum, plastics, chemicals, electronics, textile,
paper mills, food, beverage and power stations.
Screen Filter typical applications include: cooling towers,
heat exchanger protection, ion exchange protection, industrial
wastewater recycling, effluent polishing water supply and
filtration for micro irrigation.
Products
| B
Series | E Series |
H Series | SE
Series | MiniTwist

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