タイトルまたは説明
Providing Solutions in Filtration & Screening since
**7
Automatic Backflush filter
Champion Automatic Backflush Filters are designed for continuous
removal of suspended particles from all types of liquids.
Major Applications are in industrial plants using river, lake, well
or sea water for cooling, descaling, bearing lubrication, spraying,
quenching, and similar purposes.
Pipeline sizes:from 2”NB to *8” NB.
· No Limitations on Flow rates.
· No Limitations on Dirt
Load.
· No Supervision required.
Installation
Installation is made on the discharge side of a pump or in any
piping system operating under a positive pressure. The minimum
working pressure required to effectively clean the straining media
is *0 psi. The strainer is compact with small face-to-face, width,
and height dimensions. Installation can be made in a horizontal or
vertical pipeline.
Design
The strainer consists of a one-piece stainless steel cylindrical
well screen drum with slotted openings ranging from .**5" thru
.**5". Within the drum is contained a rotor, which is essentially a
hollow rotating shaft- supporting two pads extended on each side.
These pads are flush with the inside of the drum surface.
Operation
The liquid to be strained enters the inlet connection located in
the lower portion of the body and flows upward into the inner
surface of the drum. The suspended particles are retained in the
media and the clean liquid passes through the media- leaving the
body at the outlet connection located diametrically opposite the
inlet.
Backwash
As the rotor sweeps past the straining media, a reversal of flow
occurs, flushing the suspended particles from the media into the
rotor and out through the backwash opening. This reversal of flow
is caused by a pressure differential between the interior of the
strainer and atmosphere. The backwash flow rate is exceptionally
low and will vary, depending on the amount of suspended particles
in the liquid. The backwash piping should discharge downward into
an open funnel immediately after the backwash valve.
Automatic Backwash Control
In lieu of a manually operated valve on the backwash outlet line,
an automatic control can be furnished to permit intermittent back
flushing. This control consists of a motor or pneumatic cylinder
operated ball valve actuated by a timer or a pressure differential
switch (or both)
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