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GRAVEL FILTERS G
It is a graded grain size filtering media (sand or others) filter.
Designed specially to remove organic or colloidal particles of the water. Its use is mainly recommended when mud, mold or other, naturally created, substances exist, as in most surface or standing water (lakes, pools, rivers etc.).

OPERATION: Water is spread uniformly on top over the filtering media and flows to the bottom where, through specially designed water collectors, goes to the outlet.
At the end of the filtering cycle the head loss is between 0.4 to 1.2 bars.
Flow regulation is achieved by means of valves on inlet and outlet of the filter system.

BACKWASH: Backwash is achieved by reversing water flow (from bottom to the top), washing away collected water particles, which are drained away.
Pressure gauges at the inlet and outlet of system assist to regulate flow rate and head loss. (Gauges are optional).
Backwash, as standard, is manual. The system may be supplied with full automatic backwash operation upon request.

CONSTRUCTION: Body of the filters, as standard, are made of, epoxy coated, high quality, carbon steel sheet.

It can be supplied in stainless steel or galvanized steel, upon request.
The upper cover is equipped with a manhole for filter media filtering and a similar manhole exists on bottom lateral side for discharging filtering media (sand, etc).
On top of the filter there is an automatic air exhaust valve.

 SANDFILTER G-GRAVEL

Model

Flow Rate
m3/h

SIZE
Inch

WEIGHT
Kg

PRESSURE
bar

 

DIMENSIONS

CAPACITY
m3

Series Code
No

t=50 m/h

t=100 m/h

d
mm

h
mm

s
m2

a

G1-48

9

18

2 ½˝

80

8

480

1300

0.180

0.2

480/480

b

G2-64

16

32

110

8

640

1300

0.321

0.4

640/640

c

G3-80

25

50

170

8

800

1500

0.500

0.75

800/800

d

G4-95

35

70

190

 

950

1500

0.700

1.05

950/950



The weight is without the filling material and the hydraulic system for Back Wash.V
   
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01.11.2018

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HYDROELECTRONIKA
Hellas, Sofades Karditsa
CAP. 43300
P. +30 24430 22997
    +30 24430 23230
    +30 24430 22689
F. +30 24430 22466
info@hydroelectrica.com
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