New Spiral cover system which aids the operations of opening and closing.The air
purge is built inot the cover which can be feeicient to release the air from the
filter.The distance between the upper part of the sand layber and the diffuse head("Free
board") has been increased to ensure greater distribution of water in
the filtration phase and avoid sand feing spilt into he drain during backwash.The
speciallydesigned hole in the sand filter which is one of the essential pool filter, can make the sand exchanging prociess
more convenient and efficient.in the filtering process ,the filtering effect of
water can be observed through the perspective hole which is designed in the sand
filter.
Performance Data

Model No.  Height Valve Heigh Valve Distance Flange Size Filter Area SilicaSand Design Flows
                  B(mm)     C(mm)         D(mm)          (inch)           (m2)       (kg)               (lpm)

Sg-C48        1420           900           360                3                1.13      1560               860

Sg-C56        1620          1000          450                4                1.54      1900              1150

Sg-C64        1870          1100          450                4                  2         2600              1500

Sg-C72        1950         1300          600                 6                 2.7       3240              2000

Sg-C80        2420         1350          600                 6                 3.14     4000              2350

Sg-C94        2520         1500         700                  8                 4.3       8200              3440

Sg-C100      2680         1600         700                  8                 4.9      11500             3920