6- EMPTYING OF FILTERS SAND
To change sand or filtration media, proceed as follows:
1-Remove top lid.
2-
Drain filter’s water through the lower drainage hole.
3-
Always Start Emptying yje filter from the TOP
filters for Dual Stack Filters
4-If there is enough clear space, sand can be removed
though the man hole. It can also be removed unscrewing
the lower drainage hole.
4-To refill the filter with sand, follow the instructions
given in starting, checking first of all that the drainage
hole has been perfectly fitted and that it does not leak
water.
7- OTHER RECOMMENDATIONS
-If the equipment has been stopped during a long period
of time, it is recommended to empty the water filter.
-If the filter is situated outside, it is recommended to
paint it with a suitable product every two years.
-In standard filters, ozone water treatments must not be
used and pressure and temperature specifications not be
exceeded. Contact our technical department if you have
any doubt about the use of our filters.
-During the washing process, pressure must never
exceed 1 Kg/cm2 for filters with plate with nozzles.
-Optionally, high performance filters can also be
delivered with lateral man hole and sight glass, as well as
special inner finishes of high maintenance quality and
chemical resistance.
8- GUARANTEE
This filter has been manufactured using the best high
technology materials and manufacturing process, going
through strict quality test on materials, finishes and
performance. All those bumps, rips and breakages
caused by an inadequate use of the product or by
ignoring our recommendations are not included in this
guarantee.
The correct performance of the filter is guaranteed for 2
years.
This guarantee only covers the replacement or repair of
defective spare parts in our factory. Extra charges like
works made by third parties, compensations, etc… will
not be accepted by the manufacturer.
BOBIN WOUND SAND FILTERS NOTES