After performing the relevant plumbing, it is time to pour silica inside the machine. For this purpose, three types of silica are existed (small, medium, large). Pouring large, medium and small silica respectively from upper manhole (No.6) then flatten with a wooden piece. At the end close the top manhole door.
Reverse washing:
Valve Nos. 1 and 4 are open and Nos. 2 and 3 are closed.
In this case system purify inlet water and limpid water getting out from valve No.4
It is important to keep the filters discharged during holidays more than 3 weeks but less than 3 weeks there is no need to be vacated because require accuracy for re-installing . So keep the waters inside the filter by closing output valve.
Technical Specifications:
1. Designed according to standard ASMA-Section=VII
2. Capacity: 5000-121000 Litr
3. Approval drawing certificate and quality control inspection plates
4. Using alloy RST37.2 steel sheets
5. Two layer of epoxy-coated inside the tank