The installed filter is intended for disposal of water of suspensions like scale, rust or sand. Similar devices are capable to prevent premature wear and also pollution of plumbing. The filtering elements of preliminary filters represent several roundish porous sponges which are made of polymeric material.
It is required to you
- Extension wrench, preliminary filter.
Instruction
1. The main advantage of preliminary filters is the high level of their contaminant capacity. When passing through number of skintight disks water is effectively purified.
2. Establish perpendicular or slanting preliminary filter, using extension wrench. It is the best of all to install the perpendicular filter by cover settler down — in that case large dirt will accumulate in networks. If the alternative does not exist, then such filters can be installed also in vertical position, but vertical installation will be suitable for slanting filters better.
3. Wash out the installed filter. To begin washing, it is necessary by means of automatic devices or to manually open drainage valves on bottom side of the filter. At the same time the springs which are propping up glass with networks under the influence of downstream pressure contract, and glasses fall to the greatest possible lower situation.
4. The arriving water currents pass through the top sites of network. At the same time the vast majority of currents of water which has undergone cleaning continues to go out of filters, and their small part comes to upper part, to the capacity of plastic glasses. In them there are special rotors which begin rotation under the influence of water currents. Thanks to it the speed of the current given on network from within stream sharply increases, and washes away from it the collected pollution which together with water goes to drainage.
5. Return filters to operating normal position after overlapping of drainage valves. Ordinary for cleaning of network the thirty-second washing will be sufficient. However time can change in the lower or greater side, it depends on operating conditions.