Installation and Operation Hints
For the 1" and 2" Semi-Automatic SDF Rotary Filters DF-1 and DF-2
For better Back-flush performance it is recommended to install a regulating valve at the filter downstream (see illustration below).
· The center tube of both types is made of plastic material. Only Teflon band should be wrapped over the threads for sealing.
Do not use pipe wrench for tightening – its sharp teeth might damage the plastic center tube.
The cleaning procedure
- Close the regulating valve.
- Open the drain Valve.
- Rotate the filter few times until no more dirt drains out.
- Close the drain and open the regulating valve.