Drain Valve (1 no.) : 1½" Female x Female threaded
End Plugs (1 no.) : ¾" Male Threaded
Cleaning Instructions :
Cleaning of the filter must be done when pressure differential across the disc reaches 0.6 kg/cm2 (8.5psi) or when the clogging indicator red button pops up.
Cleaning the semi-automatic filter must be done while the filter is under pressure
Gradually open the flushing valve below the filter
To start cleaning mode of filter, turn the handle (top of the filter) 900 degree in clockwise direction.
Cleaning operation starts, system pressure might increase during cleaning operation.
When cleaning operation done, first filter handle direction should be at filtration mode. And then flushing valve gradually close.
In case the the filter is still clogged (pressure indicator button is up). Repeat the above steps for effective disc cleaning.
Warning : In order to prevent water hammer (surge) always open or close filter handle valves in a gradual motion.