![](IMAGES/productDetail/131227/01.jpg) This is a type of filter with two sets of automatic self-cleaning control systems, not only self-clean Fine screen, but also self-clean coarse screen.
There are two different automatic self-cleaning cycles in this type of filter, the coarse screen self-cleaning cycle and fine screen self-clean cycle. when the pressure reaches a preset level inside coarse screen, the coarse screen cleaning cycle is initiated, coarse screen drain valve is opened, the dirt on inside screen are rinsed off by water outside the screen and will be flushed out from the drain; the fine screen cleaning cycle is initiated, fine screen drain valve is opened when the pressure reaches a preset level inside fine screen, the dirt from the inside of the screen will be sucked in the dirt collector and flushed out from the drain;
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