BAG, POCKET AND CANDLE FILTERS

In the dry filtration processes that use pads or panels to capture dust, the filter surface is basically flat – one side of the filter sheet in a pad filter, or the upstream surface of a pleated medium panel. The group of filter types to be described next capture the dust inside or on the outer surface of a generally bag-shaped element, of circular or elongated oval cross-section. These three types – the filter bag, the filter pocket and the filter candle – are very important components of the dust collection
equipment spectrum, but bags are also used in liquid clarification.

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