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Trench and mechanical intake pits By David Perry, Managing Director, Perry of Oakley Ltd hen considering which type of mechanical intake system to use the first thing to consider is the type of products to be handled. If the products are all free flowing such as cereals then a chain and flight conveyor
90 | February 2018 - Milling and Grain
system will be suitable. If the products also include meals and very light products these might not be suitable for a chain and flight conveyor and then a more universal screw conveyor system may be the answer. This is because chain and flight conveyor systems generally use a side inlet configuration to enable control of the depth of the product in the conveyor casing. This can lead to a narrow aperture for the product to pass through and this does not suit products that are likely to bridge.