Controlled coal reclaim from an above-ground storage hopper
	Large-capacity Jeffrey feeders blending stone

Applications
Jeffrey feeders are in operation worldwide and can be found in mining and quarry operations, as well as aggregate, chemical, and industrial processes. Some of the more common feeder applications are:

Model HP300 Feeder Continuously feeding to belt conveyor.			Feeder with power unit overhead for tight quarters.
Model HP400 feeds 700 TPH of stone.			Groups of feeders blending stone to meet highway specifications and fitted with dust seals.