Track Hopper and ReclaimValves

Stock Track Hopper and Reclaim Valves (TH) are primarily used for hopper shut-off in coal yards below a track hopper or reclaim hopper. These self-cleaning, double rack and pinion style valves receive material from railroad cars or material reclaimed from outdoor storage piles by bulldozers. Their purpose is to shut off the material flow from the hoppers to material handling conveyors below.

Heavy duty construction allows Stock TH Valves to handle larger size materials and extreme environmental conditions associated with the coal yard. Because of the exposed location of the hoppers, Stock TH Valves with the water collecting option have an inclined gate and water collection trough with a connection for a drain line. This allows water from the hoppers to drain-off when the valve is closed, promoting cleanliness of the equipment below the valve and reducing maintenance.

The Stock TH Valve features a basic valve design with a winged U-shaped gate. The double rack and pinion design enables positive shut-off through a standing column of material. Generally, the valve is in an open position and only closed for routine maintenance of downstream equipment or in emergency situations. The rack and pinion design is very suitable for this type of application because it will not bind when left idle for long periods of time. The pinions drive through the gate ladder rack, crushing any material accumulation on the top of the rack so that it may fall through. This self-cleaning operation eliminates the possibility of gate binding.

Choosing the appropriate Track Hopper and Reclaim Valve for superior system performance will depend upon the specific use of the valve and corresponding equipment. Valves are designed to meet exact sizing requirements. Where tight clearances are a factor, the Stock TH Valve allows accessibility and ease of maintenance. These valves can handle a variety of bulk materials including coal, grain, limestone, taconite and wood chips.