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Reject gates

Techniplan supplied a reject gates to Warkworth, Mt. Thorley and Bengalla coal mines. The gates included their own dedicated hydraulic power pack to control the opening and closing of the gate cylinders.

Gate Size: 1200x1200mm
Max open/close time: 5 seconds


Reject gates have been supplied to Saraji and Dawson coal mines. they feature a single leaf, rather than the traditional dual leaf, with a fluid retention bund which direct the overflow to a launder and drain. This design significantly improves the safety of the operation, preventing spillage onto the truck and also local flooding and erosion around the footings of the reject bin. This rejects gate included it's own hydraulic power pack to control the opening and closing of the gate.

Gate Size: 1500x1500mm
Max open/close time: 5 seconds


This reject gate was supplied to the New Acland coal mine. it incorporates all the features of previous single leaf fluid retaining gates, however in this case the gate is actuated with two pneumatic cylinders.

Gate Size: 1500x1500mm
Max open/close time: 5 seconds


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Halley and Mellowes Material HandlingHalley and Mellowes PowerGreenbank TerotechCeramatechPOGC Sensor TechnologyDiamond Power AustraliaValveco IndustriesTechniplanMeasurement ResourcesGeotechnical Systems Australia