It gives a Polished Stone Value for aggregates to be used in road surfaces and provides a measure of the resistance to skidding.

Features:

• Machine polishes samples of aggregates, simulating actual road conditions

• Meet the specifications of British standards & ASTM

• Predetermined revolution counter

• Specimens manufactured and easily removed from accurately machined moulds

• Specimens located on ‘Road Wheel’ by rubber rings and held by simple side fixing

• Tyred wheel easily removed for replacing tyres

• Used abrasive and water collected in removable tray

• Loaded tyre raised and lowered to the running surface by mechanical lifting device

Specifications:

• Width 73 81 cms x Depth 63 79 cms x Height (Frame) 79 123 cms

• Height (Water Tank) 155 cms

• Fourteen specimens are clamped around the ‘road wheel’ of the PSV machine

• Subjected to two stages of polishing by a loaded rubber tyre

Use of machine in road construction has a major influence in reduction of accidents.