Standard: BS 812:114, EN 1097-8, NF D18-575T

Determination of the Polished Stone Value
The apparatus is used for determining resistance of aggregates used for road wear caused by polishing action of vehicle tyres on a real surface. It used to prepare aggregate samples for testing resistance by using Skid Resistance Apparatus. Maximum of 14 special fabricate specimen moulds and then mounted on a metal wheel and specimens are brought into contact with a rubber tyred wheel and by increasing loads during operation.

 
Technical Specifications
 

Model Number	NL 2024 X / 002
Dimension (mm)	540 (L) x 630 (W) x 1600 (H)
Road Wheel Rotation Speed	320 r / min
Rubber Wheel Outer Diameter	203 mm
Air Pressure	0.3 Mpa
Rubber Wheel Hardness	55 ± 5IRHD
Road Wheel Outer Diameter	406 mm
Measuring Speed	1 m / s
Approx. Weight	165 kg
Power	415 V, 1 ph, 50 / 60 Hz