Deval Test Machine

NF P18-577, ASTM D2-33

Used to determine aggregate abrasion resistance.

It consists of two hollow cylinders, closed at one end and provided with tight-fitting caps at both ends.

These cylinders are mounted on a shaft at a 30-degree angle to the axis of rotation.

The shaft is driven by a motor through a reduction gear set at 30-33 rpm and is equipped with a revolution counter.

Complete with 12 abrasion balls of 48mm diameter.

220 volt, 1 phase.