DEVAL ATTRITION TESTER:
AS PER IS: 2386 (Part - IV) ASTM D 2, D 289.
For the determination of resistance of aggregates to wear by abrasion.
General Description and Specification:
It consists of two hollow cylinders closed at one end and provided with tight fitting covers at the either end. These cylinders are mounted on a shaft at an angle of 30 degree with the axis of rotation of the shaft.
The shaft rotates at 30-33 RPM through a reduction gear operated by a motor and is provided with a revolution counter.
Complete with abrasive charges consisting of 12 Nos. Hardened steel balls of 48 mm dia.
Suitable for operation on 440 volts, 3-phase, 50 cycles. A.C. supply.