Specifications:

It is of weided steel construction, having an in internal diameter of 12 inch x 13.5 inch long (volume 1 cu.ft.) and is made of 5/16 inch thick steel plate. The drum is supported on heavy duty ball bearings on the two ends. It has an opening of 4 inch width along the full length of drum. An air and water tight cover is provided to close the opening after the specimen has been put inside the drum.

The speed of rotation is 28- 30rpm. The pug mill has an arrangement for being held in any position. A revolution counter for recording the revolutions of the mill is fixed on the machine. Twelve ¾ inch dia. steel balls are also supplied with the unit. It is fitted with a ½ H.P. electric motor to operate on single phase, 220/230 volts A.C. supply.