Contra Rotary Mixer is an ideal mixer for the products of high viscosity and density. It is suitable for thorough mixing/blending of toothpaste, grease and other viscous compounds. The mixer consists of two different blades rotating clockwise as well as anticlockwise at the same time. It consists of solid shaft with multiple paddle blades, which rotates in clockwise direction while the hollow shaft with anchor scrapper blades assembly rotates in anti clockwise direction.
Contra Rotating Axial Fans is a modification of the axial-flow fan. It consists of two or more impellers fitted within one casing, which rotate in opposite directions. The arrangement permits the development of high fan pressures of up to 50 mb. These fans are available for auxiliary ventilation in mines.