Ro-Tap Sieves Shakes

Our Ro-Tap Sieve Shakers are widely accepted in standardized particle sizing test methods.  These shakers have a horizontal, circular motion with a vertical tapping action to assure accurate, dependable and precisely repeatable particle analysis testing results. 

The Ro-Tap generates 278 oscillations and 150 taps per minute as specified in some ASTM and other sieving applications. These rugged test sieve shakers are built for heavy-duty use and can be bolted to a solid table or sturdy benchtops for stable operation. 

SPECIFICATIONS:

• 114 H.P. Flange Mounting Motor, 220V, 50 Hz. Single phase Main AC
• Timer 0-60minutes is provided in the circuit.
• Rotation of sieve stage 280 - 290 per minute.
• Simultaneous tapping 150 - 160 per minute.
• Single phase AC