SS-21 Silent Rotary Sifter, Mary Ann Shaker


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The progressive design carries forward the best features of traditional rotary sifters and add upgrades drawn from our expertise in particle separation technology. Faster conversion from 8—12in or 200—300mm diameter sieves, easier set up, and quieter operation all reflect the time devoted to improved design and materials. Sieve stack capacity ranges from six 12in diameter full height sieves with pan, or up to twenty 8in diameter half-height sieves with pan. The totally enclosed cabinet allows safe, dust-free operation. Assembled sieve stacks are simply placed inside and the cabinet is rotated back against the stops, no clamping is required. An ergonomic knob allows easy rotation of the cabinet between the loading and testing positions. A drive roller system continuously rotates the sieve stack with particle separation assisted by tapping against the stack. The digital countdown timer with large LED display precisely times operation up to 99 minutes at ±1 second. A pause function and user-selectable modes offer greater versatility. Settings are saved between cycles for precise repeatability and easy, one-button operation. The SS-21 Silent Sifter is engineered to match all the performance levels of the SS-20 Rotary Sifter while significantly reducing operational noise levels. Design modifications made using proprietary silencing technology have resulted in a unit exhibiting 7—10dB lower noise levels than any other rotary sifter. The Silent Sifter is the right choice for enhanced worker protection and reduction of nuisance noise levels. Users of traditional Rotary Sifters can still take advantage of these advances in design, along with better pricing and availability, by upgrading commonly replaced parts with newer components. Hammer Assemblies, Hammer Heads, and Timers fit all current rotary sifter brands and are designed for efficient operation and long service life. Inquire for other quality replacement components.

Hammer assemblies are 6061 aluminum alloy with Ultra High Molecular Weight (UHMW) Polyethylene heads. Rugged painted case is dense, impact-resistant MDF board and is mounted on a sturdy, powder-coated ASTM A 513 heavy steel tubing stand. The system is driven by a dependable 1/3hp continuous-duty motor.

Dimensions (WxDxH): 19x24x58in (483x610x1,473mm)

Estimated Ship Weight: 215lb (98kg)

People who purchased this also purchased 12″ Brass Sieve Cover


Weight 230 lbs
Dimensions 19 × 24 × 60 in

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