Mary Ann® Sifter

The original "Mary Ann®" Sifter is a widely recognized tool for efficient separations of particle sizes ranging from No.4–No.635 (4.75mm–20µm). Sieve stacks up to 26in (660mm) in height are quickly set into place, with no clamping necessary. The sifter accommodates either 8in (203mm) or 12in (305mm) diameter testing sieves.

The sieve stack is angled at 45 degrees during testing while the sieves are rotating. The combination of rotation and tapping from hardwood-faced cast aluminum hammers promotes the passage of material through the sieves. The enclosed cabinet helps control and confine airborne respirable particles, and the door can be mounted to open from the right or left.

Recent improvements to the “Mary Ann®” Sifter include a modified cam and rubberized hammer covers placed over the original hardwood tappers to help reduce operational noise. Testing cycles are controlled to ±1 second with a 99-minute digital timer. The support stand also doubles as a sieve storage rack.

For more options, check out Gilson rotary lab sifters.

Features:

• Accommodation of a variety of sieve stack sizes up to 26in (660mm)
• No clamping is required for the operation
• Enclosed cabinets can be mounted to open from the left or the right
• A 99-minute digital timer controls testing cycles to a ±1 second

Included Items:

• Mary Ann® Sifter (115V, 60Hz or 220V, 50Hz)
• Support stand/storage rack

Accessories:

• ASTM or ISO Test Sieves are available in a wide selection of frame diameters and heights, materials, and opening sizes

Related blogs:

• Sieve Analysis of Coarse Aggregate: From the Field to the Lab
• Characteristics of Aggregates: Shape, Size & Specific Gravity
• Simple Steps to Preserve & Extend Service Life of Costly Equipment
• Coarse Aggregate Gradation: Test Sieves or Screen Trays?