Constructed with FDA & USDA Compliant Food Safe Plastic and contain no wood. All sieves without backwire are designed and built with limited fasteners. All sieves are fabricated on CNC machinery for a precision fit and finish.

The Norvell Plastic Wildcat Sieve features a solid aluminum drop-in tray. Our unique design mechanically seals on the sieve. All aluminum trays are available with or without backwire. Beneath the tray will be a formed stainless steel pan.


  • Plastic Wildcat Sieves are also available with backwire.
  • Aluminum Corners add strength and durability to the structural integrity of the sieve.
  • Custom designed to meet the customer’s required flow.
  • Norvell’s Plastic Sieves without backwire have limited fastners.
  • Glue-On screens for optimal screen tension.
  • Computer Numerically Controlled fabrication continually ensures quality fit and finish.
  • Norvell’s Plastic Wildcat sieves offer a unique versatility – unmatched by any other sieve manufacture.
  • Our manufacturing process allows us to adapt sieve sizes and styles to meet other OEM sifter needs – Including older sifter models and sizes no longer supported by the original manufacture.
  • Norvell’s Plastic Wildcat sieves, with or without backwire, can be configured in any sieve section.
  • The wide gluing surface enables the use of heavy mesh screens.
  • The unique tray design allows for greater clothing area than other sieve manufacturers.