Sieve Specifications

Frame Diameter

The sieve diameter is the length of the straight line from inside edge to inside edge of the frame, passing through the centre of the sieve. The sieve diameter should be measured at the top of the sieve.

Frame Depth

The depth of the sieve is measured from the top of the frame to the surface of the woven wire mesh or perforated plate.

Woven Wire

All woven wire mesh used in Impact Test Sieves is manufactured from stainless steel.
Impact woven wire sieves are shown below.

Perforated Plate

The perforated plates used in Impact Test Sieves are manufactured from a punched plate of coated mild steel. A square hole perforated plate sieve manufactured by Impact is shown below.

Impact also manufactures round hole perforated plate sieves.

Grain & Coffee Sieves

Our range of Grain Sieves are manufactured from a slotted punched plate of stainless steel.
The image below shows one of Impact's Grain Sieves.

Impact Coffee Sieves are manufactured from round hole & slotted punched plate of stainless steel. Coffee sieves are available in 300mm diameter x 75mm or 45mm deep frames & 200mm x 50mm deep frames.

Please refer to the sieve specification table for frame sizes & materials of both woven wire & perforated plate sieves.

Impact Test Sieve Specifications