Not all Synthetic Belts are manufactured equally!
Simple Test to Determine the Quality
of a Linear Screen

Hold a small sample of a Linear screen in both hands (one on either side). Move one hand up and the other hand own, diagonally from each other in an attempt to distort the wires/aperture of the screen. If there is ANY movement in the weave, the belt suffers from Sleaziness!

Please read below


Delkor Linear Screens have an important roll in the Gold benefication process. They are typically used at the beginning as woodchip or trash removal and or at the end of the process, as carbon catch or policeman screens. The screen performance and correct slurry classification is determined by the quality of the screening media. If you are using a low quality, Sleazy Linear Screen, you will not be getting the most accurate classification of your slurry and could be losing GOLD.

A High Quality, Polyester Linear Screen will be woven on a purpose built, heavy duty loom and HEAT SET. The heat setting process, precisely shrinks the belt, shaping and increasing the cross-over surface area of the wires, this promotes unrivaled aperture and belt stability. A stable linear screen will perform, both metallurgically and mechanically better than a sleazy linear screen, which has not been HEAT SET!

When slurry weighs down on a Sleazy Polyester Linear Screen, the wires move and distort, changing the shape and size of the aperture. A sleazy belt will track erratically, often damaging the sides and clipper seam of the belt.
INSPECT WHAT YOU EXPECT!


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Linear Classification Screen
GKD and by association BSF Australia manufacture and supply Delkor linear screen cloths throughout Australasia. GKD weave and stock all aperture sizes ranging from 150micron duofil cloths to 3000micron polyester fabrics. GKD weave all belts to a maximin width of 6m by any length.
Linear Classification Screen


All BSF belts are woven on heavy duty looms. This means that very high wire tensions and larger wire diameters can be used in the weaving process.

The end result is a very stable fabric with consistent and precise apertures.



Clipper Seam

Easy to install

Strong stable and robust with a high tensile strength

Chosen specifically for the application be it chemical or abrasion resistance


The Edge

Stabilises the cloth

Prevents the cloth from unravelling

Remains durable and flexible throughout the cloth life


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Duofil Classification Screens
Super fine and efficient screening


The Duofill Classification screen was designed for maximum flexibility in the warp direction (running direction) and unprecedented stability in the weft direction (across the belt).

The Polyester wires in the warp direction are designed to withstand extensive positive and negative flexing, therefore eliminating wire fatigue when traversing small diameter rollers.

The small, single or multifilament stainless steel weft wire, gives the Duofill fabric unrivalled open area and screening efficiency when compared with a conventional polyester linear screen cloth.


Apertures start from

150 micron up to a maximum of 2000 micron


Open area comparison

Duofill Polyester

1000 micron (46%) 1000 micron (30%)



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Woven Stainless Steel Classification Screen

Plant Operators are consistently looking for ways in which to screen process slurries efficiently, accurately and more effectively in terms of particle retention and size distribution. Since it’s inception the Delkor Linear Screen has efficiently classified slurry particles from 400 micron up to 3mm. However, when small 400+ micron particles are to be retained, standard polyester linear classification screens are inefficient. This is due to the large polyester wires severely reducing the open area of the fabric.

Woven wire mesh in a screening application has an advantage over polyester mesh in terms of aperture size versus material open area. However up to now, woven wire belts have not been successful on a Delkor linear Screen due to the stainless steel wires fatiguing or stretching, while traversing around the support rollers. GKD now have the solution.

Principal of Operation
Minor modifications are required to fit the GKD Trackmatic belt to an existing Delkor Linear Screen. The drive, tail, and support rollers will need to be changed for grooved pulleys matching the crimped wires on the bottom of the Trackmatic belt. The crimped wire will then run inside the groove of the pulley, tracking the belt. All tracking equipment is eliminated. The Trackmatic belt can be woven with varying apertures and open areas dependent on your application. When extremely fine particles are to be retained, fine wire mesh is fastened to the Trackmatic Belt and used as the screening medium.

The Trackmatic belt has been designed to withstand harsh mining and industrial environments.
The GKD Trackmatic belt can classify particles from
150 micron through to 10mm.

BSF AUSTRALIA ADDRESS 2 / 108 Winton Road
JOONDALUP WA 6027		 TELEPHONE + 61 (8) 9300 0615
info@bsfaustralia.com.au POSTAL PO Box 624
JOONDALUP DC WA 6919		 FACSIMILE + 61 (8) 9300 2053