Filter belts for sludge dewatering on belt presses

For sludge dewatering on a belt press, it is generally possible to use a woven belt with a stainless steel clipper seam or a spiral belt with plastic spiral seam. The advantage of the spiral belt is its higher resistance to deformation and falding. However, the spiral belt is not always suitable for
sludges with a high organic content or for other sludges that are difficult to be pressed.