Astim A.S. products

Travelling Grit Scrapers for single, twin or triple type basins manufactured as full wall, half Wall, steel profile or truss beam according to static calculations and requirements. The system consists of a travelling gantry over the channel which carries the grit and grease removal systems. Bridge is mounted on end carriages at both sides which have two polyurethane tired wheels with two guiding wheels or steel wheels driven on rails with or without pinion rack. Speed reducing unit includes a gearbox for required gentle slow movement and optionally a torque limiter. The settled grit can be either scraped to the collection pit or extracted by means of airlifts or submersible pumps. Also floated grease is scraped towards the removal channel by means of straight skimmers.

Grit Separators remove precipitates and heavy matter in municipal and industrial clarification plants by an inclined rotating shaft-less spiral. Turbulence is avoided by special construction of the hopper. ASTiM Grit Separator “AGS” which does not have any under water bearing reduces maintenance while offering increased grit removal and dryer grit. It has a very small profile for easier layout. ASTiM offers five different standard sizes which can be used up to 40lt/sec.

Grit Washer-Separator is a compact unit which is combining grit classifying and grit washing processes in a single tank with a small foot print. It is mainly consisting of an inlet structure, a conical tank where grit is settled and washed, an agitator mixer and an inclined spiral classifier.