High Precision Filter Tubes
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High Precision Filter Tubes. Spirally Wound Welded Wedge Wire Screens

Design Radial slot execution Picture 1 Design: FOTI (=Filtration from outside to inside) External working surface The wound slot performing triangular profiles are welded to the internal support bars with the V-shaped side. The external working surface is smooth. Picture 2 Design: FITO (=Filtration from inside to outside) Internal working surface The wound slot performing triangular profiles are welded to the internal support bars with the flat side. The smooth internal working surface is interrupted by the support bars. Axial slot execution Picture 3 For filtration from the inside to the...

The Slotted Filter Tube Reinforced execution Slotted filter tubes with internal spiral support made of rectangular wires for high differential pressure. With this “heavy” design operational performance of the slotted filter tube can be further improved. Special remark Varying slot widths can also be combined, if required, within one filter tube. In these cases, the lengths of each zone and the specific slot widths must be stated with the dimensions concerned. Slot widths and open area Open filter area in % The smallest slot width is 0.01 mm, gradually increasing. The open screen areas...

Principal Functioning The triangular shape of the slot performing profiles used means blockage of the individual slots is practically avoided. Slot enlargement in the direction of flow largely precludes jamming of critical size particles. Construction type example t slo 11 US / Q 25 x 8 11 US = profile with 0.75 mm head width and 1.8 mm height Q 25 = support cross bar with 2 mm width and 3 mm height 8 = number of cross bars equally spread around the circumference. Standard quality Type DIN 1.4435 - AISI 316 L Other qualities and / or surface treatments are available on request. Our high...

The profile wires are welded on computer- High precision filter tubes with diameters up controlled spiral welding machines, designed to 305 mm can be produced. For larger dia- for this specific purpose, to form a solid filter meters our welded wedge wire cylinders type unit. OPTIMA-SPIRAL are used. End pieces for small and medium series The high precision filter tubes can also be are produced on our own modern CNC manufactured with necessary reinforcements equipment. like end pieces, rings or flanges etc., in cases provided by the clients themselves.

Filtering With Maximum Precision Our high precision filter tubes comply with outstandingly high quality standards. We thus meet requirements optimally adapted to applications in filtration technology. In most cases it is used as a direct filter element, but can also work as a support structure for fine filter materials such as filter cloth (metal or plastic) and fleece. l diameter l slot performing profile l cross bar type l slot width (or in special executions several slot width sections within one filter tube) l qualities for profiles and cross bars l length of the slotted filter tube l...

Safety Quality assurance An absolute must for maintaining optimum and constant quality on a high level is testing the surface quality of the profiles and their dimensions as well as the particular steel grades involved. In addition to our permanent inspections, we also issue test reports for our customers, if requested, in accordance with EN 10204. On state-of-the-art measuring instruments randomsampling of slot deviations is done and recorded. High precision filter tube with 10 µm slot width 7

Screen Panels Screen panels made of steel and polyurethane, system screen segments, wire cloth, perforated plates Slotted Screen Panels Slotted screen panels made of wear resistant, alloyed, corrosion resistant steel grades, with and without reinforcement, in welded and looped execution. Wire Conveyor Belts Wire conveyor belts, woven and braided, belt tracking device Filter Media Filter cloth, hoses, bags made of textile fibres, form filters and filter fabrics made of metals and synthetics, high precision filter tubes STEINHAUS GmbH Platanenallee 46 45478 Mülheim an der Ruhr Germany