Profile Wire Slotted Tubes or slot tubes are used in filtration

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Profile Wire Slotted Tubes General Construction Drawing Slot tubes are welded structures with the support profiles being rods in the axial direction of the tube and surface profiles spirally wound around the support profiles. Slot Tubes are manufactured directly on a machine. They have the unique advantage of very accurate, narrow slot openings and perfect roundness all in one. Slot tubes can be provided with the necessary end pieces for attachments and/or reinforcements. Standard constructions of slot tubes (special constructions are possible on request) The designation of a slot tube describes its construction as follows: surface wire / support wire x number of support wires. Example: 12S/Q25 x 8. This means that the profile wire is 12S. The support wire is Q25 and there are 8 support wires, equally spaced over 360°. Slot tubes with dimensions and/or tolerances other than those described below, are available on request. Profile combinations Surface Profiles Support Profiles Min. diam. mm Min. slot width mm 10S Q25 21 0.10 11S Q20 or Q25 23 0.030 12S 22S 30 0.050 12S Q25 23 0.030 12S Q35 30 0.050 18S 22S or Q35 30 0.050 18S Q25 25 0.030 18S D45 300 0.20 18S 10x3 300 0.20 22S 22S or Q35 45 0.10 22S D45 or 10x3 or 25x3 300 0.20 28S Q35 215 0.20 28S D45 or 10x3 or 25x3 300 0.20 34S Q35 300 0.20 34S D45 300 0.20 34S 10x3 or 25x3 300 0.20 42S Q35 or D45 300 0.20 42S 10x3 or 25x3 300 0.20 Diameters Outside diameter in mm Number of support profiles 30 8 45 10 57 12 70 18 85 18 97 20 110 24 137 30 164 36 215 48 268 48 305 40 380 48 460 60 510 64 625 80 914 180 Standard tolerances (tighter tolerances are possible on request through the use of special techniques). Slot Size: ± 0.030 mm (max. ± 0.030) ± 0.1 mm (max. ± 0.2) for O.D. ≤ 300 mm for O.D. > 300 mm Diameter ± 0.3 mm ± 0.5 mm ± 2.5 mm ? < 164 mm 164 < ? < 300 mm ? > 300 mm Length ± 2 mm ± 4 mm ? ≤ 300 mm ? > 300 mm Special features: Reversed profile Normal construction of slot tubes allows for flow out to in filtration. However, flow-in -to-out constructions are also possible. This construction can also be used when the slot tube is used as support tube for another filter medium, so that only the wedge is in contact with the medium to increase the open area. It is can be always found in filtration solution. Variable slot opening For special purposes variable slot openings are possible for all diameters. Continuous cylinders By using a lot of support profiles, an axial slot can be obtained. These filter elements are called continuous cylinders.

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Sanya Wedge Wire Factory

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