www.jbj.co.uk/couplings.html#flender Complies with the current ATEX Directive for: II 2GEx h IICT6 ... T2Gb X II 2DEx h IIICT85 °C ... 250 °CDb X I M2 Ex hMb X Benefits ARPEX couplings of the ARF-6 series are extremely short and so suitable for drives with short shaft distances. They also serve as self-aligning couplings for axial, angular and radial misalignment. The hubs are available both as pure clamping hubs for smooth shafts and with parallel keyway for shafts with parallel key. The variant with slit clamping hubs enables the delivery of fully preassembled couplings. This means that the entire coupling can be dismounted and fitted without moving the connected units.. Coupling suitable for use in potentially explosive atmospheres. Application ARPEX couplings of the ARF-6 series are designed for minimum fitting spaces without having to sacrifice the advantages of the two-joint coupling. It is thus possible to compensate for both axial and angular as well as radial misalignment. By using half-shell clamping hubs, the coupling can be radially freely dismounted. Power is transmitted via hexagon socket head cap screws and close-fitting bolts with nuts and ring plate packs in hexagonal design. Torques of between 120 and 6100 Nm can be transmitted at a permitted angular misalignment of 0.7°. » Machines in confined fitting situations » Film stretchingmachines The two plate packs form a unit with the adapter disk and are screwed together with close-fitting bolts and nuts at three points. The alternate connection of this intermediate unit with the flanges of the split coupling hubs is achieved by means of short hexagon socket head cap screws at further three points. The hubs are designed as axially slit clamping hubs with a half-shell. For larger bores these can be manufactured as jumbo hubs. Optionally, the hubs are also available without parallel keyway. Main areas of application for theARF-6 series: GG: Variant with 2 standard clamping hubs. » Machines in the cellulose industry GJ: Variant with 1 jumbo clamping hub for large bore. Design and configurations 30 #DriveLineHarmony ARPEX ARF-6 Series Introduction Torsionally Rigid All-Steel Couplings Hexagon Socket Head Cap Screw Split Hub Hexagon Socket Head Cap Screw Disc Pack Unit
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