www.jbj.co.uk/couplings.html#flender Selection criterion ZAPEX ARPEX N-EUPEX N-EUPEX DS RUPEX N-BIPEX ELPEX-B ELPEX-S ELPEX Torque range Rated coupling torque TKN in Nm 850 ... 7200000 92 ... 1450000 19 ... 62000 19 ... 21200 200 ... 1300000 12 ... 4650 24 ... 14500 330 ... 63000 1600 ... 90000 Speed range Peripheral speed vmax = DA ⋅nmax/19100 60 100 36 36 60 45 35 66 60 Torque load uniform non uniform rough very rough Installation & alignment Rigid installation, well aligned Rigid installation, roughly aligned Flexible installation Torsional stiffness Torsionally rigid Torsionally flexible Highly flexible Torque transmission Free of torsional backlash Low torsional backlash Overload withstand capability Assembly Plug-in assembly with Taper clamping bushes Maintenance Wear parts easily dismountable Maintenance-free Low-maintenance - interval 1 year Environment ATEX Approval – Operating temperature range -20 ... +80 °C -40 ... +280 °C -50 ... +100 °C -30 ... +80 °C -50 ... +100 °C -50 ... +100 °C -50 ... +70 °C -40 ... +120 °C -40 ... +80 °C Chemically aggressive Coupling material Cast iron Steel Stainless steel Add-on parts / types Adapter Brake disk Brake drum Axial backlash limiter Shiftgear Flange type Flange to SAE J620d Standard On request Not possible X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 16 #DriveLineHarmony Coupling Preselection & Options Mechanical Power Transmission Couplings the coupling series to be used. The FLUDEX series operates positively and transmits the torque with the aid of a flowing oil or water filling. FLUDEX couplings are used to reduce starting and/or overload torques. During starting, the motor may, for example, run up within a very short time; because of the FLUDEX coupling, the drive train with the drivenmachinemay accelerate after a delay and without increased torque load. The coupling series is frequently determined by the driven machine and the design of the drive train. Common selection criteria are listed below and assigned to coupling properties, which are used to select the coupling series.Additionally, the price of the coupling and availability are important criteria for determining Quick Reference SelectionGrid The FLUDEX coupling cannot compensate for shaft misalignment and is therefore designed in combination with a displacement coupling, a cardan shaft or a belt drive. The displacement couplingmay be selected in accordance with the criteria described below.
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