© Siemens AG 2015 FLENDER Standard Couplings Coupling Preselection and Options Selection of the coupling series 3 Preferred solution Possible, less common – Uncommon FLUDEX couplings are mostly mounted on the high-speed gear shaft. 3/5 Siemens MD 10.1 · 2015 Example applications Application factor FB FLUDEX ZAPEX ARPEX N-EUPEX RUPEX N-BIPEX ELPEX-B ELPEX-S ELPEX Cement industry Crushers 1.75 ... 2.5 – Rotary furnaces 1.5 ... 2.0 – – – Hammer mills 1.75 ... 2.5 – – – – Ball mills 1.75 ... 2.0 – – Pug mills 1.75 ... 2.0 – Mixers 1.5 ... 1.75 – Pipe mills 1.5 ... 1.75 – Beater mills 1.75 ... 2.5 – Separators 1.5 ... 1.75 Roller presses 1.75 ... 2.5