Jaw Couplings REK … DGZ elastic for dynamic applications with enclosed elastic elements and spacer Features • Compensation of axial, radial and angular misalignments • Adsorbs vibrations • Progressive torsion spring properties due to primarily pressurised elastic elements • Fail-safe in the event of the failure of the elastic elements • Easy replacement of elastic elements without disassembly of the coupling halves • Easy separation of the drivetrain through disassembly of the coupling spacer • Maintenance free, no lubrication necessary • Complies with ATEX 2014/34/EU 48-1 Hub A, type 0 Elastic elements Jaw flange Spacer • Typical application: Pump drives, ventilator drives, crane trolleys Order example Coupling design Coupling size Material of the hub: • Cast iron Hub A, type: • 0, elastomer part Spacer pack Hub A, design: • finish bored with keyway • roughbored Hub B, type: • III, flange part Hub B, design: • finish bored with keyway • roughbored Elastic elements: • NBR 75 Shore-A • PU 92 Shore-A • HTrans

Jaw Couplings REK … DGZ elastic for dynamic applications with enclosed elastic elements and spacer Type 0 Coupling size Moment of inertia with max. bore JK Hub Hub Hub Hub type 0 type III type 0 type III mm mm mm mm Permissible misalignments Axial Radial Angular For finish bores, please specify bore diameter hub A and hub B. Tolerance of finish bores H7. Keyways in accordance with DIN 6885, sheet 1. Keyway tolerance JS9. Upon request: Hub type III in extended design; Spacers for varying DBSEs L3 For vertical installation, please contact RINGSPANN. See following pages for performance data. * Bores...

Jaw Couplings REK … DGZ Elastic elements Elastic element NBR 75 Shore-A Elastic element PU 92 Shore-A Nitrile rubber Coupling Nominal Nominal size torque power at TKN 100 min-1 PK100 Alter nating torque TkW Torsional stiffness CT dyn Nm/rad x 103 1,0 Coupling Nominal Nominal size torque power at TKN 100 min-1 PK100 Alter nating torque TkW Torsional stiffness CT dyn Nm/rad x 103 1,0

Jaw Couplings REK … DGZ Elastic elements Elastic element HTrans Material: Temperature range: -30 °C to +120 °C Colour: Coupling Nominal Nominal size torque power at TKN 100 min-1 PK100 Alter nating torque TkW Torsional stiffness CT dyn Nm/rad x 103 1,0