Product Overview

Torsionally rigid, backlash-free, all-steel multiple-disk coupling designed for high-speed applications

Nominal torque range: TKN = 1,000 Nm to 588,500 Nm, offered in 16 sizes

Temperature range: –40 °C to +280 °C

Product Features & Performance

ARPEX ART® high-performance couplings integrate professional expertise with maximum power density. They are applied in all high-speed drive systems that require torque transmission while accommodating shaft misalignment. In terms of bore capacity and safety, the ARPEX ART meets all expectations: its compact design enables it to compensate for all anticipated misalignments in a very small space, while simultaneously delivering the highest possible torque capacity, the lightest weight, and an excellent center of gravity.

The double-cardan principle adopted in the ARPEX ART allows for very large radial offsets, even under heavy loads. Thanks to its thin, individual disks, the reaction forces generated by shaft misalignment remain relatively low. The disks of the ARPEX ART high-performance coupling are made of high-alloy stainless spring steel, and all other coupling components are crafted from high-quality, heat-treated steel.

A key strength of the ARPEX ART is its achievable balance quality, which stems from extremely high processing standards, minimal production tolerances, and high-precision assembly processes.

Your Benefits at a Glance

• No lubrication required for the disks
• Play-free torque transmission, thanks to the patented positive compression screw fitting of the disk pack
• High balance quality
• Complies with API 671 requirements
• Suitable for use in potentially explosive environments; certified in accordance with 2014/34/EU (ATEX)
• Easy assembly with factory-mounted half-couplings and/or transfer units
• Low reaction forces
• Coupling installation and removal can be done without axial misalignment

Made in Germany, Used Worldwide

Application Fields

• Marine and Shipbuilding: Single-engine ships, multi-engine ships, dredgers, generator gearboxes, installation vessels
• Oil and Gas: Pumps, fans, compressors, air condensers
• Power Generation: Generators, gas turbines, boiler feed pumps
• Chemicals and Pharmaceuticals: Pumps and compressors
• Sugar Industry: Generators, steam turbines
• Other Fields: Test benches