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ATEX disc couplings

19 October 2015

R+L Hydraulics now offers Lovejoy disc couplings with ATEX certification. The specialist for power transmission technology and hydraulic accessories is owned by American coupling manufacturer Lovejoy and distributes the couplings throughout Europe. Typical applications for the ATEX-certified disc couplings are pumps and compressors for use in hazardous areas, such as the petrochemical industry.

The disc couplings are suitable for rough environmental conditions. They are wear-free and excel with their high torsional rigidity and zero backlash. Lovejoy disc couplings furthermore require no maintenance and can be inspected without being dismantled.

For use in hazardous areas, devices and components are classified according to device category, temperature class, explosion group and ambient temperature.

The disc couplings’ certification covers the following categories: Ex II 2 GD c 135°C (T4) and Ex I M2 c for couplings with torques up to 259 kNm and Ex II 2 GD c 100°C (T5) as well as Ex I M2 c for torque values up to 4.6 kNm.

There are ten versions of ATEX-certified disc couplings, covering a torque range from 0.24 kNm to 259 kNm. In addition to basic versions, various more sophisticated types with intermediate shafts or spacers are available. They are typically used in pumps and compressors. Specifically for use in the petrochemical industry, a series with spacer and guard ring – that fulfils the requirements of standard API 610 – is available.

R+L Hydraulics produces a wide range of fluid and power transmission couplings as well as hydraulics accessories. Its products are used mainly in machinery, vehicles, hydraulics and in the steel and offshore industries.

 
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