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Flexible couplings for diesel pump drives

Flexible couplings for diesel pump drives

The new Centax-K range from Centa is a torsionally-soft coupling designed for diesel-driven compressor, pump or hydraulic drives, features a rubber element that’s vulcanised to a steel adapter plate with several steel and reinforced plastic options on the output side. The coupling can be plugged in axially for easy mounting and with the benefit of high specification design and low cost, the new Centax-K is an impressive addition to the hydraulic pump drive range. It is available in three sizes and covers torques ranging from 400 to 800Nm.

This new coupling follows the recent launch of the single piece, torsionally-stiff Centaflex-KF. This is a stronger yet thinner lightweight flexible coupling offering construction plant operators more flexibility and superior stiffness. Designed for use in plant, crushers and other construction equipment, the new Centaflex-KF allows increased levels of radial compliance and has a short-term resilience to high temperatures of up to 120°C, owing to an evolution in rubber blending compounds. This is of particular benefit if the need to operate in sealed enclosures is a consideration.

Centaflex-KF consists of a lasered metal adapter plate for the flywheel connection, with a secondary flange made of moulded reinforced plastic, bonded to an extremely strong layer of vulcanised, temperature resistant rubber. The adapter plate is considerably thinner than that of the Centaflex-KE and rather than rollers around the circumference, it is the strong rubber central core, vulcanised to the mounting plate, that gives the CF-KF its superior stiffness. This improved stiffness means that the torsional activities and resonances are moved further from running speeds.

Centa also produces a range of complementary products for use with hydraulic pump drives, including the latest version of the Centa Belt Box, Centa’s Hydraulic Pump Mounting Kits, including the two-piece pump mounting plate, and other hydraulic drive related flexible couplings. These are all designed to suit any diesel engine-driven industrial application where the elimination of misalignment, vibration, noise, or even, weight reduction, is required.

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