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Certification opens door for coupling sales to the marine sector

11 April 2006

An independent certification received by John Crane EAA for its power transmission couplings has opened the door for these products to be sold to the marine industries market. The company’s Metastream T-Series membrane couplings have received a Type Approval Certificate from Det Norske Veritas (DNV), which confirms that they comply with DNV’s Rules for the Classification of Ships/High Speed and Light Craft. Although the T-series couplings have only previously been sold for special marine applications where specific design approval was required, the new certification now allows them to be used on a far wider variety of applications.

The DNV certification covers John Crane’s Metastream TSKS, TSKC, TSR and TLK couplings and confirms their suitability for use in both marine propulsion and auxiliary applications. It covers the quality of the couplings’ design, their construction and construction materials, and their ability to conform to their claimed performance specifications.

The T-Series couplings offer proven, pre-assembled transmission units that provide superior balance integrity. They are particularly suited to electric motor or turbine drives, and can accommodate significant levels of angular, lateral and axial misalignment. They feature an infinite operating life, low imposed loads on associated bearings, a high power-to-weight ratio, plus easy maintenance, no wearing parts, no lubrication requirements and a corrosion-resistant construction.


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