27 Mechanical Power Transmission Disc Couplings DIRA-6 and DILRA-6 DIRA-6 and DILRA-6 Type Industrial Coupling The DIRA and DILRA type couplings are designed to be direct replacements for floating shafts in flanged series floating shaft gear couplings. This type uses existing or rigid F-Style gear coupling hubs. The DIRA/DILRA are similar to the DIR and DILR Types with the exception these incorporate the use of an SLD shaft locking device to make length adjustments instead of shims. The standard axial adjustment is +/- 2.0 inches for this type of coupling. Custom length adjustment amounts can be provided on request. The DIRA is provided with rigid hubs. The DILRA can be manufactured to serve as a direct drop in replacement for use with existing rigid hubs without disturbing or moving the equipment. All spacers are manufactured to the customer’s specified length and are sized using a service factor of 2.0. The coupling has two flex planes (one at each disc pack) so it can accommodate parallel misalignment by the angular misalignment in each disc pack and it is suitable for axial displacement within specified limits. (Drop In Centre) www.jbj.co.uk/disc-couplings.html #DriveLineHarmony
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