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Huco launches Guardian Delta Couplings for mobile plant applications

Mobile Plant Assembly

Huco Dynatork, a leading manufacturer of small precision couplings, has become the UK distributor of Delta flywheel couplings from Guardian Couplings. The Delta range is specifically designed to deliver smooth power transmission, with reduced noise and vibration, for diesel driven hydrostatic machinery including forklifts, agricultural vehicles and off-highway plant equipment.

A product brochure is available from the Huco sales team (sales@huco.com) or can be downloaded here.

Since their launch, the Delta couplings have been tried and tested in many different applications around the world. Designed and manufactured by Guardian Couplings, the range is available exclusively from Huco Dynatork in the UK. Both brands are part of Altra Industrial Motion, a leading global supplier of power transmission components, meaning that UK customers benefit from expert local support with direct access to the manufacturer.

Guardian Delta Coupling

The couplings have been designed for easy installation, using a single-piece design which incorporates a hardened steel hub that is pre-assembled into a glass-fibre reinforced flange. The coupling attaches to the engine flywheel, taking advantage of elastomeric grommets that provide a steady dampening effect, protecting against normal engine vibrations and shock loading. Despite the dampening, the construction of the coupling remains relatively stiff, allowing equipment with low inertia to operate below the critical speed range.

While the couplings are suited to accurately aligned drives, they are able to accommodate the small angular, parallel and axial misalignments which are typical to piloted flange connections. They have been designed for long term reliability in demanding applications with the latest tier engines, and are able to transmit a nominal torque of up to 693 Nm and a maximum torque of 1,730 Nm. The hubs can be specified with a straight bore and keyway with set screw retention for straight pump shaft demands, or with a spline shaft connection.

The Delta range is suitable for use in almost any industrial environment on the planet, thanks to an operating temperature window ranging from -40°C to 100°C. Additionally, lithium based grease is applied to the hub at assembly to deliver an extended service interval. The coupling’s performance can be further maximised when used in combination with engine housings from Guardian’s hydraulic pump mount range which is also available from Huco in the UK.