Main turbine bearing fitted with Vesconite Hilube bushings

Argentina – A hydropower plant fitted its Stanley turbine with Vesconite Hilube turbine bearings in 2007. The original oil-film main- guide bearings used in the turbine ran the risk of water contamination. Vesconite Hilube proved itself as a superior alternative – hard-wearing, non-water absorbing and self-lubricating. Downtime and maintenance was significantly reduced, with resultant cost-savings.

Hoover Dam pressure relief valves fitted with Vesconite Hilube

USA – Vesconite has been the preferred choice for three pressure relief valves (PRVs) at the Hoover Dam. Originally designed in the 1930’s, the PVRs divert water around the turbines when flow to the turbines needs to be stopped. Vesconite Hilube was selected to replace the existing cast iron parts, which had oxidised. Vesconite has proved to the ideal material for this application, due to it’s self-lubricating, hard-wearing corrosion-free features.

Hoover Dam control-linkage fitted with Vesconite bushings

USA – The link-arms controlling the wicket gates on America’s Hoover Dam demanded a maintenance-free self-lubricating bush. The specific bush is subjected to considerable force and has a knock-on effect on the wicket gate system, which ultimately controls waterflow to the dam’s turbines. Vesconite was supplied, machined and fitted, and has performed flawlessly for the past seven years.

Vesconite Hilube fitted to wicket gates

Canada – A manufacturer of small-scale hydroelectric plants required a hard-wearing bushing material for their wicket gates – aerofoil-shaped blades which control waterflow to the hydroelectric turbines. A central shaft runs through the wicket gate and three bushings assist in their rotation. For the past 10 years, the company has successfully fitted Vesconite Hilube bushes to these critical parts, thanks to Vesconite Hilube’s low friction co-efficient, self-lubricating properties and negligible water absorption.

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