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SKF Seal solutions for Crushers in West Africa

SKF South Africa, leading supplier of products, solutions and services within its global core technologies - rolling bearings, seals, mechatronics, services and lubrication systems, is entrenched as a trusted total solutions partner for Southern African industry.

An end user in West Africa recently experienced leakage problems on their crushers which, upon investigation, turned out to be damage to the all radial shaft seal arrangement caused by severe operational conditions. The customer contacted SKF in West Africa and although SKF West Africa could supply ten off split seals with dimensions 1180 x 1230 x 20, the lead time of twelve weeks was unacceptable to the customer who required a speedy solution due to costly lubrication losses and environmental pollution. SKF South Africa offered a SKF machined seal option which could be delivered to the customer at a third of the initial lead time quoted.

"Although the size of the seals was too big for the locally operated NG60 (600mm OD), we opted for the Austrian manufactured solution where SKF has the capability to machine endless seals up to 4000mm OD," explains Andrè Weyers - Platform Manager SKF Southern Africa.

The seals are manufactured from G-Ecopur which is a cast hydrolysis-resistant poly-urethane elastomer known for its chemical stability. Weyers discusses the features and benefits and says that in addition to prompt manufacture, G-Ecopur material has higher temperature and wear resistance capability than standard NBR seal materials and also requires no costly tooling to produce.

With a manufactured lead time of three weeks and shipping to South Africa of one week, eight off SKF large diameter machined seals type: R01-G Special, were supplied to the customer. "The customer values the prompt SKF service of the team in West Africa as well as SKF's capability to offer superior technologically advanced materials at a reasonable cost.

This has indeed strengthened our customer's confidence in SKF as a solution provider," comments Weyers. "The time saved on delivery will have a significant positive impact on the total running cost of the customer's equipment due to the resultant reduced downtime, asset optimisation and increased production".

"Our motto is that we are willing to work hand in hand with our colleagues in neighbouring countries and the rest of Africa to drive success in our core technologies to provide complete customer satisfaction and reliability. This was a good experience for SKF South Africa and SKF West Africa, and this successful cooperation can easily be replicated for other customers across the African continent," concludes Weyers.

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