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James Walker’s Walkersele D8 rotary lip seal can be used to protect bearings in steel mills, processing plants and marine propulsion units.

The unit features a lip geometry that the company says enables flexibility with low lip loading and has been tested on applications that involve vibration and shock loads.

It operates at shaft speeds of up to 15m/s (2,953fpm) in standard nitrile rubber or cotton fabric materials, and up to 25m/s (4,922fpm) in fluoroelastomer or aramid-glass fabric materials. James Walker also offers the unit in a variety of other materials, and can custom design and manufacture cartridge seals.

The Walkersele D8 can be supplied in endless form and as Walkersele OSJ, which can be used for on-site joining on housings with retaining plates or as a self-retaining seal in endless form only.

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Key specifications

  • Operates at pressure differentials of up to 150kPa/1.5bar (21.75psi)
  • Accommodates shaft eccentricity of up to 3mm TIR
  • Standard shaft diameters offered range from 60–2,000mm (2.4–78.75in)
  • Larger sizes available to order

James Walker and Co

James Walker is a dynamic global manufacturing organisation that supplies a vast range of high performance fluid sealing products and associated knowledge-based services to virtually every sector of industry. Our activities range from research and development, product application, manufacture and supply, to plant monitoring, on-site maintenance and seal refurbishment. An intimate knowledge of the industrial plant and processes used by our customers worldwide enables us to solve their fluid sealing problems with best value systems designed to minimise total cost of ownership.

State-of-the-art skills in materials technology, particularly relating to elastomers, polymers, composites and engineering plastics, are central to our success — in addition to the core disciplines of high performance sealing technology and tribology. Extensive expertise in the precision machining of exotic alloys for metallic seals, and tension control fasteners for bolted joints, positions us firmly at the forefront of these technologies. We therefore claim that our products and expertise help to keep industry worldwide running safely and efficiently year-in and year-out.

Our worldwide family of companies has 11 production, engineering, distribution and customer support sites in the UK, and a further 40 spread across Continental Europe, Australia, New Zealand, SE Asia, South Africa and the USA. At the local level, a close-knit network of James Walker companies and official distributors supplies our products and services to over 100 countries. Highly developed e-commerce systems and logistics operations give customers the surety of supply they need. We also work in partnership with customers at all levels. The long-term contracts we forge with multinational corporations cover the requirements of their plants across many continents.

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