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James Walker’s Supagraf Premipak combines two fugitive emission-control products to provide a combination packing that conforms to the Shell material specifications MESC SPE 85/203 and 85/204.

Premipak combination sets comprise of a top and bottom ring in Supagraf Premier braided material, with three intermediate rings in moulded Supagraf graphite.

Supagraf Premier is a best available technique (BAT) product for reducing fugitive emissions in line with the European Union’s IPPC Directive.

The product is third-party verified to TA Luft standards for VOC emissions control and James Walker claims it emerged top of its class in independent tests run on behalf of CAPI Group (Akzo Nobel, Shell, Dow and DSM).

Moulded Supagraf represents a major enhancement of the operational capabilities of graphite sealing rings, providing outstanding sealing performance over long adjustment-free periods with excellent chemical resistance, low friction and high heat transfer.

James Walker Supagraf Premipak combination sets are available as pre-formed endless or split rings.

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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