Product Guides

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Lionpak 9500

Previously known as Ramiex. A versatile, high-performance packing, cross-plaited from top quality bleached ramie fibre yarns that are impregnated with an advanced PTFE dispersion lubricant.

Lionpak 9501

A braided packing of tough flax fibre impregnated with our proprietary PTFE and oil-based dispersion.

Lionpak 9600

Previously known as Valcor Hi-Temp. Compression packing for very high temperature duties. It is manufactured from an exceptionally stable fibre material that is soft, non-irritating, non-hazardous, and is not limited by World Health Organisation or European Union restrictions.

Lionpak 9601

A special high-temperature compression packing for static duties. It is manufactured from fibrous form, inorganic refractory oxides - silica fibre with no metallic or ceramic content.

Lionpak 9602

An interlocked braid of fibrous form, inorganic refractory oxides - silica fibre with no metallic or ceramic content.

Lionpak 9603

A dry braided packing of fibrous form, inorganic refractory oxides - silica fibre with no metallic content.

Lionpak 9605

A high temperature, wear resistant and densely braided packing. It is manufactured from a core of braided glass yarns, coated with graphite and protected by a tough sleeve of braided copper wire.

Metallic expansion joints

Design and manufacture of standard and bespoke metallic expansion joints.

NTRMS no-twist rod mill seals

NTRMS no-twist rod mill seals for all major OEM rolling mills.

O-ring guide

The comprehensive guide to O-ring sealing systems including; O-ring selection, general and high performance materials, housing design and tolerances, cords, kits and lubricants.

O-ring guide (Russian)

The comprehensive guide to O-ring sealing systems including; O-ring selection, general and high performance materials, housing design and tolerances, cords, kits and lubricants.

Oil and gas downhole sealing guide

Sealing components and accessories for downhole duties.

Precision elastomer engineering

We have always designed and manufactured most of our tooling in-house. This helps us to achieve the highest standards of quality and precision in moulded products, often working to tight dimensional tolerances not generally associated with the manufacture of mechanical rubbers.

Precision machining of metallic seals and components

Dedicated to the precision manufacturing of high-performance metallic components for use in industry’s most demanding applications.

RotaBolt guide

Our RotaBolt technology has been helping to ensure bolted joint integrity for over 30 years.

Seal materials for rotary applications in the metallurgical industry

Rotary seal materials for rolling mill chock and heavy-duty gearbox applications.

Seal materials for rotary applications in the metallurgical industry (French)

Rotary seal materials for rolling mill chock and heavy-duty gearbox applications.

Sentinel X

Sentinel X is James Walker’s general purpose BS7531 Grade Y sheet jointing.

Shell TAT certificate of acceptance

Shell TAT certificate of acceptance

Shieldseal materials for use in nuclear applications

James Walker supplies only the highest integrity materials and specialised fluid sealing products to the nuclear industry.

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