World leaders in what we do…

Design & manufacture of  couplings, flange adaptors, pipe connections, repair & flow control products, shouldered and expansion joints for international water & gas markets.

Expansion Joints

Posiflex expansion joints - stress relief for piping systems. A range of flexible elastomeric joints that can handle thermal and mechanical vibrations in pipe networks.
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Catastrophic mains burst in Liverpool

Viking Johnson fabricated a 1048 x 1084mm ductile iron to cast iron stepped coupling within 24 hours.

Dedicated

Dedicated products are Ideal for new lay pipe schemes, available in sizes up to DN5000, they offer a cost effective solution for connections to plain ended pipes or to flanged equipment.
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PE Solutions

A range of mechanical couplings and flange adaptors for all weather and site conditions providing a quick and easy way of joining or repairing PE pipe materials.
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Wide Tolerance

Couplings and flange adaptors accommodate plain ended pipework with differing outside diameters. One size covers different pipe materials, ideal for repair and maintenance work.
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Pipe Repair

Repair clamps and under pressure tapping products, featuring wide tolerances for repair and branch connections for pipes manufactured from a variety of materials.
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Flow Control

A range of valves and an award winning fire hydrant, ideal for isolation, control & backflow preventions of potable & wastewater, slurries, sludges, gases & powders.
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