Os acoplamentos mecânicos e os adaptadores de flange são componentes essenciais que garantem que as redes de condutas permaneçam sem fugas, flexíveis e resistentes.
Os produtos de reparação de tubagens oferecem uma forma rápida e segura de vedar fendas, buracos e secções corroídas instantaneamente — muitas vezes sob pressão total do sistema —, evitando a necessidade de interrupções na rede, que são dispendiosas e demoradas.
Laing O’Rourke were the main contractors involved in the construction of a new 2.5km replacement clean water pipeline, which is part of the Derwent Valley Aqueduct (DVA) triplication scheme, on behalf of Severn Trent Water.
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A solução
The scheme required the laying of a replacement pipeline around the edge of Swithland Wood and the upgrade of Hallgates Water Treatment Works with a new break pressure tank and pumping station. Viking Johnson were pleased to support this project by supplying products made to suit the specific pipe OD of ductile iron pipe. Viking Johnson step couplings were required to downsize to a tee piece which fed to a connecting pipeline.
Vantagens da solução
Couplings can absorb up to 10mm expansion and contraction, flange adaptors up to 5mm which allows for movement on bridge crossings, in chambers and pump stations. Often eliminates the need for special expansion joints.
Couplings can offer up to 6° of angular deflection, flange adaptors 3° – to allow for the connection of misaligned pipes; take up ground settlement at structures; lay pipes to large radius bends.
The standard finish for all Viking Johnson products is black Rilsan Nylon 11, which is highly resistant to impact, corrosion, abrasion and chemical attack. However, other coatings such as shopcoat, hot dip galvanising, zinc spray and epoxy coating can be supplied as required.
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