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kwik-ZIP gets the show on the road

The kwik-ZIP HDXT Series is an anti-corrosion, non-metallic casing spacer range for pipe-in-pipe (PIP) applications such as slip lining and cased crossings.

Suitable for heavy-weight pipe materials including steel, ductile, mild steel cement lined (MSCL), glass reinforced epoxy (GRE), polyvinyl chloride (PVC) and high-density polyethylene (HDPE), it can be used on all diameters from 300 mm and beyond through the simple addition of multiple segments.

Kwik-ZIP HDXT-43 spacers were recently used on a project for Highways England on a M42 J6 diversion in Birmingham. UK-based infrastructure services and engineering company Amey used the spacers to facilitate the slip-lining of a four-pipe bundle.

Junction 6 of the M42 connects the M42 motorway to the A45 to the east of Birmingham, where road users suffered significant delays and due to capacity constraints. The M42 J6 Diversion Project was designed to alleviate some of these delays experienced by motorists.

The 4-pipe bundle consisted of 2 x DN 180 HDPE and 2 x DN450 HDPE pipes with a run length of 135 m. Kwik-Zip spacers were selected for this project due to their ability to secure the 4-pipe bundle together; their suitability to work with any pipe profile; and their design that protects and supports the bundle during the slip-lining process. 

Kwik-ZIP’s large range of spacers caters for a wide range of carrier and casing pipe size combinations, as well as providing flexibility to deal with project alterations. Kwik-ZIP spacers have no metal parts and are made from Kwik-ZIP’s engineered thermoplastic blend that is flexible, extremely tough and has a low co-efficient of friction. 

Amey site manager on the M42 J6 Diversion Project Tim Lohoff commended kwik-ZIP for the intuitive design and ease of use of the spacers, which helped the project to come to fruition. 

“The spacer system was easily installed and was an excellent aid in slip lining the 4-pipe bundle through the tunnel, which we had installed prior to slip lining works – a truly excellent product,” says Lohoff.

For more information visit kwik-ZIP’s website

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