District heating pipe system unveiled in the UK

British manufacturer CPV Ltd has unveiled a brand new pre-insulated pipe system for use in district heating applications.

Hiline Flex is a flexible, pre-insulated PEX pipe system that is designed for use in buried heat networks. A cross-linked polyethylene (PEX) service pipe is encased inside a highly-efficient bonded layer of polyurethane foam insulation, which in turn is protected by a distinctive corrugated green outer casing of LDPE.
CPV Ltd district heating piping
The piping is suitable for continuous operating temperatures of up to 80°C.

Mark Whettall, CPV’s managing director, commented: “We have invested heavily in our UK production and warehousing facilities and the launch of this new, flexible district heating pipe system underpins our commitment to the development of the heat networks that are being built in response to the fight against climate change.”

“Although pre-insulated steel pipe systems still have an important role to play – particularly in the larger-scale distribution networks and arterial supplies, we’re seeing many more hybrid systems being developed that use a combination of both steel and flexible PE-Xa systems for

During the recent expansion of the company’s Hampshire-based production facility, it has constructed a new training centre that is enabling it to certify engineers, installers and supervisors in the best practices for high-quality installation methods for pre-insulated heat networks.

Whettall continued: “By keeping standards high, we are ensuring that confidence can grow in the district heating sector’s ability to reliably deliver low-carbon heating and hot water to consumers.”

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