With over 40 years of expertise, CPV’s Hiline range of pre-insulated pipe systems has evolved significantly from its original steel pipe offerings. Today, the range includes advanced service pipes crafted from thermoplastics, composites, and metals, all designed to optimise performance and reliability. These pipes are insulated with durable polyurethane foam and encased in robust polyethylene, offering versatile solutions for various temperature and pressure requirements.

Rigid Service Pipe Options (supplied in straight lengths):

  • Hiline Clover: High-performing polymer, suitable for continuous use up to 80°C.
  • Steel: Designed for continuous operation up to 130°C.
  • Copper: Reliable for continuous use up to 110°C.

Flexible Service Pipe Options (supplied in coils):

  • e-Flex: Cross-linked PE-Xa for continuous use up to 80°C.
  • FibreFlex: Aramid-fibre reinforced polymer, ideal for continuous use up to 80°C at 10 bar.
  • FibreFlex Pro: Enhanced aramid-fibre polymer for continuous use up to 95°C at 10 bar.

Off-Site Fabrication
Our off-site fabrication service is increasingly sought after for both above- and below-ground systems. It enhances quality, accelerates installation, and reduces costs. Components can be customised and pre-insulated to meet site-specific requirements.

Pre-Insulated Valves
We offer a comprehensive range of pre-insulated valves tailored for district heating networks.

Electrofusion Casing and Repair Joints
CPV supplies high-quality joints from Seal For Life (Canusa) to ensure seamless performance.

Complete Systems
Our Hiline pipes and fittings conform to BS EN 253 standards for underground hot water networks. All products are manufactured in an ISO 9001-compliant environment.

World-Class Support
Backed by decades of experience, CPV provides unparalleled support, including:

  • Stress analysis using industry-standard sisKMR software.
  • Surveillance system design and guidance.
  • Installer and supervisor training at our UK training centre.
  • Tool sales and hire for Hiline systems.
  • On-site support from project inception to long-term maintenance.

Choose CPV for reliable, innovative, and efficient pre-insulated pipe solutions.

Find Out More

For further information or to discuss how CPV can assist you then please contact us by calling +44 (0)1794 322 884 or emailing: [email protected] or

Alternatively, visit www.cpv.co.uk