About us

Rädlinger primus line GmbH is the manufacturer of the Primus Line® system, an innovative relining solution for the trenchless rehabilitation of pressure pipes for different applications such as water, gas and oil. The system consists of a flexible Kevlar® reinforced liner and specially developed end fittings. Clients benefit from long insertion lengths of up to 2,500 m in one single step and the product’s ability to traverse bends of up to 45 degrees. Primus Line® is not bonded to the host pipe and is self-supporting. An annulus remains between Primus Line® and the host pipe.

Small construction pits, short rehabilitation times and the low level of impact on the environment, make Primus Line® the ideal technology for the rehabilitation of defective lines in sensitive environments. Developed by experienced engineers and more than 15 years in business, the system is suitable for various application needs and has already proven itself in numerous projects.

Products and services

Its multi-layer structure, as well as the small wall-thickness, make Primus Line® the ideal system for the trenchless rehabilitation of pressure pipes: Stable and secure, with diverse areas of application and high levels of efficiency. The outer layer consists of an abrasion-resistant PE sheath to protect the liner during installation. The Kevlar® fabric consists of seamless woven aramid fibres, which accommodate the operating pressure. The inner coating is fluid specific, made from PE or TPU.

For the connection of Primus Line to the host pipe, two systems are available: The Primus Line low pressure system (picture) ranging from 12 bar to 25 bar as well as a Primus Line connector for medium and high pressure applications ranging from 16 bar to 82 bar. According to requirements, the connector can be equipped with either a flange or welding end, and enables the connection to adapter pieces, T-pieces and valves.
Composition of Primus Liner

Primus Line End fittings

Primus Line
Kammerdorfer Str. 16
93413 Cham

Phone: +49 9971 8088 0
Internet: www.primusline.com
E-mail: Send message

Contact person

Peter Lorenz
International Account Manager
E-mail: Send message

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