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Rädlinger primus line GmbH

展位号: E2-2043


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 degree. 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.


Primus Line® is a flexible sliplining solution for the trenchless rehabilitation of pressure pipelines.

The system consists of a flexible Kevlar®-reinforced liner and specially developed end fittings. The liner is self-supporting and not attached to the host pipe – an annular space remains. Developed by experienced engineers, the system is suitable for different media as well as various other applications and has already proven itself in numerous projects: besides the rehabilitation of damaged pipelines, it can also be used to increase the pressure within existing systems, protect them from corrosion and build bypass systems or stand-alone solutions.

The Primus Line® system is certified in many countries – for example Australia, the USA, Germany, Canada and Israel – and meets the highly demanding standards for the transportation of drinking water worldwide. Primus Line® is available in nominal diameters ranging from DN 150 to DN 500 (6 inches to 20 inches).

Primus Line<sub>®</sub>

Primus Line®

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.

Primus Line<sub>®</sub>

Primus Line®

The Primus Liner with its three layers

Primus Line<sub>®</sub>

Primus Line®

Primus Line®connectors


Primus Line® arrives in the Far East 

First installation of Primus Line ® in Hong Kong protects existing seawater-carrying pipe and proves itself through flexibility and short installation time As part of its world tour, Primus Line ® has now also arrived in the Far East. InnoPipe is the new, certified installation partne...| » 阅读更多的内容 

Rehabilitation of „fjord siphon“ with a length of 1,240 m 

Stadtwerke Flensburg GmbH operates a drinking water siphon through the Flensburg Fjord in the area of the harbour. This important main supply line was manufactured from PE 80 in the 1970s and flushed into the bottom of the fjord. The fjord pipeline runs 1,240 m from the Ostseebad waterworks in a...| » 阅读更多的内容 

Preventative maintenance of a DN 400 PN 16 steel water main installed in a bridge 

The Marienbrücke bridge in Passau, with a length of approx. 220 m crosses the Inn river at the height of the St. Stephan Cathedral and connects the old town with Innstadt, which is the only district in Passau to the right of the Inn. At the same time, the Marienbrücke bridge is the onl...| » 阅读更多的内容 


Rädlinger primus line GmbH
Kammerdorfer Str. 16
93413 Cham

电话: +49 9971 4003100
传真: +49 9971 4003123

Robert Swift
Business Development Manager China
电话: +852 35251727

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