Specialising in small diameter pipes, BRAWOLINER® and Spray-Liner® have become one of the leading system suppliers in the drain and sewer renovation industry. Beside the consumable liner and resin, the companies also proide appropriate installation equipment and purpose-built, fully equipped vehicles and trailers. The BRAWOLINER® and Spray-Liner®-process is a no dig rehabilitation solution. Excavation work or uncovering the faulty pipes is not necessary. This saves not only time but money.
The BRAWOLINER®-process was developed specifically for the rehabilitation of pipes in diameters from DN 50 to DN 250 and offers many advantages compared to traditional remediation:
• Rapid rehabilitation without excavation, dirt and noise
• Up to 50% cheaper than open construction
• Suitable for almost all damage and all pipe materials
• Durability of over 50 years
Before the installation, the flexible BRAWOLINER® will be impregnated with epoxy resin and then inserted in the defective pipe by using air or water pressure. BRAWOLINER® lines the pipe completely and eliminates all existing and potential damages. Curing creates a completely new, watertight pipe within the old one with significantly better static properties.
The Spray-Liner® method can be applied to all sewer pipes within a building starting at a diameter of 34mm. It is suitable for all current materials like PVC, concrete, PE, PP, cast iron and vitrified clay. Typical damages such as mechanical wear, voids, radial- or longitudinal cracks, leakages or corrosion can be repaired with the Spray-Liner® method.
The trenchless rehabilitation allows a quick, cheap and permanent rehabilitation of pipes within buildings, buried pipes and pipe connections.
BRAWO® LumCure - Light curing method for pipe rehabilitation
In addition to the curing process by means of water, steam and the ambient temperature, BRAWOLINER® has developed new capabilities with the process of light curing - for even more efficiency! With BRAWO® LumCure, BRAWOLINER® offers a brand new technology - a new light curing method and a new resin system. Thanks to the flexible UV system, it can cure approximately 0,5 meters of liner per minute with a current diameter of DN 150. The appropriate and new resin system, BRAWO® LR, is only one component, styrene-free vinyl resin for UV light curing. Currently, the system can be used in a diameter range between DN 100 and DN 200 in pipe lengths up to 30 meters.
The BRAWO® Tech business division includes the individual vehicle fitting and the high quality rehabilitation equipment. All equipment has been specially developed for the renovation of small diameter drain and sewers. The vehicle construction is not limited to one manufacturer or one model but can be done with vans of all kinds and manufacturers. Thus, the individual needs and requirements of the customer can be addressed in each case.
The Spray-Liner® method
The Spray-Liner® process allows an internal renovation of sewage pipes with inner diameters starting from 34mm up to 155mm. An especially developed epoxy resin is applied onto the interior of the pipe wall, thus old pipes will be sealed long-lasting. It is suitable for nearly all kind of pipe materials such as PVC, vitrified clay, concrete, cast iron, fibre cement, GRP, PE, PP and so on. With this homogenous internal coating of sewer pipes Spray-Liner® offers an efficient alternative to the conventional exchange of old pipes.
BRAWOLINER® - Karl Otto Braun GmbH & Co. KG
Phone: +49 631 20561-100
Fax: +49 631 20561-222
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