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The German-based abbreviation “Labs” refers to substances which impair wetting in paint shop processes. For example, silicones can impair the even application of paint and cause pitting. For that reason, pipelines in paint shops must be kept especially clean. Viega’s production of Labs-free press connectors is subject to high demands and continual internal inspection.
Demand for Labs-free products arose with the introduction of water-soluble paints in the automotive industry. For example, silicones can prevent the paint being distributed evenly on the component, resulting in visible "pitting".
Even small amounts of such paint-wetting impairment substances can have a negative effect on paint shop processes in the automotive industry. Viega’s Labs-free products provide a solution which actively prevents damage.
For quality assurance, "pitting test reports" from all renowned German automotive manufacturers that are continually testing Viega products are kept on hand. They are also subject to the external controls and protocols of the automobile manufacturers, and meet all requirements.
Our Service Center is on hand to help you find the right solution.
The ball valves of Labs-free press connector systems can be used without restriction in potable water installations:
In accordance with the German Drinking Water Ordinance
In compressed-air systems with operating pressure ≤ 1.6 MPa (16.0 bar)
In heating systems in line with DIN EN 12828
Usage for applications other than those described above must be agreed with the Viega Service Center.
When selecting ball valves and slanted seat valves, it is all about the choice of material and ease of actuation. Some slanted seat valves and ball valves are also available as Labs-free components.
Our Viega Easytop fittings:
Viega press connection technology with the Sanpress, Sanpress Inox, Profipress, Prestabo and Megapress systems has proven its value in potable water and building services installations over many years of application. It is increasingly being used in industrial systems which have special operating conditions regarding the pressure, temperature and concentration of the transported media. Careful consideration is required when choosing the pipe and sealing material. The "Fields of application for metal installation systems" information brochure, which is available to download on the right, will make this choice easier.