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The potable water required on ships is located in potable water tanks and is either bunkered in ports or processed at sea from seawater itself. The quality of the water must meet the requirements of the local Drinking Water Ordinance and must be regularly tested; the results are to be documented in the ship's logbook.
Viega press connector systems meet the requirements of technical rule DVGW W 534 for potable water installations and satisfy the quality standards and specifications of the German Drinking Water Ordinance as well as recommendations from the German Environment Agency.
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Due to its salt content, seawater places particular demands on the material used with respect to corrosion resistance. In this environment, copper and nickel alloys are particularly suitable. Accordingly, Viega uses the alloy CuNi10Fe1.6Mn for its Seapress seawater-resistant product.
The following must be considered when choosing a material (e.g. unalloyed steel, stainless steel, copper, CuNiFe or plastic):
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.