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  • The valves are meant as a device to prevent backflow. Check valves with a nominal diameter smaller then or equal 50 mm are intended for application in drinking water installations with a maximum constant temperature of 65°C and a with a maximum of one hour with a water temperature of 90° C.
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  • Use the Kiwa Water Mark as a producer or supplier. If you want to market yourself with products that meet all requirements; both functional as well as all legal hygienic requirements specified in the “Materials and chemicals in the supply of drinking water and warm tap water Regulation” by the Dutch government.
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  • Kiwa product certificate for internally tinned copper tubes for drinking water installations.
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  • The Polyurethane coatings are intended to be applied as an external protection on under­ground ductile iron pipes. Coatings complying with this Guideline can be used for a continuous operating temperature of upto 40 °C in soils of any corrosivenes...
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  • ISO 50001 Energy Management system certification with Kiwa: conserve resources, save money and mitigate climate change.
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  • Based on the Evaluation Guideline for Temporary Drinking Water Installations (BRL-K14036) Kiwa issues certificates to installers who design, construct, operate and manage temporary drinking water installations. Subsequently certified installers ma...
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  • Kiwa makes quality visible As a supplier, buyer, inspector and consumer you need and want confidence. Confidence in the quality of materials and products used in (drinking) water installations and in its manufacturing. Kiwa will make the quality o...
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  • Confidence is what suppliers, buyers, inspectors and consumers need and want. Confidence in the quality of the materials utilized, the performance of the products and the quality control on a day-to-day basis of the manufacturer can all be highlig...
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  • The Automatic shut-off (mixing)valves are intended for application in drinking water installations with a static water pressure of maximum 1000 kPa and a maximum water temperature of 90°C. The recommended limits for correct operation are a dynamic...
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  • VCA, VCO and VCU health, safety and environment certification with Kiwa: create safe working conditions for contractors and reduce accidents.
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  • The products are intended to be applied in drinking water installations for the transport and distribution of hot and cold water.
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  • The products are intended to be applied as sanitary appliances giving a nominal flushing volume of 6, 7 or 9 litres. These appliances are intended for connection to drinking water installations with a maximum water temperature of 30° C and a maxim...
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  • Controllable backflow protection devices, family B, type A
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  • The quality of our drinking water is a matter that concerns us all. To prevent the pollution of drinking water it is essential for appliances (such as washing machines and dishwaters) to have internal backflow protection.  With the Kiwa Domes...
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  • The products are intended to be used as a piping system for the transport of drinking water and/or wastewater, with a nominal diameter of DN 40 up to and including DN 2000 and nominal pressures of PN 10, PN 16, PN 25 or PN 40.
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  • The products are intended to be applied in sanitary installations (in buildings) for the transport of warm and cold drinking-water; hot water heating systems (temperature not exceeding 100 ºC) including underfloor heating systems;domestic gas...
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  • The products are intended to be applied in The products are intended to be used as/in in hot water installations with a working pressure of maximum.1 MPa (10 bar) and a water temperature of maximum 90 °C. Remark: The technical specifications to be...
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  • The products are intended to install water meters according the evaluation guideline BRL-K618. The watermeter brackets are intended to used in drinking water installations with a maximum water pressure of 1000 kPa and a maximum temperature 30ºC. T...
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  • The products are intended to be used for general applications such as construction and equipment manufacturing, as well as for the transport of liquids and gases in pipe installations, equipment manufacturing, tank construction and petrochemicals.
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  • This certificate of constancy of performance includes both the underground fire hydrants as the pillar hydrants that are intended for firefighting purposes.
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