The utilities sector faces large-scale transitions to sustainable ways of supplying water and energy to ever more customers. Market liberalisation, privatisation, renewable energy, smart grids, efficiency and economies of scale are just some of the topics and challenges. Kiwa provides a wide range of services for manufacturers and service providers in the utilities sector - in particular, the gas and drinking water sectors. We are experts in the natural gas sector, ranging from gas measurements, biogas and hydrogen appliances to grid development. We support you in making the change from fossil to solar and wind energy, and in implementing and maintaining technologically advanced materials, appliances and systems for energy and water transportation and use. At the same time, we help you meet regulations and legislation concerning quality, health, safety and the environment.
Services
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VCA, VCO and VCU health, safety and environment certification with Kiwa: create safe working conditions for contractors and reduce accidents.Show
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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.Show
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Kiwa has introduced a new quality mark for products in contact with drinking water: the Kiwa Water Mark. Certificate holders are allowed to use the Kiwa Water Mark for and on their products that comply with the requirements in the related Kiwa Evalua...Show
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The products are intended to be applied in units are intended for drinking water installations with a maximum working pressure of 1000 kPa and a maximum water temperature of 50°C.Show
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This evaluation guideline specifies the requirements for water reducing valves and combination water pressure reducing valves of nominal size DN 8 to DN 100 for inlet pressures that not exceed 1.600 kPa and a temperature that does not exceed 30°C for...Show
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The recommended limits for correct operation are a dynamic pressure between 100 kPa and 500 kPa and a watertemperature of maximum 65°C. The flexible connecting hoses are intended for application in drinking water installations with a static waterpres...Show
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The float operated valves are intended to be applied in flushing cisterns which are connected to WC-pans. They have the purpose to open when the cistern is being flushed and shut off the water supply when the required water level is reached.The float...Show
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Kiwa makes your quality visibleConfidence is what suppliers, buyers, inspectors and consumers need and want. Confidence in the quality of products can be demonstrated by means of the Kiwa Product Certificate.Show
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The products are intended to be applied as a flushing device for WC-pans. The flushing cisterns in combination with a matching WC-pan is designed to be used as a sanitary flushing installation with a nominal flush volume as specified in table 1 of th...Show
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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 maximum ...Show
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Use the Kiwa Water Mark if you want to profile yourself on the market 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” of the Dutch government.Show
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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 pr...Show
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The products are intended for use, above and below ground, in drinking water transport and drinking water distributions system supply lines intended for human consumption. This evaluation guideline specifies the minimum requirements for design, funct...Show
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The plumbing fittings are being used to make capillary soldering and/or thread connections, in tap water installations, household gas installations and in heating installations. The plumbing fittings are intended for use in combination with copper pi...Show
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The brand KIWA-UNI certifies the conformity of products to national and international standards with the specific recognition by UNI with reference to the UNI and UNI EN standard and local Italian toxicological authorization (DM 174) if required.Show
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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 may, ...Show
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If you want to carry out inspections or repairs of production lines or if you want to build or rebuild facilities or if you want to lease personnel for these activities you need to demonstrate a high safety standard as clients want to reduce the safe...Show
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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 corrosiveness. ...Show
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Kiwa tests and certifies products used in industrial and domestic (drinking) water installations. Products that conform with the requirements are marked with the Kiwa mark. The Kiwa mark indicates that: The products meet the requirements in relati...Show
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This evaluation guideline specifies the requirements for the prevention of contamination by standard manufactured appliances intended for direct connecting to water installations. These appliances shall be protected with a backflow prevention unit, a...Show