• 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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  • When things go wrong, one needs a quick and reliable answer to a series of questions. For this experts are needed who have experience in a broad range of products and applications. Often a certain failure has occurred earlier in a total different application.
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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 waterp...
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  • The products according BRL 5605 are applicable for piping systems in underfloor heating systems at a design (working) overpressure of 6 bar according the temperature profile class 5 in table 1. Tabel 1 – Temperature profile during 50 years &nbs...
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  • The membrane filtration elements are intended for any handling of ground water, surface water, sea water or other raw water used in the production of drinking water, up to the point where the drinking water becomes available for consumption.
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  • Pressure equipment with a pressure higher than 0,5 bar excluding: distribution networks, aerosols, machines covered by the Machine Directive, equipment for nuclear use, wellhead for controlling equipment, blast furnace(s), bottles or cans for carb...
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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 fl...
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  • Plastic piping systems of PE-RT/Al for hot and cold drinking water
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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 sanitary tapware " single taps and mixer taps " 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...
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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.
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  • Kiwa operates an internationally recognized certification scheme for Solar PV modules (crystalline and thin film). This is the Kiwa Quality Approval. We use our accredited laboratory facilities to test PV modules according to IEC 61730 for safety, IEC 61215 and IEC 6146.
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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...
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  • Kiwa makes your quality visibleConfidence 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 ...
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  • For the drinking water sector in the Netherlands, we offer Kiwa quality Water Mark for an extensive range of products. The Kiwa Water Mark is commonly recognized in the drinking water sector in the Netherlands. Certificate holders are allowed to u...
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  • The costs for the repair or exchange of a critical rubber part can be much higher than the initial costs of the rubber part itself. In that case it very profitable to know the expected service life of the specific rubber product beforehand. That's where you can trust on the service of Kiwa.
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  • The use of reinforced plastic products has been growing steadily, especially in automotive and aerospace applications as well as in piping systems. This is largely due to the materials’ recyclability and ability to be processed rapidly and it's strength. Kiwa Expert Centre Polymers serves many industries in this field.
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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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  • The products according BRL 5602 are applicable for piping systems in underfloor heating systems at a design (working) overpressure of 4 or 6 bar according the temperature profile class 4 in table 1. For the application in floorheating circulation ...
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  • The fittings with compression ends are being used to connect copper pipes, according to the Kiwa evaluation guideline BRL-K760, in tap water and gas installations and in heating installations. The tightening is achieved by a compression or cutting...
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