Building materials

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.

Welding is a special manufacturing process which is used in sectors to reveal structures which cannot be manufactured as one piece. The EN ISO 3834 series standards are also standards that define all Quality requirements for the operation of this particular process.

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...

Rubber engineering products | Testing-inspections-service life

Kiwa Training organises the two-day course ‘Internal Audit in accordance with ISO 9001’. After taking this course, you will be able to prepare, perform, report and follow up on audits yourself.

Controllable backflow protection devices, family B, type A

This apparatus is suitable for checking if test specimens have been perforated due to the performance of the test on resistance to impact (EN 12691:2006), the test on resistance to static loading (EN 12730:2015) or the test on the resistance to ha...

VCA, VCO and VCU health, safety and environment certification with Kiwa: create safe working conditions for contractors and reduce accidents.

Products used for gas distribution and installation materials have to meet high standards.

The products according BRL 5604 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. Tabel 1 – Temperature profile during 50 years ...

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.

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.

ISO 14001 Environmental Management Certification with Kiwa: reduce waste, gain customer trust and be competitive.

Compression fittings clamping device

The products according to BRL 5601 are intended to be applied in piping systems for hot water distribution for floor heating at a design pressure (= maximum operating pressure) of 6 bar (7 bar absolute or 6 bar overpressure), or 4 bar (5 bar absolute or 4 bar overpressure) under the conditions mentioned in table 1.

Rubber products and materials | Physical-mechanical-chemical testing

The evaluation guideline BRL 2020-2 includes all relevant requirements on the basis of which Kiwa will handle applications for certification and the issuing of KOMO product certificates for products of thermoplastic elastomers intended as pipe joint seals for non-pressure waste water applications.

The products are intended to be used for the transport of drinking water and a working pressure of 1MPa (1,000 kPa), with a water temperature up to 65˚C and a maximum water temperature up to 90˚C for a period of maximum 1 hour.

Rubber stress relaxation test | ISO 3384 | ISO 6914

With a CSC concrete audit and certification by Kiwa, you will be working on sustainability and a better market position at the same time. Kiwa has the required expertise to support customers in achieving and retaining certification.