Water

The products are intended to be applied in piping systems for hot and cold water distribution at a design pressure (= maximum operating pressure) of 8 or 10 bar (9 or 11 bar absolute or 8 or 10 bar overpressure), under the conditions mentioned in table 1.

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.

Gas measurement takes place in the entire gas supply chain from gas production to delivery to industry and large business consumers and gas for household use. All the market parties benefit significantly (in financial terms) from correct and accurate gas measurement. Kiwa Technology advises these market parties.

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.

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...

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...

If you have, or are developing, a new product in the area of heat energy distribution, such as delivery sets or heat pump systems, you obviously want to be sure that this product is as good as possible and that it complies with all the relevant standards.

The products according BRL K536 B are applicable for piping systems distribution systems for hot and cold drinking water at a design (working) overpressure of 8 or 10 bar according the temperature profile table 1.

The products according BRL K536 E are applicable for piping systems distribution systems for hot and cold drinking water at a design (working) overpressure of 8 or 10 bar according the temperature profile table 1.

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...

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...

Kiwa product certificate for internally tinned copper tubes for drinking water installations.

Innovative new products and services that can be used in the construction, maintenance, repair, replacement and management of gas distribution networks regularly appear on the market.

Valves and other accessories for drinking water transport and drinking water distribution systems (BRL-K602)

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...

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.

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...

Controllable backflow protection devices, family B, type A

The products are intended to be applied in drinking water installations for the transport and distribution of hot and cold water.