Inspection services

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...

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...

Rubber engineering products | Testing-inspections-service life

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

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...

This approval requirement describes the requirements with regard to flexible hose assemblies for use in installations for natural gas with a pressure of no more than 200 mbar in accordance with the NPR 3378-11 Code of Practice

These requirements are applicable to gas stoppers as independent component or as part for installation in another component, for the application in plastic piping systems for the distribution of natural gas according to the “regeling gaskwaliteit”...

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 R2B inspects gaseous fire extinguishing systems based on the CCV inspection schemes and compliance with standards; prevent fire damage to computer and other equipment! If you want to know more about inspection of an extinguishing gas system, click here.

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...

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.

Insulation union couplings in gas conduits AR 154

Socket and transition pieces made of PE for PVC/CPE and copper gas pipes AR 156

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 water supply capacity of water-based extinguishing systems shall be checked periodically to confirm whether the required capacity is still available. Kiwa R2B has a custom build test/measuring trailer equipped with a calibrated capacity meter and auxiliary hoses and fittings.

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...

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...

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.

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 Domestic Wa...