Inspection services

Sealing material for metallic threaded joints. Part 1: anaerobic jointing compounds AR 31-1

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”...

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

Insulation union couplings in gas conduits AR 154

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

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.

Plumbing fittings with ends for capillary soldering, capillary brazing and/ or threaded connections AR 6

Rubber engineering products | Testing-inspections-service life

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.

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.

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 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...

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

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...

Deze BRL is per 1 maart 2019 ingetrokken en ondergebracht in BRL-K767.

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...

Maximum flow rate safety valves AR 191

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...