Kiwa Watermark Certification and Testing for Metal Piping

Kiwa Watermark certification under Kiwa evaluation guideline BRL K760 applies to products intended to be applied in drinking water installations for the transport and distribution of hot and cold water.

The evaluation guideline BRL K760 is a certification scheme for the Kiwa product certificate for copper tubes.

Download BRL-K760 Evaluation Guideline (Dutch)

Kiwa Watermark certification under Kiwa evaluation guideline BRL K761 applies to products 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 and liquid fuel distribution systems.

The evaluation guideline BRL K761 is a certification scheme for the Kiwa product certificate for copper tubes provided with an external covering.

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Kiwa Watermark certification under Kiwa evaluation guideline BRL K762 applies to seamless or welded steel pipes and corrosion resistant steel pipes 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.

The evaluation guideline BRL K762 is a certification scheme for the Kiwa product certificate for steel pipes for the transport of drinking water.

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Kiwa Watermark certification under Kiwa evaluation guideline BRL K767 applies to products intended for use as an external lining of metal pipes.

The assessment guideline BRL K767 is a certification scheme for the Kiwa product certificate for external cladding for metal pipes.

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Kiwa Watermark certification under Kiwa evaluation guideline BRL K771 applies to products intended to be used for general purposes 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 evaluation guideline BRL K771 is a certification scheme for the Kiwa product certificate for steel pipes for general applications.

Download BRL-K771 Evaluation Guideline

Kiwa Watermark certification under Kiwa evaluation guideline BRL K772 applies to products intended to be used as a piping system for the transport of drinking water, with a nominal diameter of DN 40 up to and including DN 2000, at a maximum water pressure of 1 MPa and a water temperature of 30°C.

The evaluation guideline BRL K772 is a certification scheme for the Kiwa product certificate for ductile cast iron pipes and fittings for the transport of drinking water.

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Kiwa Watermark certification under Kiwa evaluation guideline BRL K775 applies to products intended to be used as part of a piping system for drinking water transport with a nominal diameter of DN 40 up to and including DN 600, at a maximum water pressure of 1 MPa and a water temperature of 30°C.

The evaluation guideline BRL K775 is a certification scheme for the Kiwa product certificate for ductile iron fittings for piping systems of ductile iron, grey iron, steel, PVC-U, PE or fibre-cement for the transport of drinking water.

Download BRL-K775 Evaluation Guideline

This BRL has been withdrawn on 15 May 2018.

Kiwa Watermark certification under Kiwa evaluation guideline BRL K10018 applies to piping systems with thin Copper Tubes with an external solid fixed plastic covering 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, recommended operation temperature between 70 ºC and 95ºC);
• under floor heating systems;
• cooling systems.

The external covering is primarily intended for the chemical and mechanical protection of the pipe surface during transportation, installation and service. In addition, the covering can be used for providing a thermal insulation for the pipe. In the latter case the covering shall meet the additional materials requirements as specified.

Under the certification products we understand the copper tubes with an external fixed plastic covering with the fitting, the combination, copper tube and fittings are listed on the product certificate.

The evaluation guideline BRL K10018 is a certification scheme for the Kiwa product certificate for piping systems with thin copper tubes with an external solid fixed plastic covering.

Download BRL-K10018 Evaluation Guideline

Kiwa Watermark certification under Kiwa evaluation guideline BRL K14028 applies to products intended for use in connecting appliances to tap water installations with an operating pressure of no more than 1000 kPa and a water temperature of no more than 90°C. Flexible and extensible metal pipes can be integrated into a device.

The evaluation guideline BRL K14028 is a certification scheme for the Kiwa product certificate for flexible and possibly extensible metal pipes.

Download BRL-K14028 Evaluation Guideline (Dutch)

Kiwa Watermark certification under Kiwa evaluation guideline BRL K19005 applies to internally tinned copper tubes are intended to be used in the transport of hot (≤90°C) or cold water intended for human consumption. The tubes can be supplied in the annealed, half hard and hard material temper conditions.

The internal tinning of copper tubes is intended to reduce the migration of copper into the drinking water, for those applications where this could be a point of consideration. The tube connections can only be made with the help of tinned copper press fittings or tinned copper alloyed press fittings conforming to the requirements of evaluation guideline BRL-K774, or with tinned soft-solder fittings conforming to the requirements of evaluation guideline BRL-K6231. Tube connections made by drift expanding the tube shall not be allowed.

Due to an increased risk of corrosion caused by excessive heat input it is not allowed to hard solder these tubes. Also, it is not permitted to hot bend or use any other kind of process where the excessive input of heat is required. Depending on the tinning process an external tin layer may also be applied to the tube. However, this external tin layer is not a consideration for this evaluation guideline.

The evaluation guideline BRL K19005 is a certification scheme for the Kiwa product certificate for internally tinned copper tubes for drinking water installations.

Download BRL-K19005 Evaluation Guideline