Changes in Evaluation Guidelines or BRLs 2026

BRL-K519/06 published for criticism

A revised version of BRL-K519 “Kiwa product certificate for PVC-P geomembranes with or without reinforcement” has been prepared and is now available for public criticism.

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BRL-K14027 version 2026 declared binding

A revised version of BR-K14027 for the Kiwa product certificate for "Ductile iron pipes and fittings for wastewater" has been declared binding as of 6 July 2026.

BRL-K777 version 2026 declared binding

A revised version of BRL-K777 for the Kiwa product certificate for " Repair clamps and couplings in contact with drinking water" has been declared binding as of 16 June 2026.

BRL 2022 version 2026 declared binding

A revised version of BRL 2022 for the Kiwa product certificate for " Mechanical saddles made of PVC U, PP and PE for external non-pressure sewerage – Specific requirements" has been declared binding as of 21 May 2026.

BRL‑K775 published for comments

As of 17 April 2026, the newly developed BRL-K775 has been published for public comment. BRL-K775 specifies the requirements for a product certificate for ductile iron couplings and flange adaptors with wide tolerance for use with pipes of various materials: ductile iron, grey cast iron, steel, PVC U, PVC O, PE and fibre cement, intended for contact with drinking water.

BRL K536-L declared binding

Kiwa has declared the assessment guideline BRL K536-L binding as of 27 February 2026. This guideline defines the requirements for multilayer plastic piping systems with a metal inner layer for the transport of hot and cold drinking water within buildings.

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BRL 5613 declared binding

Kiwa has declared the assessment guideline BRL 5613 binding as of16 March 2026. This guideline describes the requirements that plastic piping systems with a metal inner layer must meet for radiator connections in heating installations within buildings, in the context of certification with the KOMO quality mark.

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Draft BRL-K778 published for comments

A revision of BRL-K778 cement mortar lining of drinking water pipes and fittings) has been prepared and is published for public consultation.

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New BRL K17504/04 binding as of 14 January 2026

As of 14 January 2026, the revised evaluation guideline BRL K17504/04 for vulcanised rubber products for cold and hot drinking water has been officially declared binding.

BRL-K21013/02 published for comments

Please email your comments on draft BRL-K21013/02 dated 09-01-2026 "Container tanks" to us. You can find the changed on this page.