Legionella prevention water installation

Thermostatic regulating valves (BRL-K14003)

The thermostatic regulating valves are intended to be used in circulation systems in tap water installations, with a maximum operating pressure of 1000 kPa and a maximum water temperature of 90°C.
After commissioning, a pre-set minimum temperature upstream of the regulating valve is maintained, while maintaining the hydraulic balance.

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For who?

This guideline is of importance for among others manufacturers, wholesalers in installation-articles.

The Kiwa Water Mark

Certificate holders are allowed to use the Kiwa Water Mark for and on their products that comply with the requirements in the related Kiwa Evaluation Guidelines.

These Evaluation Guidelines include all requirements the market and the government establish for products that come in contact with drinking water: private, functional requirements as well as public, hygienic requirements. The Kiwa Water Mark is therefore the efficient tool for sale and use of these products for the Dutch market: producers and suppliers only have to deal with one set of requirements and product users do not have to look any further.

 

The process steps

Steps to obtain a certificate with the Kiwa Water Mark are:

    Fill in an application form and send it to Kiwa (application form is located on the bottom of the page)
    Kiwa sends a quotation according to the requirements in the guideline, which is at the same time a concept-agreement
    After mutual signing of the quotation, the agreement is definitive
    The initial audit can start
    After positive results of the initial audit, the certificate will be issued
    The certificate is valid indefinitely
    A part of the agreement is periodic audits

Important aspects of the initial audit (step 4) include:
a.Testing with regard to the product and/or performance requirements. 

Testing, often carried out in our own laboratories, demonstrates that the product meets the certification requirements for functional and hygienic aspects, such as durability, dimensions, composition of materials, etc.;
b. Assessment of the production process, quality system and internal quality control (IQC) scheme. 

To ascertain that the producer is continually able to manufacture products that meet the certification requirements.

The periodic audits (step 7) are intended for the maintenance of the certificate and certification scheme. They aim at the maintenance of the management system and production proces, in order to maintain confidence that the producer is still able to manufacture products that meet the certification requirements. The periodic audits include functional and hygienic tests of the certified products. The audit frequency varies from product group to product group: in general, 2 to 4 times per year.

Conditions for the certification process are stated in the Kiwa Regulations for  Certification and the General Terms and Conditions of Kiwa for the performance of orders.

Additional information