WC-pans (BRL-K619)
The products are intended to be applied as sanitary appliances in combination with flushing cisterns (conform BRL-K 620), or pressure flush-valves at different nominal flush volumes. These appliances are intended for connection to drinking water installations with a maximum water temperature of 30ºC and a maximum working pressure of 1000 kPa.
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This BRL is important for, among others, coating manufacturers, applicators, drinking water companies.
Types of WC-pans
WC-pans are distinguished by:
Use of water:
- WC-pans needing an effective flushing volume of 4 Litres.
- WC-pans needing an effective flushing volume of 5 Litres.
- WC-pans needing an effective flushing volume of 6 Litres.
- WC-pans needing an effective flushing volume of 7 Litres.
- WC-pans needing an effective flushing volume of 9 Litres.
The way of mounting:
- pedestal (floor mounted) WC-pans for use with an independent flushing device.
- wall-hung (wall mounted) WC-pans for use with an independent flushing device.
Internal shape:
- wash-out WC-pans;
- wash-down WC-pans.
Classification
In general 2 classes are defined, these are:
- Class 1:These are WC-pans for use in combination with a flushing appliance and especially designated for use in the European continent;
- Class 2:These are WC-pans for use in combination with a flushing appliance and in line with the legislation, market requirements and applicable in the United Kingdom.
The classes are then categorized on the basis of type and flush volume to be used.
The Dutch law has no binding law describing the class and types of WC-pans, however there are regulations stipulated by law for drainage systems inside buildings. In the Dutch Building Regulations reference is given to the NEN 3215+C1: 2014 “Drainage systems inside buildings – Requirements and determination methods” in which clause 4.1.7 is specified that:
For a good function of the drainage systems inside buildings the use of a flush volume of at least 6 litres is required.
At the moment of publication of the EN 997 is the use of flush volume less than 6 litres not advised, unless it is proven that no problems occur to the drainage system when using of a less flush volume.
The Dutch sewage system is not designed for the application and use of ceramic sanitary appliances using a flush volume less that 6 liters. Without adapted measures the use of less flush volumes can cause problems to the sewage waste systems.
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