Hygenic Certificate Flexalen (PL)

The document is a hygienic certificate issued by the National Institute of Public Health NIH – National Research Institute for Flexalen pre-insulated pipes and fittings with polybutylene carrier pipes. It confirms that the products meet hygienic requirements when used in underground installations laid directly in soil or in heating ducts, water distribution networks, low-temperature networks, drinking water systems, and central heating installations. The certificate specifies that drinking water installations should be flushed with a full volume of water before use and clarifies that the certificate does not apply to technical parameters or utility performance of the products. Manufacturer details, validity conditions, and the issue date are also included.