Tubes International drinking water range

Drinking water, also called potable water is water intended for human consumption, water in its original state or after treatment; intended for drinking, cooking, food preparation or other domestic purposes; supplied through a water supply network, through water tankers, in containers and bottles, and all water used for food production, processing, preservation and making available to customers.

Water intended for human consumption is safe water. This means:

no microorganisms or parasites

no harmful chemicals in quantities posing a hazard to health

no aggressive corrosive properties

Regulations

Water and water supply systems are subject to special legislation – general, European (Directive 98/83/EC and (EU) 2020/2184) and specific national requirements.

National regulations for drinking water:

National Institute of Public Health/National Institute of Hygiene (PZH) – National Research Institute performs mandatory testing and issues certificates for products and materials intended to come into contact with drinking water. The State Sanitary Inspection supervises the use of materials and products for potable water.

In Germany, plastic materials and products in contact with drinking water must comply with the requirements known as KTW guidelines (Kunststoffe im Kontakt mit Trinkwasser) which define permissible materials and migration limits in particular. In addition, the materials should comply with the requirements of microbiological assessment (for the growth of microorganisms) according to DVGW W270 (DVGW Deutsche Verein des Gas- und Wasserfaches). KTW and DVGW certificates are issued by relevant certification bodies and recognized in many countries.

WRAS (Water Regulations Advisory Scheme) – UK organisation that develops guidelines and standards for water systems, products and materials. WRAS certificates confirm the compliance of materials and products with BS standards on water safety. They are recognised in many countries.

NSF/ANSI Standard 61 – NSF standard applies to drinking water systems and products and their impact on health. NSF-61 certificates confirm the compliance of materials and products with NSF standards and are recognised in many countries.

In Poland, the State Sanitary Inspection supervises the use of materials and products for potable water. Hygiene certificates for the products are issued by the National Institute of Public Health/National Institute of Hygiene – National Research Institute (NIZP PZH – PIB).

NIZP PZH – PIB certificates and approvals are issued for a strictly defined product at the request of a specific business entity. The positive opinion of the certification body is confirmation that the products it refers to are made of materials safe for human health and harmless to the environment (provided they are used for their intended purpose). The certification is mandatory for materials and products in contact with water intended for human consumption.

Our range includes products that have obtained a positive assessment from the National Institute of Public Health PZH – National Research Institute, as confirmed by the Hygiene Certificates. This means that our products conform to the hygiene requirements and can be used for installation in systems for conveying water intended for human consumption.

PZH-certified products offered by Tubes International

Rubber hose for hot and cold potable water

Layflat hose for large volumes of water at high pressure

Steel hose assemblies for potable water

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