Environmental safety regulations

Environmental protection category

Water treatment related specifications



NSF: National Sanitation Foundation (NSF)

The certified products are food, water and consumer products. NSF, as a third party, approves and certifies 13 countries or industry authorities such as the United States and Canada. NSF is the World Health Organization (WHO) in food safety and drinking water safety With the designated cooperation center for processing, the NSF mark is recognized globally.

NSF/ANSI 61: Drinking Water System Components-Healthy Quality

KTW & W270

KTW represents the drinking water system selection and health assessment authority of the German Federal Ministry of Health. All drinking water systems and auxiliary materials exported to Europe must have KTW certification, and they have also been recognized by the WHO for drinking water safety certification.

A new requirement is that the supplier complies with the DVGW (German Gas and Water Industry Association) Regulation No. W270 1 "The growth of microorganisms on non-metallic materials", this standard mainly protects drinking water from biological impurities Pollution.


WRAS (Water Regulations Advisory Scheme), the British Water Regulations Advisory Scheme, certified that the products comply with the Water Supply System (Water Supply Pipe Fittings) Regulations 1999 in England and Wales from the two parts of materials and accessories, the Scottish Water Regulations 2004, and the Northern Ireland Water Regulations 1991. WRAS certification is a necessary proof in the UK market. The test scope includes all materials that are in contact with water, such as plumbing pipes, faucets, valve parts, rubber products, plastics, etc.


ACS (Accrediation de Conformite Sanitaire) is required by the French Ministry of Health to conduct sanitary audits and tests on plumbing and sanitary products entering France to prove that the products will not change the sensory, chemical composition and microbiological characteristics of water. Only ACS health certificates can be sold in France. The products involved in the storage and transportation of water pipe fittings and materials, pipe coatings or containers, pipe joints, water transmission network accessories (water pumps, water valves, flow meters, meters), and water Touched systems or appliances (such as pots, showers, faucets, shower rooms, etc.)

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