Codes of practice for drinking water installations (TRWI); survey of standards and other codes of practice about materials, components and apparatus; DVGW code of practice— 15 стр.
Water conditioning equipment inside buildings - Mechanical filters - Part 1: Particle rating 80 µm to 150 µm - Requirements for performances and safety, testing; German version EN 13443-1:2002— 19 стр.
Water conditioning equipment inside buildings - Mechanical filters - Part 1: Particle rating 80 µm to 150 µm - Requirements for performances and safety, testing; German version EN 13443-1:2002— 19 стр.
Corrosion of metals - Methods for evaluation of efficiency of water treatment apparatus for corrosion protection - Part 4: Laboratory corrosion test for removal of corrosion products in incrusted water installations— 3 стр.
Corrosion of metals; corrosion of metallic materials under corrosion load by water inside of tubes, tanks and apparatus; evaluation of the corrosion likelihood of hot dip iron materials— 7 стр.