Water heaters and water heating installations for drinking water and service water - Part 5: Corrosion protection on the water side by means of foil coating made from natural or synthetic rubber; requirements and testing— 4 стр.
Water heaters and water heating installations for drinking water and service water - Part 4: Corrosion protection on the water side by means of hot-setting, duroplastic coating materials; requirements and testing— 4 стр.
Water heaters and water heating installations for drinking water and service water; corrosion protection on the water side by means of thermoplastic coating materials; requirements and testing— 5 стр.
