Valves and fittings for untreated and potable water - Protection against corrosion by internal epoxy coating of coating powders (P) or liquid varnishes (F) - Requirements and tests— 4 стр.
Corrosion protection of steel structures by the application of organic or metallic coatings; composition of binders and pigments for coating materials— 6 стр.
Stop valves for domestic water supply - Part 1: General requirements and tests for manually operated piston type gate valves of special design, gate valves and diaphragm valves, Technical rule of the DVGW— 14 стр.