BS EN 751-3:1997

Действует

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water. Unsintered PTFE tapes — 14 стр.

ICS

23.040.80 Seals for pipe and hose assemblies / Уплотнения для труб и рукавов в сборе

91.140.40 Gas. Including gas meters in buildings / Системы газоснабжения

91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях