Sealants for gas supply; sealing materials of rubber, cork and synthetic fibres for gas armatures and gas appliances; safety requirements, tests— 6 стр.
Gaskets for gas supply - Part 6: Gasket materials based on synthetic fibres, graphite or polytetrafluoroethylen (PTFE) for gas valves, gas appliances and gas mains— 6 стр.
Gaskets for gas supply - Part 6: Gasket materials based on synthetic fibres, graphite or polytetrafluoroethylen (PTFE) for gas valves, gas appliances and gas mains— 6 стр.