Over deze norm
Specifies the characteristics of valves intended for piping systems in the field of gaseous fuels supply. It also specifies the test parameters for the test methods referred to in this standard. In conjunction with one of the Parts 1 to 3 and parts 5 to 7 of EN 1555 it is applicable to PE pipes, fittings, valves, their joints and to joints with components of non-plastics materials intended to be used under the following conditions: a) a maximum operating pressure, PMS, up to and including 10 bar; b) an operating temperature of 20°C as a reference temperature. In addition, it specifies some general properties of the materials from which these valves are made. It is applicable to bi-directional valves with spigot ends or electrofusion sockets intended to be fused with PE pipes conforming to EN 1555-2 and with spigot fittings conforming to EN 1555-3. This part of this standard covers to valves with a nominal outside diameter (dn) up to and including 225 mm.
|Nederlandse titel||Kunststofleidingsystemen voor gasvoorziening - Polyetheen (PE) - Deel 4: Afsluiters|
|Engelse titel||Plastics piping systems for gaseous fuels supply - Polyethylene (PE) - Part 4: Valves|