EVS-EN 1124-1:2001

This European standard specifies requirements, tests and quality control for longitudinally welded, stainless steel pipes and fittings with spigot and socket for use in waste water systems usually operating under gravity or at a low head of pressure.
For the purposes of this standard, components are pipes, fittings, joints and seals.
This standard is for components used for the discharge of
- domestic waste water
- surface water and
- groundwater
This standard is also for components discharging other waste water (e.g. industrial waste water) as long as it does not damage the components or endanger the health and safety of personnel.