Plastics piping systems for non-pressure underground drains and sewers. Polyethylene (PE) - Specifications for pipes, fittings and the system
Plastics piping systems for non-pressure underground drains and sewers. Polyethylene (PE) - Specifications for pipes, fittings and the system
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1 Scope This document specifies definitions and requirements for solid-wall pipes with or without internal skin and smooth internal and external surfaces extruded from the same compound throughout the wall, fittings and the system of polyethylene (PE) piping systems to be intended for use in non-pressure underground drains and sewers for wastewater. NOTE 1 Products complying with this document can also be used in non-pressure underground drains and sewers for surface water. This document is applicable to:
non-pressure drains and sewers, which are intended to be used buried underground outside the building structure, reflected in the marking of products by “U”; non-pressure drains and sewers, which are intended to be used buried underground both outside (application area code “U”) and within the building structure, reflected in the marking of products by “UD”.
This document specifies test methods referred to in this document and test parameters. This document is applicable to pipes and fittings with or without an integral socket. This document covers a range of pipe and fitting sizes, stiffness classes, tolerance classes and gives recommendations concerning colours.
Другие стандарты BS