This part of EN 1451 specifies the requirements for solid-wall polypropylene (PP) pipes, fittings and the system intended for:
- soil and waste discharge applications (low and high temperature) inside buildings (application area code " B" )
- soil and waste discharge applications (low and high temperature) for both inside buildings and buried in the ground within the building structure (application area code " BD" ).
This part of EN 1451 is also applicable to PP pipes and fittings and the system intended for the following purposes:
- ventilating part of the pipework in association with discharge applications
- rainwater pipework within the building structure.
It also specifies the test parameters for the test methods referred to in this standard.
This standard covers a range of nominal sizes, a range of pipes and fittings series and gives recommendations concerning colours.
It applies to pipes and fittings, marked with " B" , which are intended to be used inside buildings and outside buildings fixed onto the wall.
This standard is applicable to PP pipes and fittings of the following types:
- plain-ended
- with integral elastomeric ring seal socket
- for butt fusion joints.
whereby the fittings can be manufactured by injection-moulding or be fabricated from pipes and/ or mouldings.