BS ISO 4427-2:2019 Historical

This document specifies the pipes made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of:

— water for human consumption;
— raw water prior to treatment;
— drainage and sewerage under pressure;
— vacuum sewer systems;
— water for other purposes.

NOTE 1 The intended uses include sea outfalls, laid in water and pipes suspended below bridges.

Pipes complying with this document are not intended for the transport of water intended for human consumption in contaminated soils unless special consideration has been taken.

NOTE 2 For example, ISO 21004 provides an alternative solution for use in contaminated soils. See Reference [3] in the Bibliography.

This document specifies three types of pipe:

— PE pipes (outside diameter d_n), including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter d_n) where all layers have the same MRS rating;
— PE pipes (outside diameter d_n) having a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe").

This document also specifies the test parameters for the test methods referred to in this document.

Cross References:
ISO 11357-6
ISO 4427-1:2019
ISO 1167-1:2006
ISO 1167-2
ISO 6259-1
ISO 3126
ISO 4433-1
ISO 4427-5:2019
ISO 2505
ISO 1133-1
ISO 4433-2
ISO 6259-3
ISO/TR 10358
ISO 21004
ISO 17484-1
ISO 11922-1
ISO 4437-2
ISO 18225
ISO 4065
CEN/TS 12201-7


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