BS EN ISO 21225-2:2018 PDF

Plastics piping systems for the trenchless replacement of underground pipeline networks - Replacement off the line by horizontal directional drilling and impact moling

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BS EN ISO 21225-2:2018

Plastics piping systems for the trenchless replacement of underground pipeline networks - Replacement off the line by horizontal directional drilling and impact moling

Статус документа:: Отменён
Формат:: Электронный (PDF)
Дата публикации:: 30 июня 2018 г.
ICS:: 23.040.20
SKU:: BS EN ISO 21225-2:2018

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Abstract

1 Scope This document specifies requirements and test methods for pipes and fittings which are part of plastics piping systems for the trenchless replacement of various underground pipeline networks, underground non-pressure and pressure drainage and sewerage networks and underground water and gas supply networks, by means of horizontal directional drilling and impact moling . It is applicable to polyethylene (PE) pipes and fittings, as manufactured, as well as to the installed replacement system. This document is intended to be used in conjunction with standards applicable for the construction of PE pipeline systems where available. Regarding manufactured pipes it is applicable to three different PE pipe types:

— PE solid wall single layered pipes ( nominal outside diameter , d n ), including any identification stripes;

— PE pipes with co-extruded layers on either or both the outside and inside of the pipe (total outside diameter, d n ), as specified in Annex A, where all layers have the same MRS rating;

— PE pipes (outside diameter, d n ) having a peelable, contiguous, thermoplastics additional layer on the outside of the pipe (��...

BS EN ISO 21225-2:2018 PDF

Abstract

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Abstract

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