Standards Development

Scope

This part of FprEN 17176 specifies the characteristics of solid-wall pipes made of oriented unplasticized poly(vinyl chloride) (PVC-O) for piping systems intended for water supply and for buried drainage, sewerage, treated waste water and irrigation under pressure or above-ground where protected from direct sunlight. It also specifies the test parameters for the test methods referred to in this document.

In conjunction with FprEN 17176-1 and FprEN 17176-5, it is applicable to oriented PVC-O pipes with or without integral socket intended to be used for the following:

a) water mains and services lines;

b) conveyance of water for both outside and inside buildings;

c) drainage, sewerage and treated waste water under pressure;

d) irrigation under pressure.

It is applicable to piping systems intended for the supply of water with a maximum allowable operating pressure (PFA) up to and including 25 bar . The piping system according to this document is intended for the conveyance of cold water up to and including 45 °C and especially in those applications where special performance requirements are needed, such as impact loads and pressure fluctuations.

For temperatures between 25 °C and 45 °C, Figure C.1 of this document applies. This part of FprEN 17176 specifies a range of pipe sizes and pressure classes and gives a requirement and recommendations concerning colours.

NOTE It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

Purpose

The main amendments are listed below:

– Correct MRS classification

– Amend text nominal length (7.2) and tolerance Table 2

– Including clause test method in Annex E

– Mistakes corrected in table E and Annex E

The amendment of EN 17176-2 is proposed to add clause E.5 Test report in Annex E, to avoid miss interpretation and confusion in the market regarding reporting and use of the test results. Also mistakes regarding MRS classification at different places in the document and mistakes identified in Table 8 and Annex E are amended. Table 2 Tolerance on length is also amended to align with current practise.