Reaffirmed 2022

1. Scope

1.1 This standard specifies the requirements of Oriented Unplasticized Polyvinyl Chloride (PVC-O) Pipes, for piping systems intended to be used underground,or above ground but not exposed to direct sunlight, for water supply. This standard covers requirements for pipes of sizes 63 mm to 1 200 mm with maximum required strength (MRS) class 450 and 500 and design coefficient of 1.4 and 1.6.

1.2 The piping system according to this standard is intended for the conveyance of cold water under pressure and are suitable for conveyance of water, including potable 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, up to pressure of 2.5 MPa.

1.3 Joints constructed of other materials should meet requirements of relevantstandards in addition to the fitness-for-purpose requirements of this standard.

2. REFERENCES

The standards listed in Annex A contain provisions which, through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated in Annex A.