The standard specifies contents such as terms, main symbols, classification, requirement, test method, inspection rules, mark, transportation, storage, usage specification and merchandise certificate related to prestressed concrete cylinder pipe (including fittings and special pipe).
This standard is applicable to prestressed concrete cylinder pipe which nominal bore is 400 mm-4000 mm, pipeline operation pressure does not exceed 2.0 MPa, and covering depth is not greater than 10m. When pipelines, which parameters exceed specifications of this standard, need manufacturing, the manufacturing process could refer to this standard.
Pipes that are manufactured in accordance with this standard can be used in municipal water supply and drain main pipe, industrial waterline, irrigation, factory pipe network, power plant make-up pipe and cooling water circulation system, inverted siphon, pressure tunnel pipeline, deep soil covering culvert pipe and so on.
GB/T 19685-2005 The following standards are cited: