المعايير

Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirement for prestressing steel for pipes

2004

رقم المستند: NL EN 642 : 2004
القطاع: Construction Materials and Building
TC: NL TC IRI
ICS: 91.140.60
This standard covers the requirements and the manufacture of prestressed concrete cylinder pressure pipes and fittings in sizes from DN/ID 500 to DN/ID 4000 inclusive. Larger sizes could be manufactured based on the concepts of thisstandard. These types of pipes are designed for the internal pressure, external loads and bedding conditions designated by the purchaser.