The document specifies common requirements for the following components: concrete pressure pipes, joints and fittings including jacking pipes. These components are intended to be used in water systems which carry water for human consumption, industrial purposes, irrigation or waste water.#,,#
DIN EN 639:1994 history
1994DIN EN 639:1994-12 Common requirements for concrete pressure pipes, including joints and fittings; German version EN 639:1994
1994DIN EN 639:1994 Common requirements for concrete pressure pipes, including joints and fittings; German version EN 639:1994