Rörledningar och dess delar för fjärrvärme

Kommittébeteckning: SIS/TK 637/AG 01 (Förtillverkade rörsystem)
Källa: CEN
Svarsdatum: den 12 dec 2025
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This document specifies the methods of examining the knowledge and skill set of the fitter required to carry out on-site joint casing connections on thermally insulated single and twin pipe systems for directly buried hot and cold water networks according to .The application of these specified methods specifications ensures that the examination is carried out according to a standardised examining procedure.This document covers the following processes: - preparatory works for joint casing assembly; - assembling and testing the elements for surveillance systems; For special surveillance systems it can be important to have additional training.preparing work for joint casing system installation; - assembling sealable joint casing system; - verifying joint tightness (leakage testing); - thermally insulating the joint casing ( PUR foaming or half-shells); - sealing fill & vent openings (weldable or sealable plugs); - assessing overall installation quality of the completed joint connection (non-destructive).

Kommittébeteckning: SIS/TK 637/AG 01 (Förtillverkade rörsystem)
Källa: CEN
Svarsdatum: den 12 dec 2025
Se merSe mindre
 

This document specifies the methods of examining the knowledge and skill set of the PE-welder required to carry out on-site joint casing connections on thermally insulated single and twin pipe systems for directly buried hot and cold water networks according to and .The application of these specified methods specifications ensures that the examination is carried out according to a standardised examining procedure. This document applies to the following processes: - preparatory works for joint casing assembly; - assembling and testing the elements for surveillance systems; For special surveillance systems it can be important to have additional training.preparatory works for joint casing system installation; - assembling weldable joint casing system;executing hot gas welding and hot gas extrusion weldingverifying joint tightness (leakage testing); - thermally insulating the joint casing (PUR foaming or half-shell); - sealing fill & vent openings (weldable plugs); - assessing overall installation quality of the completed joint connection (non-destructive).

Kommittébeteckning: SIS/TK 637/AG 01 (Förtillverkade rörsystem)
Källa: CEN
Svarsdatum: den 10 jan 2026
Se merSe mindre
 

This document specifies requirements and test methods for joint casing systems for factory made flexible pipe systems with a plastic service pipe in accordance with standard series EN 15632 1 to -3, EN 17878 1 to -3 or EN 17414 1 to -3, as applicable. Requirements of joint casing systems for EN 15632-4 are not covered by this document, but by EN 489 1.