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Arpol

Case study

Misalignment in pipelines exposed to corrosive environments

Pipe Type (material + DN/OD)
Ductile iron — DN600
Pain/Context
Misalignment and end separation caused by ground movement
Sector
Water supply / Urban networks
Country
Spain
Keywords
connect, PRFV, PEAD, stainless steel, corrosive environment, desalination

In urban networks, ground movement can cause angular deviations and separation between pipe ends, particularly in large-diameter ductile iron pipelines. In Freginals, this situation affected a DN600 line connected to a steel wall penetration, where a NEO+ 625–650 coupling restored the connection with proper tightness and the ability to absorb future movements.

Long pipeline sections with limited interior access

Drinking Water / Water TreatmentStainless steel — DN50–700France