Czechia – Pipe clamps – Composite repair sleeves

The subject of the procurement procedure is the supply of sets of composite factory-laminated sleeves in various DN sizes in accordance with CEN ISO 24817:2017, intended for the repair of defects in high-pressure steel gas pipelines rated PN 40–PN 100, operated at temperatures from -20 to +60 °C. The sleeves must be suitable for permanent repair of:

- manufacturing defects in pipes such as laps, inclusions, and their ground-out areas,

- external corrosion defects,

- mechanical damage,

- defects in circumferential field welds and factory welds (spiral and longitudinal),

- crack-type defects and SCC (stress corrosion cracking) of all orientations.