Česko – Potrubní svorky – Composite repair sleeves

The subject of the procurement procedure is 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