Underground pipeline at a TAG pressure station; natural gas line out of service, no pressure, no flow during intervention. Page 6 carries the welding log and TUV macro-section certificates.
Attività svolte
Hot-tap with LOR Plus on 36" DN pipeline, L450ME, wall thickness 17.5-20 mm
LOR Plus nipple 8" class 600 fitting installation
Gasbag insertion
Hot-tap machine TM-660 / TM-760 with 8"-600 sandwich valve, compressed air driven
Third party welding and macro-section examination (EN ISO 17639)
