Butt & wrap Joint (Lamination)
Автор: Zakariya
Загружено: 2025-07-18
Просмотров: 60
Описание:
Ensure all necessary tools are available and in good working condition. •Avoid direct sunlight & dust during the entire lamination process. Mark the identified locations using wrap around and cut the pipe maintaining the squareness using angle grinder with cutting disc.•Pipe end shall be machined to conical spigot using calibration machine as per the approved vendor procedures.•Mark lamination length (Ls) and grinding length (Lg) on both spigot ends of pipes.•Grinding depth of 0.5mm shall be ground around the OD of the pipe at Lg area.•Ensure laminating surfaces are dry & free from any contamination (oil,grease,etc.)
Pipe ends shall be wedged carefully and secured in order to avoid misalignment and movement during the jointing process. •The maximum gap allowed between pipes after wedging shall not be more than 3mm. It is recommended to have the gap as minimum as practically possible.•Apply adhesive glue on wedged ends and ensure the adhesive glue penetrates into the gap.•Grind and remove the excessive adhesive after hardening
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