Live Mains Insertion Large Diameter Pipe

Live Mains Insertion is similar to normal insertion of new polyethylene (PE) pipe into an old low pressure cast iron main with one major benefit. By using a special gland box, the old main is kept live throughout the insertion process and the new PE is gassed up to maintain gas supplies to customers. Once insertion is complete, the main is still kept live to supply customers via the annular space until it is operationally convenient to transfer the services to the new PE main.

Видео Live Mains Insertion Large Diameter Pipe канала Steve Vick International Ltd