Hydraulic Pressure Expander Pipe In Situ Replacement System With Radial Expansion Force And Automatic Threaded Tie Rod Traction For Lightweight Quick-Install
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...situ Replacement System—Expansion Method I. Overview The expansion method for in-situ replacement utilizes specialized expander to generate controlled radial expansion forces within existing pipes. This uniformly enlarges or splits the old pipe diameter while simultaneously pulling new pipe into the expanded cavity. This single-pass process completes pipe rehabilitation by “expanding and replacing......
Langfang Baiwei Drill Co., Ltd.
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