ANQING GREAT WALL PIPELINE CO.,LTD/ANQING HOT TAPPING PIPELINE CO LTD
Line Stop3-Cylinder Plugging
Advantages :The Sealing performance won’t be affected by spiral welding seam, roundness of pipeline, easy installation and operation
Disadvantages:There is serious destructive effect to pipeline with cutting of whole section of pipeline with 4-way tee; The hot tap point became dangerous point of pipeline
