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These packers are distinguished for the most economical construction. On each side of a rubber sleeve rubber flanges are mounted equipped with quick action couplings for inflating and deflating, as well as two eyelet bolts on each side for fixing a rope for insertion, transporting and pulling out. These packers are not equipped with wheels or by-pass.
Available are packers for use in pipes with diameter 200 to 800 mm. The effective packer length is between 1000 mm and 4500 mm. |