Mathey Dearman D249 4" - 20" Double Jackscrew Chain Clamp (1 each) 3350 competition

competition

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Mathey Dearman D249 4" - 20" Double Jackscrew Chain Clamp (1 each) 3350 competitionMathey Dearman D249 4" 20" Double Jackscrew Chain Clamp (1 each) This Mathey Dearman Double Jackscrew Chain Clamp reforms Schedule 40 pipe on either side of the joint to be welded. The jackscrews of the jackbar exert pressure on the high points of both sides of the weld joint to eliminate Hi Lo. Pipe wall thickness up to Schedule 80 can be aligned with the clamp. The level and support device of the chain clamp allows the pipe, elbow, tee, flange and