Double Jackscrew Chain Clamp
picture of double jackscrew chain clampOriginal Mathey Dearman Double Jackscrew Chain Clamp

The Double Jackscrew Chain Clamp reforms Schedule 40 pipe either side of the weld gap. The Jackscrews exert pressure on the high points to eliminate Hi-Lo.

Clamps are available for Carbon Steel, Stainless Steel and special alloys

The clamp is supplied with a level and support device, allowing pipe, elbows and tees to be supported safely during welding.







pipe end cap    pipe tee  pipe end flanges
Each clamp can fit-up elbows, tees, flanges, end-caps and most other pipe fittings..


Specifications

 Model

Jackbars 

Pipe Size Range Inches

Reforms Pipe Schedule

Aligns Pipe Schedule

Weight kgs

 D250

 3

1-8 

40 

80 

12 

 D250SS

 3

 1-8

 40

 80

 12

D249 

 7

 4-16

 40

 80

 33

 D249SS

 7

 4-16

 40

 80

 33

 D235

 9

 10-36

 40

 80

 67

 D235SS

 9

 10-36

 40

 80

 67

 D236

 13

 10-54

 40

 80

 72

 D236SS

 13

 10-54

 40

 80

 72


SS Denotes Clamp is suitable for Stainless Steel Pipes

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