6 of 32
Chart 2 – Dearman Double Jackscrew Chain Clamp
Model
Net Weight Operating Range
Alignment
Pipe Schedule
Reforming
Pipe Schedule
Lbs/Kg.
Inches/mm
D250
27/12
1-8/25-203
80
40
D250-SS
27/12
1-8/25-203
80
40
D249
70/32
4-16/102-406
80
40
D249SS
70/32
4-16/102-406
80
40
D249-LT
29/13
4-20/102-508
40
20
D249-LTSS
29/13
4-20/102-508
40
20
D249-SC
31/14
4-20/102-508
40
20
D249-SCSS
31/14
4-20/102-508
40
20
D235
150/68
10-36/254-914
80
40
D235SS
150/68
10-36/254/914
80
40
D235-LT
68/31
6-36/152-914
40
20
D235-LTSS
68/31
6-36/152-914
40
20
D235-SC
75/34
6-36/152-914
40
20
D235-SCSS
75/34
6-36/152-914
40
20
D236
184/83
10-54/254-1372
80
40
D236SS
184/83
10-54/254-1372
80
40
Chart 3 –Dearman Universal Chain Clamp
Model
Net Weight Operating Range
Alignment
Reforming
Lbs/Kg.
Inches/mm
Pipe Schedule Pipe Schedule
D2250
27/12
1-8/25-203
40
20
D2250SS
27/12
1-8/25-203
40
20
D2249
70/32
4-16/102-406
40
20
D2249SS
70/32
4-16/102-406
40
20
D2235
145/65
10-36/254-914
40
20
D2235-SS
145/65
10-36/254-914
40
20
WARNING:
The Mathey Dearman Chain Clamp is designed for the reforming and
accurate alignment of pipe, pipe fittings, flanges and weld-on valves for welding. It is
not intended to support or lift the entire length of the pipe. Always exercise extreme
caution when using this product.
WARNING:
Reforming and Alignment capacity will vary depending on pipe
diameter, wall thickness, and tensile strength.
WARNING:
The Mathey Dearman Chain Clamp is designed as a tool for the reforming and
accurate alignment of pipe, pipe fittings, flanges and weld-on valves for welding. It is not
intended to support or lift the entire length of the pipe. Always exercise extreme caution
when using this product.
WARNING:
Reforming and Alignment capacity will vary depending on pipe diameter, wall
thickness and tensile strength.
