7 of 32
Chart 4 – Dearman Light Single Jackscrew Chain Clamps
Model
Net Weight Operating Range
Alignment
Reforming
Lbs./Kg.
Inches/mm
Pipe Schedule Pipe Schedule
D231-LT
13 / 6
1 – 12 / 25 - 305
40
20
D231-LTSS
13 / 6
1 – 12 / 25 - 305
40
20
D232-LT
31 / 14
4 – 20 / 102 - 506
40
20
D232-LTSS
31 / 14
4 – 20 / 102 - 506
40
20
D233-LT
84 / 38
6 – 36 / 152 - 914
40
20
D233-LTSS
84 / 38
6 – 36 / 152 - 914
40
20
Chart 5 – Dearman Light Double Jackscrew Chain Clamps
Model
Net Weight Operating Range
Alignment
Reforming
Lbs./Kg.
Inches/mm
Pipe Schedule Pipe Schedule
D249-LT
36 / 14
4 – 20 / 102 - 506
40
20
D249-LTSS
36 / 14
4 – 20 / 102 - 506
40
20
D235-LT
90 / 41
6 – 36 / 152 - 914
40
20
D235-LTSS
90 / 41
6 – 36 / 152 - 914
40
20
Chart 6 – Dearman Sturdi-Clamp Chain Clamps
Model
Net Weight Operating Range
Alignment
Reforming
Lbs./Kg.
Inches/mm
Pipe Schedule Pipe Schedule
D231-SC
10 / 4.5
1 – 12 / 25 - 305
40
20
D231-SCSS
10 / 4.5
1 – 12 / 25 - 305
40
20
D249-SC
31 / 14
4 – 20 / 102 - 506
40
20
D249-SCSS
31 / 14
4 – 20 / 102 - 506
40
20
D235-SC
75 / 34
6 – 36 / 152 - 914
40
20
D235-SCSS
75 / 34
6 – 36 / 152 - 914
40
20
WARNING:
Under no circumstances should additional chain (Chart 4, 5, or 6) be added to the
Dearman Light Series or Sturdi-Clamp to increase its operating range without contacting
Mathey Dearman at 1-800-725-7311 or 1-918-447-1288.
