Girder & Rail Clamps
These girder & rail clamps are truly versatile in application and may be used for lifting, pulling, or as an anchor point. Designed specifically to provide maximum jaw grip adjustment. These products are engineered for practical use where mobility is essential. The clamps are speedily applied and do not require additional tools or width adjusting components, such as spacing washers. The left and right hand threaded adjusting bar ensures a grip on the beam flange.

| MODEL | WLL at 0-15° Vertical | Jaw Grip Adj inch min-max |
Jaw Aperture inch |
Inside Shackle Crown to Spacer inch |
Average Wt Lbs |
|
| Lbs | kg | |||||
| S1 | 4480 | 2032 | 3″-7 1/2″ | 7/8″ | 3 3/4″ | 8.8 |
| S2 | 6720 | 3048 | 3″-7 1/2″ | 7/8″ | 3 3/4″ | 11.3 |
| S2A | 6720 | 3048 | 3″-7 1/2″ | 7/8” | 3 3/4 | 16.3 |
| S3 | 8960 | 4064 | 6″-10″ | 7/8″ | 3 9/10″ | 22.9 |
| S3X | 11200 | 5080 | 3”-7 1/2″ | 7/8″ | 4 1/8″ | 19.9 |
| S3A | 11200 | 5080 | 6″-12″ | 1 5/8 | 4 1/8″ | 36 |
| S4S | 13440 | 6096 | 8-18″ | 1 5/8″ | 4 1/8″ | 41.5 |
| S4A | 22400 | 10160 | 8-18″ | 1 5/8″ | 5 1/8″ | 60.2 |
| S12 | 33601 | 15241 | 8-18″ | 2″ | 5 7/8″ | 118.4 |
| S14 | 33601 | 15241 | 16″- 24″ | 2 1/2″ | 5 7/8″ | 139 |
‘SUPERCLAMP’ Girder Dogs rail clamps incorporate all the reputedly excellent and reliable design features for which our products are known. The Girder Dogs design is enhanced by a well balanced distribution of sideplates, ensuring maximum grip and hold over an adequate length of girder or beam flange. They are safe in use, and once in position, are speedily applied to a steel beam. No additional width adjusting tools or components are required.
| MODEL | WLL at 0-15° Vertical |
Jaw Grip Adj inch min-max |
Jaw Aperture inch |
Inside Shackle Crown to Spacer inch |
Inside Shackle Width Inch |
Average Wt Lbs |
|
| Lbs | kg | ||||||
| S15 | 44800 | 20320 | 8″-18″ | 2″ | 8″-1/4″ | 4 1/2″ | 139.1 |
| S16 | 44800 | 20320 | 16″-24″ | 2 1/2″ | 8″-1/4″ | 4 1/2″ | 175.2 |
| S17 | 56000 | 25400 | 8″-18″ | 2″ | 8″-1/8″ | 5″ | 156.6 |
| S18 | 56000 | 25400 | 16″-24″ | 2 1/2″ | 8″-1/8″ | 5″ | 199.0 |
| S19 | 67200 | 30480 | 16″-24″ | 2 1/2″ | 8″-1/8″ | 5″ | 207.6 |
| S20 | 67200 | 30480 | 16″-24″ | 3″ | 8″-1//8″ | 5″ | 238.8 |

Monorail construction clamps incorporating a height adjusting mechanism are speedily applied to existing steel girders, so as to expedite erection of a conveying system. They are provided with the facility to adjust the conveying girder in height where required. Their width and height adjusting capabilities make these versatile units an inexpensive, safe, and time saving proposition for the construction of a reliable permanent or temporary overhead conveying system.
| MODEL | WLL at 0-15° Vertical |
Jaw Grip Adj inch |
Jaw Aperture inch |
Max Ht. Adj |
Average Wt Lbs |
|||
| Lbs | kg | inch | mm | |||||
| S7 | 6720 | 3048 | 3″-7 1/2 | 7/8″ | – | 16.7 | ||
| S7A | 6720 | 3048 | 3″-7 1/2” | 7/8″ | 1 1/4″ | 32 | 17.2 | |
| S8 | 8960 | 4064 | 6″-10″ | 7/8″ | – | 41.0 | ||
| S8A | 11200 | 5080 | 6″-10” | 7/8″ | 1 1/4* | 32 | 41.0 | |

Developed for standard rail sections, the ‘SUPERCLAMP’ rail lifting clamp provides a reliable and secure grip on the rail when tightened. Its light weight, versatile adjustability and low maintenance requirements make this ‘SUPERCLAMP’ product a highly recommendable unit for all engaged in rail construction, rail maintenance and rail manufacture.
| MODEL | WLL at 0-15° Vertical | Jaw Grip Adjustment |
Inside Shackle Crown to Spacer |
Average Weight Lbs |
||
| Lbs | kg | |||||
| R1 | 6720 | 3048 | STD AREA Rail & Crane Rail |
3 3/4″ | 13.2 | |
| R2 | 11200 | 5080 | 4 1/8″ | 17.0 | ||



