A 90° corner joint most frequently used for the top rail of safety railing. It can also be considered for the corner joint of benches, work tables, and other rectangular structures.
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| Fitting Type | Bore Size (Inside of Pipe) |
Pipe A (Schedule 40) |
D |
| 20-4 | 1/2" | 4 | 1.34” |
| 20-5 | 3/4" | 5 | 1.61” |
| 20-6 | 1” | 6 | 1.81” |
| 20-7 | 1-1/4” | 7 | 2.36” |
| 20-8 | 1-1/2” | 8 | 2.68” |
| 20-9 | 2” | 9 | 3.35” |
| Pipe For Your Structure |
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Kee Klamp safety components are produced in a range of standard sizes to suit schedule 40 steel pipe, sizes 1/4" nominal to 2” nominal bore; also equivalent sizes of tubing in other materials. Tubing of other specifications can be used, providing the outside diameter is compatible with schedule 40 pipe. Pipe with a wall thickness of less than 1/8” can only be used in lightly loaded structure. A Kee Klamp component (size 5 – 9) can support an axial load of 2,000 lbs per set screw with the set screw tightened to a torque of 29 lbs/ft. (Rating includes a safety factor of 2:1.) This is normally obtained when the set screw is fully tightened using a ratchet wrench. |
