Shelby tube samplers
- Product Code: Shelby_Tube_Samplers
Thin-walled open-tube samplers are designed for taking samples in soft and firm cohesive soils.
These samplers have a much lower area ratio (approximately 10%) than U100 samplers and therefore give less disturbed samples.
However, some disturbance is caused due to friction of the sample on the inside of the sample tube.
The drive head is manufactured with a drill rod box connection to customer requirements and has an air-relief port and a simple arrangement for fixing the sample tubes with 3 grub screws.
Sample tubes are available in cold-drawn seamless carbon steel and in stainless steel in a variety of diameters and lengths.
The cutting edge has a 30-degree chamfer.
| Nominal Diameter | Material | Tube O.D. | Wall thickness | Area Ratio |
| (Inches) | (mm) | (mm) | ||
| 2" | CDS/SS | 50.8 | 1.63 | 14% |
| 3" | CDS/SS | 76.3 | 1.63 | 9% |
| 3 1/2" | CDS | 88.9 | 1.63 | 8% |
| 3 1/2" | SS | 88.9 | 2.11 | 10% |
| 4" | CDS/SS | 101.6 | 1.63 | 7% |
| 4 1/2" | SS | 114.3 | 2.11 | 8% |
| 5" | CDS | 125.0 | 2.00 | 7% |
| 6" | CDS | 152.4 | 3.25 | 9% |
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