Shaft Segments
FP McCann has developed a comprehensive range of smoothbore shaft linings. Each size is specifically designed to meet the tunnelling industry’s exacting and varied needs, recognizing the key criteria as being strength, stability and the capability of performing in all types of ground conditions.
All rings, except the cutter choker, comprise of ordinary segments and two top segments. The top segments have one tapered cross joint so that they can be installed with an EPDM gasket. The cutter choker comprises all ordinary segments.
| Product | Type | Factory Locations | Cast Type | Standard | Tolerances | Testing | EPD Information | Lead Time | Haulage Requirements | Off Loading /Handling | Installation |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shaft Segments | Standard | Wet Cast | Shaft Segment Standards | Shaft Segment Tolerances | Shaft Segment Testing | – | Stock | Flat Bed | Screw in Lifters |



