Air Shaft Core Chuck features:
- Air cover has key type and drum type, drum type air cover also called air drum.
B. Usage: Set outside the 3 inches air shaft, can achieve the six inches efficient.
C. Inner bore Ø 76mm, outside diameter is 150mm, the length is according to the customers’ request.
D. Adopt the high quality aluminum alloy hard oxidize, the surface color is tawny, use convenient.
E. After gassing it is equal to 6 inches air shaft, outside diameter can reach 155-158mm
F. The surface of key bar length is 100mm, width is 8mm
G. The outside of air drum surface, which part bulge ismade by rubber, having been produced with the design being finalized, we have stock. Total length ID 190mm.
Note: The length of the air cover is determined by the customers’ needs.
Main dimension(special size can be customized):
| Specification | Diameter before inflating | Diameter after inflating | Applicable tube diameter/ID | Calculatd Weight |
| 3″-6″ | Φ148mm | Φ156mm | Φ149–Φ153mm | 9.5KG |
| 3″-8″ | Φ200mm | Φ208mm | Φ201-Φ205mm | Needs to compute |
| 3″-10″ | Φ250mm | Φ262mm | Φ252-Φ256mm | Needs to compute |
| 3″-12″ | Φ300mm | Φ310mm | Φ302mm-Φ305mm | Needs to compute |
