| Valve Type | Inner Valve Type |
| Impact Frequency | 600-1100bpm |
| Suitable Carriers | 2.5-4.5t |
It incorporates all the advantages of top-mounted breakers and features a fully enclosed design. The main powercell and the bracket are assembled using shock-absorbing dampers and pads, resulting in low noise and failure rates. Often used for demolition, tunnel operations, and slag breaking.
| Valve Type | Inner Valve Type |
| Impact Frequency | 600-1100bpm |
| Suitable Carriers | 2.5-4.5t |
