| Valve Type | Inner Valve Type |
| Impact Frequency | 600-1100bpm |
| Suitable Carriers | 2.5-4.5t |
One-piece bracket design, simple structure, hollows on both sides of the bracket for easy maintenance, low cost, widely used domestically. Often used for excavation and mining.
| Valve Type | Inner Valve Type |
| Impact Frequency | 600-1100bpm |
| Suitable Carriers | 2.5-4.5t |
