It has following advantages:
- The pressure is between 0.6 MPa and 1.75 MPa.
- Valveless hammers.
- Simple structure, easily to assemble and to disassemble, long lifespan.
- Higher impulse and faster drilling rate.
- Lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cutting discharge.
- Especially suitable for quarrying.