Zoomlion Zoomlion Mining Hydraulic Crushing Hammer-ZHB220 Parameter

project unit value
Diameter of the drill rod mm 220
Operating weight kg 7300
Oil pressure bar 280-300
Working Flow L/min 300-350
Frequency of impact bpm 180-300
Nitrogen chamber air pressure bar 20-25
Accumulator air pressure bar 65-70
Applicable excavators t 55-90

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