20 Ton Excavator SB81 140mm Hydraulic Breaker Hammer For Construction
Hydraulic Breaker SpecifiPCion
|
Model
|
Unit
|
Small range
|
Medium range
|
||||
|
Operating Weight
(side/top/box)
|
kg
|
70/72/102
|
95/95/126
|
138/138/152
|
180/180/224
|
263/263/299
|
334/335/375
|
|
Working Flow Rate
|
1iter/min
|
15-25
|
20-30
|
25-50
|
30-60
|
40-70
|
50-90
|
|
Oil Relief Pressure
|
kg/cm^2
|
160
|
160
|
160
|
160
|
170
|
170
|
|
Working Pressure
|
kg/cm^2
|
90-120
|
90-120
|
90-120
|
100-130
|
110-140
|
120-170
|
|
Impact Rate
|
bpm
|
800-1400
|
700-1200
|
600-1000
|
500-1000
|
500-900
|
400-800
|
|
Chisel Diameter
|
mm
|
40
|
45
|
53
|
60
|
68
|
75
|
|
Back Head Pressure
|
kg/cm^2
|
16
|
16
|
16
|
16
|
16
|
16±0.5
|
|
Applicable Excavator Weight
|
ton
|
0.8-2.5
|
1.2-3.0
|
2.5-4.5
|
3-5.5
|
4-7
|
6-9
|
Advantages
1. Material: 20CrMo, including front head, cylinder, back head.
3.Cylinder & valves: prevents scuffing with precision finishing treatment.
4.Piston: every piston tolerance machined perfectly according to each cylinder.
