Hydraulic Breaker JB Series

JB SERIES (External Valve Type)


  • JB70
  • JB80
  • JB110
  • JB120


MID WEIGHT BREAKERS   External Valve type (With Accumulator)

Description

Model

Unit

JB70

JB80

JB110

JB120

Operating

Silenced

Kg 

1,120 

1,750 

2,200 

2,800 

lb

2,469

3,858

4,850

6,173

Weight

(Tool + M / C)

Open Top

Kg

1,280

1,820

2,390

2,950

lb

2,822

4,012

5,269

6,504

Main Body Weight

Kg

494

690

889

1,228

Tool

(Moil type)

Weight

Kg

88

120

162

213

Diameter

mm

120

135

150

160

Operating Pressure

(Breaker)

bar

150 ~ 170

160 ~ 180

160 ~ 180

160 ~ 180

psi

2,175 ~ 2,465

2,320 ~ 2,610

2,320 ~ 2,610

2,320 ~ 2,610

Setting Pressure

(Machine)

bar

200

210

220

220

psi

2,900

3,045

3,190

3,190

Impact Rate

bpm

400 ~ 750

350 ~ 700

300 ~ 650

260 ~ 450

Accumulator Pressure

(N2-Gas)

bar / psi

60 / 870

Back Head Pressure

(N2-Gas)

bar / psi

6 / 87

6 / 87

6 / 87

6 / 87

Required Oil Flow

l / min

90 ~ 120

125 ~ 150

150 ~ 190

180 ~ 250

g / min

23.7 ~ 31.6

33 ~ 39.6

39.6 ~ 50.1

47.5 ~ 66

Suitable

Excavator

Min

ton

14

18

24

33

Max

ton

20

28

36

50

Suitable

ton

17

20

30

40


※ Above specifications are subject to change without prior notice for the improvement in quality.