DOWIN G series breakers very reliable equipment proved
by track record of long field experience.
- Very convenient in maintenance using several compatible spares such as front cover, ring bush and through bolt, etc. with other G type breakers.
- Superior quality alloy steel provides excellent durability and longer life.
- Box Type breaker was developed to minimize the noise during operation, with use of sound absorbing materials and noise reducing frame design, very useful in the job site of urban area.
- Dowin G series provides 6 models from 13 tons to 70 tons class.
Description/Model | Unit | DW 15G | DW 20G | DW 30G | |
Operating Weight (Including Rod) |
Box | kg | 1,310 | 1,777 | 2,540 |
Open | kg | 1,230 | 1,740 | 2,420 | |
Side | kg | 1,200 | 1,700 | 2,380 | |
Length (Including Rod) |
Box/Open | mm | 2,031 | 2,327 | 2,500 |
Side | mm | 1,800 | 2,200 | 2,300 | |
Optimum Oil Flow | l/min | 90-120 | 130-150 | 150-190 | |
Setting Pressure (Base Machine) |
bar (kg/cm³) |
180-210 | 180-210 | 180-210 | |
Operating Pressure | bar (kg/cm³) |
160-180 | 160-180 | 160-180 | |
psi | 2,276-2,560 | 2,276-2,560 | 2,276-2,560 | ||
Rod Diameter | mm | 120 | 135 | 150 | |
Impact Rate | bpm | 400-900 | 400-800 | 300-750 | |
Hose Diameter | inch | 3/4 | 1 | 1 | |
Base Machine |
m³ | 0.5-0.7 | 0.7-0.9 | 1.1-1,6 | |
ton | 13-18 | 18-22 | 27-30 | ||
lb | 28,670-39,700 | 39,680 | 59,500-66,100 | ||
Impact Energy Class | joule | 2,800 | 3,600 | 7.000 |
※ The above specifications are subject to change without prior notice for quality improvement.
Description/Model | Unit | DW 40G | DW 50GX | DW 60GX | |
Operating Weight (Including Rod) |
Box | kg | 3,110 | 4,150 | 5,200 |
Open | kg | 3,020 | 4,100 | 5,100 | |
Side | kg | 2,900 | 3,922 | 4,866 | |
Length (Including Rod) |
Box/Open | mm | 2,950 | 3,790 | 3,995 |
Side | mm | 2,500 | 3,225 | 3,432 | |
Optimum Oil Flow | l/min | 190-250 | 180-350 | 190-350 | |
Setting Pressure (Base Machine) |
bar (kg/cm³) |
180-210 | 170-230 | 170-230 | |
Operating Pressure | bar (kg/cm³) |
160-180 | 160-180 | 160-180 | |
psi | 2,276-2,560 | 2,276-2,560 | 2,276-2,560 | ||
Rod Diameter | mm | 160 | 175 | 185 | |
Impact Rate | bpm | 250-500 | 110-190 | 100-190 | |
Hose Diameter | inch | 1 1/4 | 1 1/4 | 1 1/4 | |
Base Machine Weight |
m³ | 1.6-2.0 | 1.6-2.5 | 1.8-4.0 | |
ton | 35-45 | 35-50 | 40-70 | ||
lb | 77,160-99,300 | 77,200-110,200 | 88,200-154,300 | ||
Impact Energy Class | joule | 9,900 | 16,000 | 18,000 |
※ The above specifications are subject to change without prior notice for quality improvement.