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Hdyraulic Breakers

MDB breakers are designed to harmonize the long piston stroke with the nitrogen cushion on the top of the piston, creating less shock and vibration than competing 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 soundabsorbing materials and noise reducing frame design, very useful in the job site of urban area.
 
Description/Model Unit MDB T15 MDB T20 MDB T30 MDB T50 MDB T70
Operating
Weight		 Box kg 102 126 152 295 327
Open kg 72 92 150 279 320
Side kg 70 90 120 250 300
Length Box/Open mm 1,135 1,262 1,342 1,600 1,860
Side mm 947 1,000 1,170 1,347 1,518
Optimum Oil Flow l/min 15-25 20-30 25-40 30-45 40-80
Setting Pressure
(Base Machine)		 bar
(kg/cm³)		 180-210 180-210 180-210 180-210 180-210
Operating Pressure bar
(kg/cm³)		 80-110 80-110 90-120 95-130 130-150
psi 1,138-1,565 1,138-1,565 1,280-1,707 1,351-1,849 1,849-2,133
Rod Diameter mm 40 45 53 68 75
Impact Rate bpm 800-1,400 700-
1,200		 600-1,100 500-
900		 400-
800
Hose Diameter inch 1/2 1/2 1/2 1/2 1/2
Base Machine Weight m³ 0.05-0.1 0.1-0.2 0.15-0.25 0.15-0.25 0.45-0.6
ton 0.8-2.5 1.2-3 2.5-4.5 4-7 7-10.6
lb 1,800-5,500 2,600-6,600 5,500-9,900 8,800-15,400 15,400-30,900
Impact Energy Class joule 213 284 427 711 1,158

 

Description/Model Unit MDB T80 MDB T100 MDB T150 MDB T190 MDB T200
Operating
Weight		 Box kg 750 857 1,296 1,500 1,836
Open kg 733 795 1,250 1,450 1,780
Side kg 700 765 1,200 1,350 1,770
Length Box/Open mm 2,101 2,326 2,604 2,691 2,828
Side mm 1,737 1,994 2,007 2,200 2,409
Optimum Oil Flow l/min 45-85 80-110 90-120 100-150 120-150
Setting Pressure
(Base Machine)		 bar
(kg/cm³)		 180-210 180-210 180-210 200-230 200-230
Operating Pressure bar
(kg/cm³)		 130-150 150-170 150-170 160-180 160-180
psi 1,849-2,133 2,133-2,418 2,133-2,418 2,276-2,560 2,276-2,560
Rod Diameter mm 85 100 125 135 140
Impact Rate bpm 400-800 350-700 350-650 350-600 350-500
Hose Diameter inch 3/4 3/4 1 1 1
Base Machine Weight m³ 0.45-0.6 0.5-0.7 0.5-0.7 0.7-0.9 0.7-0.9
ton 7-14 11-16 15-18 18-21 18-26
lb 15,400-30,900 24,300-35,300 33,100-39,700 39,700-46,300 39,700-57,300
Impact Energy Class joule 1,423 2,135 2,847 3,288 4,270

 

Description/Model Unit MDB T270 MDB T350 MDB T380 MDB T480
Operating
Weight		 Box kg 2,071 2,370 2,850 3,990
Open kg 2,100 2,490 2,995 4,100
Side kg 2,114 2,440 2,501 3,788
Length Box/Open mm 3,055 3,255 3,395 3,709
Side mm 2,430 2,731 2,816 3,143
Optimum Oil Flow l/min 140-190 170-240 190-250 210-290
Setting Pressure
(Base Machine)		 bar
(kg/cm³)		 140-190 170-240 190-250 210-290
Operating Pressure bar
(kg/cm³)		 160-180 160-180 160-180 160-180
psi 2,276-2,560 2,276-2,560 2,276-2,560 2,276-2,560
Rod Diameter mm 150 155 165 175
Impact Rate bpm 300-450 300-450 250-400 200-350
Hose Diameter inch 1 1 1/4 1 1/4 1 1/4
Base Machine
Weight		 m³ 0.9-1.1 1.1-1.6 1.25-1.7 1.4-2
ton 25-30 28-35 30-45 40-55
lb 55,100-66,100 61,700-77,200 66,100-99,200 88,200-121,300
Impact Energy Class joule 5,694 7,117 9,965 12,812