Yantai Dopro Industry Technology Co., Ltd.
| Supply Ability | 7000 Pcs Per Month |
| Delivery Time | 5-7Working Days |
| Packaging Details | Wooden Pallet /Wooded Box |
| Warranty | 12 months |
| Color | Orange / Customer's Request |
| Type | top type |
| Application | Mining,Crawler Excavator,Construction |
| Material | 20CrMo |
| Name | Hydraulic breaker hammer,hydraulic breaker for excavator |
| Product name | hydraulic breaker jack hammer for construction equipments,hydraulic breaker hammer |
| Condition | New |
| Packing | Customized |
| Brand Name | Dopro |
| Model Number | DPTB750 |
| Certification | ISO CE |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 7000 Pcs Per Month | Delivery Time | 5-7Working Days |
| Packaging Details | Wooden Pallet /Wooded Box | Warranty | 12 months |
| Color | Orange / Customer's Request | Type | top type |
| Application | Mining,Crawler Excavator,Construction | Material | 20CrMo |
| Name | Hydraulic breaker hammer,hydraulic breaker for excavator | Product name | hydraulic breaker jack hammer for construction equipments,hydraulic breaker hammer |
| Condition | New | Packing | Customized |
| Brand Name | Dopro | Model Number | DPTB750 |
| Certification | ISO CE | Place of Origin | CHINA |
| High Light | Top Type Hydraulic Breaker ，60 ton Hydraulic Breaker ，Mini Excavator Hydraulic Breaker | ||
Main Advantages of DOPRO Hydraulic Breaker:
1.Easy to locate and control;
2.More conducive to excavate;
3.Weight lighter, the lower risk of broken drill rode
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Excellent performance with high durability. The company has been developed to meet the high standards of the current market. The demand for high durability and low maintenance costs on hydraulic equipment are combined in the total design of our attachments.
Cylinder u0026amp; valves: prevents scuffing with precision finishing treatment
Piston: every piston tolerance machined perfectly according to each cylinder
Chisel: 42CrMo, exceptional performance and reliability
Seal kit: original NOK
Contral Valve
1.Special design
2.The tolerance between valve and valve sleeve is 0.02-0.03mm(20T)
Through bolt
1.42 CrMo to ensure perpendicularity
2.Vacuum heat treatment in order to expand service life, avoid broken
Piston
1. Special material:durable and longer service life.(20CrNiMoA)
2. For larger model, we use special technology, avoid crack. It will be as good as new after six months if you opearte correctly.
3.Vacuum heat treatment, we control the temperature and time of annealing furance by computer and workers. To ensure durable performance and perfect quality.
4.After heat treatment, we use subzero treatment in order to reduce the deformation and not easy scratched ( below zero 130℃).
5.The piston's precision is 0.005mm and concentricity is 0.005-0.006mm. It ensures beating force.
6.The distance between cylinder and piston:
20T 0.05-0.06mm
30-40T 0.06-0.065mm
40T 0.065-0.07mm
| SPECIFICATION | ||||||||
| Model | DPTB400 | DPTB450 | DPTB530 | DPTB680 | DPTB750 | DPIB1000 | ||
| Suitable Excavator |
Min | ton | 0.8 | 1.2 | 25 | 4 | 6 | 11 |
| Max | ton | 2.5 | 3 | 45 | 7 | 9 | 16 | |
| Suitable | ton | 1 | 2 | 3 | 6 | 7 | 14 | |
| Tool (Moil Type) |
Weight | Kg | 4 | 6 | 9 | 20 | 25 | 59 |
| Diameter | mm | 40 | 45 | 53 | 68 | 75 | 100 | |
| Operating Weight (Tool+MO) |
Kg | 90 | 110 | 135 | 273 | 304 | 516 | |
| Ib | 165 | 190 | 353 | 714 | 838 | 1874 | ||
| Height | mm | 1150 | 1254 | 1313 | 1602 | 1869 | 2358 | |
| Operating Pressure (Breaker) |
bar | 80～100 | 80~100 | 90~120 | 95~130 | 100~140 | 150～170 | |
| psi | 1,160～1450 | 1,160~1,450 | 1,305~1,740 | 1,377~1,885 | 1,450~2,030 | 2,175~2465 | ||
| Setting Pressure (Machine) |
bar | 150 | 150 | 150 | 170 | 180 | 200 | |
| psi | 2175 | 2175 | 2175 | 2465 | 2610 | 2900 | ||
| Impact Rate | bpm | 800～1,400 | 700～1,200 | 600~1,100 | 500～900 | 400~800 | 350~700 | |
| BackHead Pressure (N2-Gas) |
bar/psi | 14/203 | 14/203 | 16/232 | 16/232 | 16/232 | 16/232 | |
| Required Oil How | l/min | 15～30 | 20~40 | 25~50 | 40~70 | 50～90 | 80~110 | |
| SPECIFICATION | ||||||||
| Model | DPTB1350 | DPTB1400 | DPTB1500 | DPTB1550 | DPTB1650 | DPTB1750 | ||
| Suitable Excavator |
Min | ton | 18 | 10 | 25 | 28 | 30 | 40 |
| Max | ton | 21 | 26 | 20 0 |
35 | 40 | 55 | |
| Suitable | ton | 20 | 24 | 24 | 34 | 40 | 50 0 |
|
| Tool (Moil Type) |
Weight | Kg | 125 | 129 | 129 | 193 | 233 | 311 |
| Diameter | mm | 135 | 140 | 150 | 155 | 165 | 175 | |
| Operating Weight (Tool+M/O) |
Kg | 1450 | 1780 | 2100 | 2700 | 2995 | 4100 | |
| Ib | 3968 | 4453 | 4453 | 5820 | 7055 | 11089 | ||
| Height | mm | 2691 | 2828 | 3055 | 3215 | 3395 | 3736 | |
| Operating Pressure (Breaker) |
bar | 160～180 | 160~180 | 160～180 | 160~180 | 160~190 | 160～200 | |
| psi | 2,320～2,610 | 2,320~2,610 | 2,320~2,610 | 2,320~2,610 | 2,276~2,702 | 2,276~2,845 | ||
| Setting Pressure (Machine) |
bar | 210 | 210 | 210 | 220 | 240 | 240 | |
| psi | 3045 | 3045 | 3045 | 3190 | 3480 | 3480 | ||
| Impact Rate | bpm | 350～600 | 350～500 | 300~450 | 300~450 | 250～400 | 150～350 | |
| Back Head Pressure (N2-Gas) |
bar/psi | 16/232 | 16/232 | 16/232 | 16/232 | 17/246 | 18/261 | |
| Required Oil Fow | l/min | 100～150 | 120～180 | 150~210 | 180～240 | 200~260 | 210~290 | |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2010
Total Annual:
4000000-7000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
DOPRO is a professional manufacturer of Hydraulic Breaker for more than 15 years, we are leading manufacturer in china domestic market for breaker spare part and whole breaker production ,meanwhile we get more production line for excavator attachments . Until now ,we get ... DOPRO is a professional manufacturer of Hydraulic Breaker for more than 15 years, we are leading manufacturer in china domestic market for breaker spare part and whole breaker production ,meanwhile we get more production line for excavator attachments . Until now ,we get ...
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