Yantai Dopro Industry Technology Co., Ltd.
| Payment Terms | T/T, L/C, Western Union |
| Supply Ability | 200 Sets per Month |
| Delivery Time | 10-20 working days |
| Packaging Details | Export-grade plywood case with anti-rust coating and shock-proof foam |
| Impact Energy | 280 J |
| BPM | 500-950 |
| Chisel Diameter | 53 mm |
| Working Pressure | 90-120 Bar |
| Oil Flow | 25-45 L/min |
| Operating Weight | 168 kg |
| Suitable Excavator | 2.5-4.5 Ton |
| Mounting Type | Box Type (Silent) |
| Brand Name | DOPRO |
| Model Number | SB30 |
| Place of Origin | Shandong, China |
| Certification | ISO 9001:2015, CE |
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Product Specification
| Payment Terms | T/T, L/C, Western Union | Supply Ability | 200 Sets per Month |
| Delivery Time | 10-20 working days | Packaging Details | Export-grade plywood case with anti-rust coating and shock-proof foam |
| Impact Energy | 280 J | BPM | 500-950 |
| Chisel Diameter | 53 mm | Working Pressure | 90-120 Bar |
| Oil Flow | 25-45 L/min | Operating Weight | 168 kg |
| Suitable Excavator | 2.5-4.5 Ton | Mounting Type | Box Type (Silent) |
| Brand Name | DOPRO | Model Number | SB30 |
| Place of Origin | Shandong, China | Certification | ISO 9001:2015, CE |
| High Light | 53mm Silent Box Breaker ，2.5-4.5 Ton Mini Hammer ，SB30 Hydraulic Rock Breaker | ||
The SB30 Silent Box Type Hydraulic Breaker is specifically designed for 2.5-4.5 ton mini excavators. With a 53mm chisel diameter and only 168 kg operating weight, this compact breaker features an integrated noise-reducing enclosure, making it the ideal choice for urban construction, residential renovations, and indoor demolition projects.
| Impact Energy | 280 J |
| Blows Per Minute | 500-950 BPM |
| Chisel Diameter | 53 mm |
| Working Pressure | 90-120 Bar |
| Oil Flow | 25-45 L/min |
| Operating Weight | 168 kg |
| Suitable Excavator | 2.5-4.5 Ton |
| Mounting Type | Box Type (Silent) |
The fully enclosed box-type housing provides 50%+ noise reduction compared to open-type breakers of the same class. This meets strict municipal noise regulations, allowing operation in residential areas, near hospitals, schools, and other noise-sensitive environments. Ideal for urban redevelopment, indoor demolition, road repair in city centers, and foundation work in confined spaces.
Despite its small size, the SB30 delivers efficient breaking performance for concrete slabs, asphalt removal, light rock breaking, and trenching in hard soil. The box type enclosure also protects internal components from dust and debris, extending service life in harsh working environments. Nitrogen gas-charged system enhances impact efficiency.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2010
Total Annual:
10000000-50000000
Employee Number:
080~100
Ecer Certification：
Active Member
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 three factory and one expo... 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 three factory and one expo...
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