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HB20G Open Type Hydraulic Breaker: Heavy-Duty Demolition Power
Engineered for 18-25 ton excavators, the HB20G delivers superior performance in building demolition, road construction, quarry operations, and heavy industrial applications.
Technical Specifications
Specification
Value
Suitable Excavator
18 - 25 Tons
Operating Weight
1,766 kg
Required Oil Flow
125 - 160 L/min
Setting Pressure
210 - 230 Bar
Operating Pressure
160 - 180 Bar
Impact Energy
3,692 Joules
Impact Rate
350 - 600 Bpm
Hose Diameter
1 Inch
Noise Level
120 dB
Tool Diameter
135 mm
Open Type Design Advantages
Superior Engineering for Demanding Applications
Superior Heat Dissipation: Open frame construction prevents overheating during extended operation
Enhanced Serviceability: Critical components accessible for minimal downtime maintenance
Cost-Effective Operation: Simplified design reduces maintenance and parts replacement costs
Hydraulic-Nitrogen Operating Principle
The HB20G operates on a hydraulic-assisted nitrogen gas return mechanism for consistent performance across varying conditions.
Nitrogen Gas Advantages:
Consistent Impact Energy: Stable pressure across varying temperatures
Reduced Hydraulic Demand: Gas-assisted return improves system efficiency
Lower Operating Temperatures: Efficient energy transfer minimizes heat generation
Application Analysis
Building Demolition (Primary Application)
Structural Concrete Demolition: Breaks reinforced concrete beams, columns, and slabs
Industrial Building Demolition: Handles heavy concrete foundations and confined spaces
Bridge and Infrastructure Demolition: Suitable for bridge decks, abutments, and piers
Urban Renewal: Efficient removal of unauthorized structures and site preparation
Road and Transportation Infrastructure
Highway Maintenance: Asphalt and concrete pavement breaking for repairs
Road Widening: Rock excavation and slope preparation
Railway Construction: Tunnel excavation and bridge demolition
Airport and Port Infrastructure: Runway repair and wharf maintenance
Mining and Quarry Operations
Open-Pit Mining: Primary and secondary rock breaking
Quarry Operations: Stone extraction and block shaping
Underground Mining: Drift development and stope preparation
Municipal and Utility Engineering
Utility Trenching: Rock trenching and concrete pavement breaking
Waterway Projects: Dredging support and flood control structure demolition
Public Space Renovation: Hardscape removal and retaining wall demolition
Industrial and Metallurgical Applications
Steel Mill Operations: Slag breaking and furnace lining demolition
Cement Plant Maintenance: Kiln coating removal and crusher feed preparation
Smelter Operations: Matte breaking and equipment foundation removal
Specialized and Emergency Applications
Hydraulic Engineering: Dam spillway repair and canal lining rehabilitation
Disaster Recovery: Collapsed structure demolition and emergency access creation
Frozen Ground Excavation: Breaking through frozen soil and permafrost
Quality Assurance and Manufacturing Excellence
Advanced Manufacturing Capabilities
Professional horizontal machining centers for precision components
Advanced heat treatment equipment for optimal material properties
Japanese vertical grinders achieving micron-level precision
Comprehensive Quality Control
Material certification and traceability
Heat treatment verification and hardness testing
Performance testing of impact energy and operating parameters
Warranty and Support
12-month warranty on hydraulic breakers
6-month warranty on spare parts
Technical support for installation and commissioning
Operator training and after-sales support
Product Line Overview
Series
Models
Applications
SB Series
SB10 to SB151
1.5-45 ton excavators, light to medium demolition
MS Series
MS550 to MS800
Medium duty for 6-18 ton excavators
HB Series
HB15G, HB20G, HB30G, HB40G
Heavy duty for 15-40 ton excavators
MB Series
MB1500
Ultra-heavy for 45-70 ton excavators
Super Heavy
Tool diameters 175-210mm
Largest excavators, primary rock breaking
Frequently Asked Questions
What excavator size is compatible with the HB20G?
The HB20G is designed for excavators in the 18-25 ton class, with optimal performance on 20-22 ton machines.
What materials can the HB20G break?
The HB20G effectively breaks medium-hard rocks including granite and limestone, reinforced concrete (C30-C50 grade), thick asphalt pavement, and industrial materials like slag and refractory.
What is the difference between open type and silent type breakers?
Open type breakers like the HB20G offer superior heat dissipation, easier maintenance access, and robust construction--ideal for heavy demolition and continuous operation. Silent type breakers incorporate noise-dampening enclosures for noise-sensitive environments.
What warranty does Guchuan Machinery provide?
We provide a 12-month warranty on hydraulic breakers and a 6-month warranty on spare parts, with comprehensive technical support throughout the product lifecycle.
Does Guchuan Machinery offer OEM services?
Yes, we offer comprehensive OEM and ODM services, manufacturing breakers to customer specifications with custom branding and packaging.
Contact Information
Jiangsu Guchuan Machinery Co., Ltd.
Changzhou, Jiangsu Province, China
Professional hydraulic breaker manufacturer since 2010
For inquiries, technical specifications, or partnership opportunities:
Request a quote for the HB20G or any model in our comprehensive product line
Consult with our technical team to match the right breaker to your excavator fleet
Explore OEM partnerships for custom-manufactured hydraulic breakers
Download technical documentation including specifications and test reports
