HPGR Systems

Engineered HPGR Systems for High-Performance Comminution
Demir Engineering has been actively involved in numerous HPGR projects. Through engineering expertise, materials science capability, and field-driven experience, we support operations utilizing high-pressure grinding in:
•Iron Ore
•Diamond
•Molybdenum
•Gold
•Copper
•Cement Processing
Our advanced-designed HPGR rolls and critical components are engineered to improve wear life, maintain grinding efficiency, and enhance overall plant performance.
Demir works directly with end users to assess operational conditions, develop optimized solutions, and implement engineered upgrades from consultation through turnkey installation support.
HPGR Systems

Design, Engineering & Manufacturing
Demir provides complete engineering support for HPGR systems and components, including:
•Custom HPGR roll design
•Stud layout optimization
•Wear surface engineering
•Material upgrades for severe service
•Structural and shaft integrity evaluation
We utilize high-performance materials such as:
•Specialized steel grades
•Weld overlay systems
•Tungsten carbide grades
•Advanced alloy systems for severe abrasion
Our engineering advantage lies in continuous improvement and research-driven development ensuring that each solution is tailored to the specific ore type, feed characteristics, and operational parameters of the plant.
Installation, Inspection & Refurbishment
HPGR components can achieve extended operational life when supported by structured maintenance and refurbishment programs.
Demir provides professional inspection and refurbishment services, including:
•Inspection and refurbishment of bearings
•Inspection and refurbishment of bearing blocks
•Inspection and refurbishment of shafts
•Roll surface restoration and re-studding
•Structural assessment and integrity verification
By combining engineering oversight with field execution support, we help clients maximize equipment life and reduce unplanned downtime.



Performance Focus
Our HPGR solutions are designed to deliver:
•Increased wear life
•Improved grinding efficiency
•Reduced maintenance intervals
•Lower total cost of ownership
•Enhanced operational reliability
Why Demir for HPGR
•Proven project experience
•Severe-service material expertise
•Application-specific engineering
•Field-supported implementation
•Lifecycle performance strategy
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