Hydraulic Double Roller Crusher FAQ
Intelligent, High-Capacity Solutions for Large-Scale Operations

Hydraulic Double Roller Crusher
Q1: How does the “Intelligent Hydraulic Protection System” work?
This is a core safety feature of APEX hydraulic crushers. When an unbreakable foreign object (like a piece of tramp iron) enters the chamber, the hydraulic cylinders automatically retreat to widen the gap, allowing the object to pass safely. The rollers then reset to their original position automatically, ensuring continuous operation without manual intervention or machine damage.
Q2: What are the energy-saving advantages compared to traditional crushers?
Our large hydraulic models utilize static pressure extrusion technology. Compared to traditional impact or hammer crushers, APEX hydraulic rollers can save 20%-30% in energy consumption while increasing total output by 30%-40%. This significantly lowers the operational cost per ton of material.
Q3: How long do the roller skins last in harsh mining environments?
Durability is our hallmark. APEX roller skins are fabricated from high-chromium manganese steel alloy. This specialized material provides a service life 3-5 times longer than standard rollers, specifically designed to handle iron ore, gold ore, and hard basalt in continuous heavy-duty operations.
Q4: Can this machine produce high-quality sand for infrastructure projects?
Absolutely. The Laminar Flow Crushing process used in our hydraulic rollers produces a high percentage of cubic-shaped particles with extremely low needle-flake content. This makes the finished aggregate ideal for high-grade concrete batching in highways, railways, and bridges.
Q5: What is the maximum production capacity available?
Our large-scale series is built for massive throughput. For example, our 2PGY2000×1200 model features a 2000mm roll diameter and can deliver a stable capacity of 300-400 tons per hour (t/h), making it the perfect core equipment for large infrastructure sand and gravel production lines.
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