The Extreme Requirements for Valves in the Metallurgy & Mining Industry

Mining and metallurgical operations are among the harshest industrial environments. Valves and actuators face heavy dust, intense vibration, abrasive slurries, and extreme temperatures. Equipment failures can halt production and create significant safety risks. The core challenges include:

  • High Dust Concentration: Mines and processing plants have severe dust levels requiring high ingress protection.
  • Vibration & Impact: Crushing, screening, and grinding equipment generate intense vibration that can affect valve performance.
  • High Torque Requirements: Large-diameter pipelines handling slurries and tailings demand high-output actuators.
  • Abrasion Resistance: Mineral slurries, tailings, and ore processing fluids are highly abrasive to valve internals.
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KINKO's Commitment

KINKO delivers heavy-duty, high-torque actuators and abrasion-resistant valves engineered for mining and metallurgical applications. With IP67/IP68 protection, hard metal or ceramic-lined options, and robust designs that withstand vibration and impact, our products ensure reliable performance in the world's toughest mining environments.

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Core Solutions

High-Torque Valve Control
  • Torque up to 800Nm
  • Rugged design for harsh environments
  • IP68 protection
Slurry Pipeline Isolation
  • 1M cycle service life
  • IP68 protection
  • Fast response ≤0.5 sec
Abrasion-Resistant Flow Control
  • 4-20mA or On/Off control
  • HART communication available
  • Position feedback

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FAQ

How does IP67/IP68 protection ensure valve reliability in high-dust mining environments?
IP67 and IP68 ratings provide complete dust-tight protection, preventing fine particles from entering the actuator and causing premature wear or failure. This ensures reliable operation even in the most severe mining and mineral processing environments with extreme dust concentrations.
What lining materials are available for handling abrasive slurries and mineral processing fluids?
We offer valves with cemented carbide (hard metal) lining, ceramic lining, and hardfaced Stellite trim options. These abrasion-resistant materials extend valve service life by 3-5 times compared to standard valves in abrasive slurry service.
What torque capacity does the AW series provide for large-diameter mining valves?
The AW series high-torque actuators provide output torque up to 4,000+ Nm, suitable for large-bore valves up to 36 inches. Extended torque ranges are available for specialized mining applications requiring additional power.
Can KINKO actuators withstand high vibration from crushing and screening equipment?
Yes. Our actuators feature robust construction with reinforced mounting brackets and heavy-duty sealing systems. The vibration-resistant design has been successfully deployed in multiple mining operations with continuous heavy vibration.
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