80081679 O-Ring Hydraulic Rock Drill | High-Temperature FKM Material for Mining Equipment

Part Number: 80081679
  • Material: FKM fluoroelastomer (70 Shore A hardness)
  • Dimensions:
    • Inner Diameter:
    • Cord Thickness:
    • Cross-Section Class: ISO 3601-1 Class B
  • Performance:
    • Working Pressure: Up to 20 MPa
    • Temperature Range: -20°C to +200°C
    • Chemical Resistance: Mineral oils, hydraulic fluids, and mild acids
  • Design Features:
    • 15-20% compression ratio for optimal sealing
    • Chamfered edges to prevent installation damage
    • Low friction coefficient for dynamic applications
  • Compliance: ISO 3601-1 (dimensions), ISO 3601-3 Class N (quality)
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High-Temperature O-Ring for Hydraulic Rock Drills
Engineered for extreme mining environments, this O-ring ensures reliable sealing in hydraulic rock drills and other heavy-duty equipment. Constructed from FKM fluoroelastomer with 70 Shore A hardness, it withstands high temperatures, aggressive fluids, and mechanical stress, making it ideal for prolonged use in underground mining and quarrying operations.

 

Technical Specifications & Design
The O-ring adheres to ISO 3601-1 standards, featuring a 40 mm inner diameter with a 5.3 mm cord thickness (Class B dimensions). Its precision-machined cross-section ensures a 15-20% compression ratio in 5.7 mm wide mounting grooves, providing leak-free performance under dynamic and static conditions. The chamfered edges facilitate easy installation without damage to the sealing surface.

 

Performance Advantages
  • Extreme Temperature Resistance: Maintains elasticity from -20°C to +200°C, suitable for high-heat applications like drill rigs and hydraulic power units.
  • High-Pressure Stability: Withstands up to 20 MPa pressure, exceeding typical hydraulic system requirements .
  • Chemical Compatibility: Resists mineral oils, hydraulic fluids, and mild acids, ensuring longevity in corrosive environments .
  • Low Friction Design: Reduces wear during reciprocating motion, enhancing system efficiency and reducing energy consumption.

 

Applications
  • Hydraulic Rock Drills: Critical for sealing piston assemblies and valve systems in Sandvik-compatible equipment.
  • Mining Machinery: Used in drill rigs, crushers, and conveyor systems requiring durable seals.
  • Industrial Hydraulics: Supports presses, excavators, and material handling equipment in harsh conditions.