Key Features:
Engineered for tunneling machine hydraulics
Dual hydraulic and metal face sealing
Performs under high-load rotary shaft motion
Severe underground condition compatibility
Withstands mud, debris, and slurry ingress
Long-lasting sealing in abrasive terrain
Custom profiles for tunneling machinery
Extended service cycles
Backed by geotechnical engineering standards
Seals in horizontal and vertical shafting
Pressure-resistant elastomeric elements
Shock-absorbent seal geometry
Low-friction design for energy savings
Anti-wear reinforcement layer
High load-bearing capacity
Flexible under shaft misalignment
Prevents fluid loss in sub-surface hydraulics
Compatible with specialized tunnel lubricants
Vibration-dampening sealing structure
Seals available in large diameters
Water-tight operation under pressure
OEM compliant for major tunnel equipment
Reduced maintenance frequency
UV, thermal, and fluid resistant materials
Precision manufacturing tolerances
Quick-change seal kits optional
Corrosion protection in damp tunnels
Maintains integrity in harsh climates
Field-tested in tunnel boring systems
Available for shield machines and TBMs
Dynamic sealing under shaft stress
Low-noise design for underground work
Anti-intrusion compound formulation
Hydraulic oil compatible sealing surfaces
Extended lifespan under cycle repetition
Certified for infrastructure tunneling use
Improves system uptime and reliability



