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Unmatched Performance for the Seas

Large-Scale Ceramic Sealing Rings

CeramTec produces large ceramic sealing rings for heavy-duty pumps and marine applications, including ship propulsion units and water turbines. Our monolithic ROCAR® Silicon Carbide rings, with diameters up to 1,000 mm, showcase our expertise in naval engineering. 

With decades of experience, we provide custom sealing solutions that excel in demanding environments, offering high heat and corrosion resistance for long-term reliability. Our unique capability to produce large-scale rings and the superior properties of ROCAR® Silicon Carbide make us the preferred partner for naval and industrial applications.

Silver Sealing Rings with up to 1m diameter
Leverage our Ceramic Expertise to secure your Competitive Advantage

Material Properties of Silicon Carbide

Ceramic solutions made of our ROCAR® SiC material ranged are designed to meet various challenging requirements such as:

  • High heat resistance 1,350 / 1,800 °C
  • High corrosion and wear resistance
  • Extremely high hardness
  • High strength in all temperature ranges (from – 100 °C to + 1,800 °C)
  • Excellent thermal conductivity
  • Low thermal expansion and specific density
Advanced Ceramic Solutions for Tough Conditions

Exemplary Applications

  • Heavy duty pumps
  • Water turbines
  • Commpressor seals
  • Gas seals
  • Ship construction & naval applications
  • Process industry
  • Fluid handling applications
Worker looking to offshore platform
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