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C02 Mechanical Seal

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The C02 Mechanical Seal is an advanced metal bellows seal engineered for extreme industrial applications requiring superior thermal resistance and reliable sealing performance. It features an elastomer-free design with flexible carbon and encapsulated PTFE secondary sealing options, ensuring exceptional adaptability across a wide range of harsh environments.
With operating limits up to 2 MPa pressure, speeds up to 20 m/s, and an extended temperature range from -73°C to +427°C, the C02 is ideal for applications involving extreme temperature variations. Its robust metal bellows construction effectively compensates for thermal expansion and mechanical stress, maintaining consistent sealing integrity.
Constructed from high-performance materials such as silicon carbide, carbon, and advanced alloys including AM350, Inconel 718, Titanium, and Hastelloy-C, the C02 delivers outstanding resistance to heat, corrosion, and wear, ensuring long-term durability in the most demanding industrial conditions.

  • Ultra high-temperature metal bellows seal
  • Elastomer-free design
  • Secondary seal options: Flexible Carbon / PTFE Encapsulated / VITON
  • Pressure: ≤2 MPa
  • Speed: ≤20 m/s
  • Temperature: -73°C to +427°C
  • Sealing faces: SiC / Carbon / TC
  • Excellent resistance to extreme heat and chemical exposure
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(inches)
d 26d 2d 2ad 1l 1l 22a​nml 3c
maxminminmaxminmaxmax3/8"1/2〞5/8"maxmax
1.1254.2502.0002.2501.9401.6401.9202.0503.1203.240\0.5001.2603/8
1.1254.2501.8802.1300.8101.5801.9202.0502.870\\0.4401.2603/8
1.2504.5002.2502.3802.1701.6801.9202.0503.1903.310\0.5001.2603/8
1.3754.7502.3802.6302.3001.6801.9902.1103.4903.620\0.5601.3203/8
1.3754.2502.1302.3802.0601.6401.9202.0503.240\\0.4401.2603/8
1.5005.2502.5002.7502.4201.6801.9902.1103.6203.740\0.5601.3201/2
1.6255.5002.6302.8802.5501.6801.9902.1103.7403.870\0.5601.3201/2
1.7505.7502.7503.0002.6701.6801.9902.1103.8703.990\0.5601.3201/2
1.8756.0002.8803.2502.8001.8002.0502.1704.1204.240\0.5601.3801/2
2.0006.2503.0003.3802.9201.8002.0502.1704.2404.3704.4900.6901.3801/2
2.1256.2503.1303.5003.0501.8002.0502.1704.3704.4904.6200.6901.3801/2
2.2506.5003.2503.6303.1901.8002.0502.1704.4904.6204.7400.6901.3801/2
2.3756.5003.3803.6303.3101.8002.1102.2404.4904.6204.7400.6901.4501/2
2.5006.5003.5003.7503.4401.8002.1102.2404.6204.7404.8700.6901.4501/2
2.6256.7503.7504.0003.6301.8302.1102.2404.8704.9905.1200.6901.4501/2
  • High-temperature process pumps
  • Petrochemical and refinery industries
  • Thermal oil systems and boilers
  • Power generation plants
  • Chemical processing (extreme conditions)
  • Heavy industrial environments
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