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Carbon Floating Ring Seal DC73

Type 551, BT-FN Mechanical Seal
  • Type 551, BT-FN Mechanical Seal

Carbon Floating Ring Seal DC73

Performance Capabilities:

Pressure: ≤10 MPa

Temperature: ≤590°C

Linear Speed: ≤300 m/s

Material Selection:

Metallic Components: 1Cr13, 304, 316L, 2507, TA2

Spring: 316L, Hastelloy C-276

Seal Rings: Graphite、PTFE、PEEK

Elastomer Options: FKM、FFKM、EPDM、NBR

Mediums:

Designed for nitrogen, air, steam, VOC .When configured with DC72, it is used for flammable, toxic and explosive gas services.

Typical Applications:

Designed for medium & high-pressure gas transmission equipment:

Roots blowers
• Steam compressors
Centrifugal compressors

Optional FDA-compliant materials for:

Food/pharmaceutical grade gas & steam systems

  • DC73 carbon floating ring seal designed in accordance with API 692, rated for 10 MPa. The assembly includes a sleeve,  seal rings, seal ring holder ,auxiliary seals, seal gland, mounting plate, and drive mechanisms.

    Technical Features:

    1.High-strength, high-performance sealing materials .

    2.Specially engineered seal rings for long-term high-pressure service.

    3.Alloy-encased seal rings for fracture prevention and enhanced operational safety.

    4.Multi-part seal rings design .

    5.DC73 is typically combined with DC71、DC72, using step-down pressure reduction for optimal sealing performance.

    6.Shaft sleeve with advanced wear and corrosion resistance treatment

    7.Features a disc spring design to minimize installation space while increasing face pressure for improved contact and reduced leakage.

    8.Drive pin mechanism for high reliability.

    9.Cartridge design makes installation and removal easy.

    Solution Selection:

    With DERUI’s GCS74  support system.

    Custom configurations available per specific process requirements.

     

     

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