Zigong Zhaoqiang Sealing Products Industrial Co., Ltd.

H75VK Mechanical Seal Dual Cartridge Seal for Pumps

Working conditions

Shaft Diameter: 20-110mm

Temperature: -40 °C-220℃

Pressure: ≤4 Mpa

Linear Velocity: ≤23 m/s


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Category: Mechanical Seals For Pumps
  • Structure Features of H75VK Mechanical Seal Dual Cartridge Seal for Pumps

    The H75VK is a cartridge dual mechanical seal designed in accordance with API 682/ISO 21049. Engineered for reliability, this mechanical seal features a rotating multiple-spring mechanism for consistent pressure distribution. And bi-directional design is available. Furthermore, an integrated pumping device enhances circulation and cooling, providing robust sealing solutions for demanding operating conditions. The H75VK double mechanical seal is suitable for pressure reversals.


  • Advantages of H75VK Mechanical Seal Dual Cartridge Seal for Pumps

    • Universally applicable both for retrofits or original equipment

    • Efficient stock-keeping due to standardized components

    • Extended selection of materials

    • Extended field of operation in terms of temperature and pressure

    • Metal parts also in special materials available

    • Safe operation due to metal torque transmission at the rotating seal face


  • Diagram of H75VK Mechanical Seal Dual Cartridge Seal for Pumps


  • Applications of H75VK Mechanical Seal Dual Cartridge Seal for Pumps

    The H75VK mechanical seal is widely suited for critical applications across the oil and gas industry, refining technology, petrochemical industry, and power plant technology. It provides reliable sealing for light volatile and highly viscous hydrocarbons. This dual cartridge seal can be used for API 610/ISO 13709 pumps and general process pumps in demanding operational environments.

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