Zigong Zhaoqiang Sealing Products Industrial Co., Ltd.

Type 4620 Double Cartridge Mechanical Seal for Pumps

Shaft Diameter: 1.00”-2.75”

Temperature: -50 °C-204℃

Pressure: ≤20bar

Linear Velocity: ≤23 m/s


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Category: Mechanical Seals For Pumps
  • Structure Features of Type 4620 Double Cartridge Mechanical Seal for Pumps

    The Type 4620P dual cartridge seal brings a new era of affordability to fluid sealing with assured dependability. It's the complete solution for sealing satisfaction in general industrial applications.



    • Dual seal arrangement — incorporates an elastomer O-ring as the dynamic secondary sealing member

    • Inboard primary and mating ring reverse balance design allows for ID or OD pressurization, permitting the dual seal to operate as an unpressurized tandem or pressurized double seal

    • Increased cooling flow and face lubrication, greatly extending seal life

    • Cartridge design with factory-preset and pressure-tested assembly

    • The only dual cartridge design with a centering ring eliminating need for external setting clips


  • Diagram of Type 4620 Double Cartridge Mechanical Seal for Pumps

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  • Applications of Type 4620 Double Cartridge Mechanical Seal for Pumps

    Type 4620 dual cartridge mechanical seal meets key industry pump standards and is designed to permit use in rotating shaft equipment, including ANSI/DIN pumps, close-coupled pumps, vertical pumps. It can also be used for process pumps, mixer and agitators.


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