Mechanical seal

OZ201S2E- Double-Face Papermaking and Pulp Mechanical Seal

OZ201S2E Double-Face Mechanical Seal, suitable for Sulzer ® Pumps – a dedicated solution for the AHLSTAR series pumps.

OZ201S2E- Double-Face Papermaking and Pulp Mechanical Seal

The OZ201S2E double-face mechanical seal is a double-balanced seal specifically designed for the pulp and paper industry and other demanding pulp-related applications. This type of seal is commonly used in pulp mill cooking, evaporation, and caustic facilities for pumping abrasive and environmentally hazardous liquids. It is designed with a dual-balancing function and pressurized dual ED facial seals, allowing it to be used as a non-pressurized dual-end facial device.OZ201S2E double-face mechanical seal is specifically designed for Sulzer® Designed for the App series of pumps.


Key Features

● Fixed actuator with sealing and balanced design.

● A single spring compensation structure has a larger axial displacement.

● Suitable for critical applications, such as pulp and paper mills, evaporation, and certain environmentally hazardous liquid applications, can be used in plans 52, 53A, 54.

●The shaft diameters are 30, 40, 50, 60, 80, 90, etc.

● Applicable to Sulzer® AppChamber。

● Modular design, suitable for harsh media conditions, used in pulp mill cooking, evaporation, and incineration facilities for grinding and pumping environmentally hazardous liquids.


Assembly diagram



Technical specifications

  • Pump head

  • Product materials

    316SS

  • Temperature range

    -20℃~+180℃

  • Pressure

    0~20bar

  • Traffic

  • Application

    Suitable for Sulzer ® Pumps – Specialized Solutions for AHLSTAR Series Pumps

  • speed

    Up to 20 m/s

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