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

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