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balanced double cartridge seal


Huhnseal BA-AP is a balanced double cartridge seal. This seals is specially designed for Sulzer APP pumps. It is typically used on pumps transporting abrasive and environmentally hazardous liquids in cooking and evaporation facilities in pulp mills. The BA-AP ensures reliable and long-lasting operation under the most demanding conditions.


• Specially designed for Sulzer APP pumps

    - Easy installation reduces risk of human error

    - No measurements required for installation

• Robust and double balanced design

    - Allows usage of both pressurized and non-pressurized seal water

• Springs outside buffer fluid

    -  Prevents clogging of seal

• Axial movement ±3mm

    - Necessary if shaft has large axial clearance

    - Heat expansion of shaft does not impact on spring load

• Shaft sleeve clamped against the shaft shoulder, no stop screws

    - Contributes to safe operation

• Large buffer volume

    - Provides for excellent cooling

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