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    ST Series Mixers

    ST reducers are engineered and manufactured specifically to withstand the demanding loads imposed on the drive-by most mixing applications. The large bending moment created by the cantilevered mixing shaft and impeller is largely isolated from the gearing by the unique output bearing arrangement. All helical gearing with exceptional load-carrying capacity ensures a highly efficient and dependable transfer of energy into the process fluid.

    The proven reliability of this drive combined with our extensive process experience allows Hayward Gordon to provide you with a precise, dependable mixing solution – critical for maximum profitability.

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    Designed for small-capacity, tough-duty mixing applications, the ST is a hollow shaft drive for top entry applications.

    Accepts mixing stresses while maintaining accurate gear alignment and resisting corrosion.

    This fully registered adapter ensures fast, positive motor alignment, eliminates hassles with V-belts, sheaves and guards, and simplifies installation with a flexible coupling.

    All-helical gearing is designed for high efficiency and maximum load-carrying capacity with reserve strength rating. All gears are AGMA Quality 10.

    Oil sump is isolated from the output shaft to prevent gear lubricants from leaking and contaminating the product being mixed.

    High-capacity, spherical-roller, mixer shaft bearing isolates impeller loads from gearing and provides high moment capacity. Tapered roller bearings accept high thrust loads in either direction.

    Upper tapered roller bearing and bottom spherical roller bearing are grease lubricated and field re-greasable for easy maintenance. The lower tapered roller bearing is oil-lubricated.

    Sealed, grease-lubricated upper high-speed and intermediate bearings and oil-lubricated lower bearings reduce oil levels, churning and foaming for cooler operation. Large oil capacity also helps keep the unit cooler for maximum life. A magnetic oil drain plug is provided.


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    Our team provides the most complete and comprehensive portfolio of rotating equipment solutions - mixers and pumps - for your application. We are your perfect process partner.

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