International Processing Trade Fair for Powder, Bulk Solids, Fluids and Liquids

23 - 25 September 2025 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2023
Zoom Image LOGO_Chamber Shaft Seal RotaSeal GD-2

Chamber Shaft Seal RotaSeal GD-2

LOGO_Chamber Shaft Seal RotaSeal GD-2

Chamber Shaft Seal RotaSeal GD-2

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Chamber Shaft Seal RotaSeal GD-2

Chamber Shaft Seal

The shaft seal of our production range GD-2 is a shaft seal in a split case. The applied seal rings are threepiece, radially cut and are radially movable within the housing. Because of the split housing, the installation respectively dismounting is considerably simplified. Special assembly handholds make the handling of big seals much easier. Corresponding mounting threads are foreseen in the housings of bigger dimensions. The layout of the seal, the materials of both housing and seal ring can be adapted to the various operating conditions. The seal rings can be supplied in several PTFE compounds (PTFE with filler materials) as well as in various qualities of artificial carbon.

The shaft seal TEDIMA RotaSeal GD-2 is recommended for applications in fans, blowers, compressors, mixing units, centrifuges, gears, steam turbines etc.The application field ranges from high vacuum up to pressures of 30 bar, from slowly rotating shafts up to 150 m/s sliding speed, from operating temperatures of -190°C up to 600°C, from media like pure air up to high-toxic and/or abrasive gases.

The available materials for the seal rings are especially designed for dry running and hence do not need any additional lubrication. So to increase the leak tightness the grease barriers of various seals in the low-pressure version can be activated. Suitable grease types are listed under ‘useful accessories’. In addition, synthetic PTFE grease is available, which is applicable for high chemical requirements. Activating the grease barriers, however, is merely recommendable with low pressures (up to approx. 1.5 bar and with temperatures of max. 300°C).

POWTECH offers concrete solutions for packaging-intensive industries. Industry guide


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