Shaft Grounding Brushes
Shaft Earthing Brushes

ABS Type Approval
Certification B-568026

Shaft Grounding Brushes from Sohre Turbomachinery

Sohre Turbomachinery® Inc. provides high performance, high reliability bristle type fiber grounding brushes for use in shaft grounding (shaft earthing) of all types of stray electrical shaft currents. The brushes can also be used for instrument signal transmission and generator or electric motor on-line diagnostic work. These brushes are self cleaning, can run dry, partially, or completely submerged in oil.

Installable and serviceable during operation. For damage prevention by measuring and grounding stray currents of any origin in: Turbines, Compressors, Generators, Motors, Gears, Ship Propeller Shafts, or other rotating equipment. Because no maintenance or cleaning is usually necessary, the fiber brushes are especially useful in radiation control areas.

TYPE-L BRUSH

The Type L Brush is a shaft riding brush with roughly the shape of a toothbrush. It is widely used for all kinds of machinery including steam and gas turbines up to about 50 MW rating and higher.

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TYPE-A BRUSH

The Type A Brush is a "plunger" type brush. It is especially suitable for applications, up to 25MW, where access to the rotating shaft is limited such as when retrofitting an existing machine with a brush.

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TYPE-S BRUSH

The Type S Brush is a shaft riding brush similar to the Type L brush but smaller. It too is widely used for all kinds of machinery including steam and gas turbines up to approximately 25 MW rating.

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TYPE-LW BRUSH

The Type LW Brush is a shaft riding brush similar to the Type L and Type S brushes but substantially larger. It is intended for large power station turbines up to 500 MW and higher rating.

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