Jet Engine Test Cell Door Seals

To more effectively suppress noise, jet engine test cells can be equipped with Pawling Pneuma-Seals which can be either mounted on the door for radial expansion outward against the opening to the cell, or mounted on the face of the cell for axial expansion against the back of the closed door. Not only do these seals dampen the noise, they also control the pressure differential between the inside of the cell and the outside ambient conditions.

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