Answer / krishnamurthy

Gland seal packing is to prevent air-ingress to the
turbine. Basically a steam turbine (condensing type)
operates under vacuum and to maintain this vacuum steam is
used gland seal packing for both front and rear side.

Answer / luis guillermo

In the escape turbines it can be used to prevent air flow
to the outside so it can be improved the efficiency of the
turbine

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