FIELD: sealing equipment.
SUBSTANCE: method for production of flexible closed annular high-temperature shaft seal consists in winding bundle of sealing core with subsequent winding on it with the same bundle of outer shell, imparting the required discontinuity to the sealing structure, which minimizes the flow of hot gas to the shaft through the joint of conjugated parts due to dynamic gas flow braking. Tourniquet is made of silica or quartz threads.
EFFECT: shaft seal is operable at temperatures of oxidizing gas flow from 1,000 to 1,500 °C.
1 cl, 6 dwg
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