SHAFT SEAL DEVICE OF PUMP

摘要

PROBLEM TO BE SOLVED: To provide a shaft seal device of a pump capable of preventing a gland packing or a mechanical seal from seizing by racing of a rotating vane by developing an excellent sealing performance capable of preventing pumped fluid from leaking to the outside of the pump. SOLUTION: This shaft seal device of the pump is provided with one or more gland packing or mechanical seals 10. A shaft-contact type seal mechanism 20 is provided adjacent to the gland packing or the mechanical seal 10.