Mechanical seal assembly with flushing means

Details Mechanical seal assembly with flushing means Mechanical seal assembly with flushing means

1977-11-23

1978-12-19

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 24, 277 59, 277 65, 277 88, 3081871, F16J 1536

Patent

active

041302877

ABSTRACT:
A reliable, long-wearing mechanical seal for a shaft entering a vessel is prepared employing two bellows seals in tandem and providing a path for a flushing fluid between the bellows seals.

REFERENCES:
patent: 2688520 (1954-09-01), Covington
patent: 2723868 (1955-11-01), Hartranft
patent: 3484113 (1969-12-01), Moore
patent: 3643964 (1972-02-01), Snelling et al.
patent: 3943717 (1976-03-01), Schexnayder
patent: 4062549 (1977-12-01), Kemp
patent: 4071253 (1978-01-01), Heinen et al.

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