Internal live loading packing gland

Details Internal live loading packing gland Internal live loading packing gland

1994-01-13

1994-10-18

Gutierrez, Diego F. F.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 9, 277105, 277126, F16J 1518

Patent

active

053561570

ABSTRACT:
Live loading is applied on each end of both the secondary and the primary packing of a packing gland. After installing the primary packing assembly and a lantern ring, the primary packing is compressed to proper specifications. While the primary gland is so compressed, it is locked into place using lantern ring lock bolts. The secondary packing assembly and a follower are then installed. The secondary gland is also compressed to proper specifications and the follower secured in place. The lantern ring lock bolts are then removed, both internally and externally live loading the packing gland. A single assembly of the present live loaded packing can also be installed in the gland from the process side, eliminating the need for purging and resulting in a most efficient purgeless gland.

REFERENCES:
patent: 3432172 (1969-03-01), Hendrickson
patent: 4328974 (1982-05-01), White et al.
patent: 4451047 (1984-05-01), Herd et al.
patent: 4899899 (1990-02-01), Junier

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