Device for closing off large pipelines

Details Device for closing off large pipelines Device for closing off large pipelines

1992-03-05

1993-08-10

Fox, John C.

Valves and valve actuation

Mechanical movement actuator

Linkage

251304, F16K 122

Patent

active

052341950

ABSTRACT:
Device for closing off large pipelines, particularly hot gas pipelines, having at least one pivoted flap, the flap shaft of which is mounted for turning by a drive on a frame. The flap shaft is rotated by a double-armed swing lever connected to the flap shaft. The swing lever has two arms upon which actuating elements pivotally act. The swing lever is connected to the flap shaft through at least one intermediate element so that the swing lever is movable in a plane extending perpendicular to the axis of the flap shaft.

REFERENCES:
patent: 3877677 (1975-04-01), Daghe et al.
patent: 4099702 (1978-07-01), Temple

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