Gate valve

Details Gate valve Gate valve

1984-01-13

1985-03-19

Nilson, Robert G.

Valves and valve actuation

Reciprocating valve

Gate

F16K 3314, F16K 300

Patent

active

045054525

ABSTRACT:
A gate valve for a pipeline has a housing with butt pipes which define a passage with the pipeline and a gate having a hole and engageable with a butt pipe for shutting-off the passage. The gate is connected at its ends to ends of drive rods accommodated in the housing. The gate and each of the rods have equal areas taken in cross-sections perpendicular to the axis of the rods. The ends of the gate and the ends of the rods connected thereto have shaped end faces facing toward each other and designed for the passage inside the housing of solid particles of a fluid being conveyed during reciprocations of the gate from a space partially occupied by the gate to a space being left by the rod adjacent thereto, and also from a space occupied by the other of the rods to a space being left by the part of the gate adjacent thereto.

REFERENCES:
patent: 3026084 (1962-03-01), Bryant
patent: 3188049 (1965-06-01), Zawacki et al.
patent: 3347261 (1967-10-01), Yancey
patent: 3533598 (1970-10-01), Tillman
patent: 4230299 (1980-10-01), Pierce
patent: 4281819 (1981-08-01), Linder

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