SHUTOFF ASSEMBLY ''IGR'' Russian patent published in 2012 - IPC F16K3/02 F16K11/22 F16K31/53

Abstract RU 2463505 C1

FIELD: machine building.

SUBSTANCE: shutoff assembly comprises body with through opening, inlet and outlet branch pipes with seats and sliding flat main and protective valves furnished with racks in direction of work travel, spindle with drive gear wheels arranged perpendicular to sliding valve work travel. Spindle and sliding valves are provided with automatic shifter of spindle gear wheels to displace in turns main and protective sliding valves in shutting off the through opening.

EFFECT: higher reliability.

3 dwg

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RU 2 463 505 C1

Authors

Karelin Igor' Nikolaevich

Karelina Natal'Ja Sergeevna

Dates

2012-10-10—Published

2011-06-01—Filed