FIELD: machine building.
SUBSTANCE: proposed device comprises valve with inlet and outlet, and opening arranged between said inlet and outlet, and actuator. The latter is coupled with valve and comprises valve plate arranged in vale to displace between closed position, operating position, and safety position. Besides, device comprises cartridge arranged in valve and provided with cylindrical first part adjoining opening, second cylindrical part adjoining actuator, and part with channel arranged between first part and valve outlet. Note here that cartridge first part features inner size that allows receiving, at least, part of valve plate when the latter stays in operating position so that valve plate and cartridge allows fluid to flow from opening into outlet and from actuator.
EFFECT: higher efficiency.
25 cl, 7 dwg
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