FIELD: physics; protection systems.
SUBSTANCE: invention also relates to system for protection of reservoir against overfilling. Flow regulator comprises valve body defining fluid bypass channel arranged between fluid inlet and fluid outlet and piston assembly arranged inside fluid bypass channel. Piston assembly comprises piston support to which piston is attached. Piston support comprises a liquid sampling channel configured to pass fluid under pressure from the fluid inlet to the piston surface upstream, pushed to open the liquid outlet. Float valve control unit comprises casing of float assembly, made with possibility of attachment inside reservoir for filling with fluid through flow regulator. Float check valve comprises auxiliary valve and auxiliary control channel with fluid connection with flow regulator.
EFFECT: auxiliary valve is operatively connected to float element closing auxiliary control channel at flooding of float case, causing closing of flow regulator.
17 cl, 26 dwg
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