Provided is a fluid control device, comprising: a first main body (1)； an outer edge face is provided with a first pipe body (11) and a second pipe body (12)； an inner edge face opposite to the inner end and passing oppositely through said first pipe body is provided with a first groove (13) the outer periphery thereof being configured with a first oil seal (131)； an inner edge face opposite to the inner end and passing oppositely through the second pipe body is provided with a second groove (14), the outer periphery thereof being configured with a second oil seal (141)； a second main body (2), the center of which is provided with a shaft bore (20)； a third groove (21) is provided on the inner edge face of the second main body, the outer periphery thereof being configured with a third oil seal (211)； an air release opening (22) is provided bored on the shaft bore, and a fourth oil seal (221) is provided on the inner edge of same； a rotating main body (3), the edge face at the center having fixed thereon a control assembly (33) provided with a shaft member (30) passing out of the second main body and a rear pivot of the main body； the rotating main body is provided set with a first opening (31) and a second opening (32)； the rotating main body is gripped between the first main body and the second main body, and the first main body and second main body are integrated as one whole body.L'invention concerne un dispositif de commande de fluide, comprenant : un premier corps principal (1) ； une face de bord externe est pourvue d'un premier corps de tuyau (11) et d'un second corps de tuyau (12) ； une face de bord interne en regard de l'extrémité interne et passant à l'opposé à travers ledit premier corps de tuyau est pourvue d'une première rainure (13) dont la périphérie externe est conçue avec un premier joint d'étanchéité à l'huile (131) ； une face de bord interne en regard de l'extrémité interne et passant à l'opposé à travers le second corps de tuyau est pourvue d'une
