| 摘要 |
A check valve fo rpreventing fuel flow has a first valve chamber (11) and a second valve chamber (12), which are formed in a valve body the one end of which forms a fixed member (23). A inflow way (11) and another inflow way (14) perpendicular to the way (11) is formed in the first valve chamber, and an outflow way (15) is formed in the second valve chamber. A female screw (18) is formed on the side of the ways and an outlet (17) of the second valve chamber. A supply pipe (20) with a male screw (19), a exhaust pipe and three closing corks (22) are provided for being seated according to the state of the check valve. A valve globe (24) is designed to be inserted and set up in the first and second valve chamber.
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