To provide a fuel shutoff valve 10 which is simple in the assembly structure to a casing 20 and high in the surface accuracy of a seal part.
The fuel shutoff valve 10 comprises the casing 20, a float 51, a pressure regulating valve 80, and a seal part forming body 84. The seal part forming body 84 comprises a connection passage 84c, and further comprises a first seal part 84d with a seat part 55a of the float 51 being attached/detached thereto/therefrom facing the connection passage 84c, and a second seal part 84e with a ball valve 86 of the pressure regulating valve 80 being attached/detached thereto/therefrom. The seal part forming body 84 is assembled to the casing 20 by engaging a fixed claw 85 with a fixing hole 82c at the position exposed to an external communication passage 42a.
COPYRIGHT: (C)2008,JPO&INPIT
NISHI HIROSHI