•  The rollover valve prevents fuel flow into the evaporative gas passage during sudden cornering or vehicle rollover.

•  The rollover valve is built into the fuel tank.

Fuel tank type A

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Fuel tank type B

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•  The rollover valve consists of a float, O-ring and spring.

Rollover valve type A

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Rollover valve type B

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•  The rollover valve utilizes a combination of float weight, spring force, and buoyancy. When the float is immersed in the fuel, the float (valve) closes to block the sealing surface of the passage.

Rollover valve type A

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Rollover valve type B

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