CHECK VALVE [SKYACTIV-D 2.2]


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Purpose, Function

•  Introduces vacuum in the vacuum pump to the vacuum chamber and prevents pressure leakage from the vacuum chamber.

Construction

•  The check valve is installed to the vacuum pipe bracket on the side of the turbocharger.

ATX

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MTX

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•  The check valve consists of the body, cover, and umbrella seal.
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•  A one-way valve is integrated in the check valve.

Operation

•  The one-way valve opens by the vacuum from the vacuum pump to introduce vacuum to the vacuum chamber.
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•  Pressure from the vacuum chamber does not leak because of the one-way valve effect.