The fuel pressure and fuel pressure regulator



When the engine is working, if the load decreases, open the return valve, the negative pressure of the intake manifold increases, then the pressure acting on the side of the diaphragm spring chamber decreases, under the system oil pressure, the diaphragm moves up and opens the return valve, so that the excess part of the fuel flows back to the gasoline tank through the return pipe from the outlet.

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Delcoribo Motor Products Co., Ltd.

Economic Development Zone, Jinhua, Zhejiang, China

Tel: +86-579-8275-8180

[email protected]

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