What is a bus air conditioning water valve

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What is a bus air conditioning water valve 2020-12-07

A bus air-conditioning heater valve, used for the cooling and heating control of the automobile air-conditioning heating system, including a valve body, a valve cover, a valve plate and a vacuum bellows assembly; the vacuum bellows assembly is fixed to the valve body; the valve body is a four-way pipe Road structure, on which are arranged drain pipe, water outlet pipe, cold water inlet pipe, the upper part is connected to the valve cover, the valve cover is connected with the warm water inlet pipe, the valve cover and the valve body are sealed and fixedly connected; a valve stem is arranged in the center of the valve body, The part of the valve stem that extends out of the valve body is curved, and the end of the curved part is sleeved with the connecting rod of the vacuum diaphragm assembly.

The valve stem rotates with the change of the vacuum degree of the vacuum diaphragm; a valve plate is fixed on the valve stem , The valve plate is an elliptical metal plate whose shape and size match the inner wall of the valve body. With the rotation of the valve stem, it adjusts the cooling and heating of the outlet water and plays the role of cooling and heating. The utility model has the characteristics of simple structure, easy processing, low cost, reliable action, and can change the direction and position of pipelines according to different installation positions, and is convenient to install.

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