Valve apparatus, integrated assembly, and valve apparatus manufacturing method

A valve apparatus, comprising a valve body assembly and a valve core, wherein at least a portion of the valve core is located in an accommodation cavity of the valve body assembly, and the valve core has a communication channel;

• the valve body assembly comprises a first housing;
• the first housing comprises an inner side wall, at least a portion of the inner side wall faces the valve core, the valve apparatus comprises a first sealing member, which is fixedly connected to the inner side wall, the first housing has a first communication opening, at least a portion of the first sealing member surrounds the first communication opening, and the communication channel is allowed to be in communication with the first communication opening;
• and/or, the first housing comprises an outer side wall, the valve apparatus comprises a second sealing member, which is fixedly connected to the outer side wall, the first housing has a second communication opening, at least a portion of the second sealing member surrounds the second communication opening, and the communication channel is allowed to be in communication with the second communication opening.