| 主权项 |
1. A flow path switching valve comprising:
a housing including a plurality of connection ports for connecting flow path pipes at an outer surface, and including a space inside; a stator, provided inside the housing, including a port end portion arrangement surface that forms a part of an inner wall surface of the housing and where a plurality of holes that communicate with the connection ports are arranged; a rotor, arranged inside the housing, including a flow path connection surface that is in contact with the port end portion arrangement surface of the stator while maintaining fluid tightness and to which a groove for selectively connecting the holes arranged at the port end portion arrangement surface is formed; and a rotor driving section for rotating the rotor, wherein at least one of the port end portion arrangement surface and the flow path connection surface is coated with a resin film having chemical resistance and slidability. |
