Control valve

A control valve, comprising a valve body component and a valve core component, wherein the control valve has a valve chamber, at least most of the valve core component is located in the valve chamber, the valve core component is driven to be rotatable;

• the valve body component comprises a side wall portion, the side wall portion is a peripheral wall or at least a part of the peripheral wall of the valve chamber, the valve body component is provided with a communication hole, wherein the control valve further comprises a sealing component, the sealing component is located between the side wall portion and the valve core component, the sealing component comprises an elastic pad and a sealing member, the elastic pad and the sealing member are fixed to form an integral structure, the elastic pad is located between the sealing member and the side wall portion of the valve body component, the sealing member is in contact with the valve core component, a surface of the sealing member in contact with the valve core component is smoother than a surface of the elastic pad in contact with the side wall portion, the control valve has a rotation suppression portion, the rotation suppression portion is integrally formed with or fixedly connected to or in position-limiting connection with an inner surface of the valve body component, and the rotation suppression portion is fitted with the sealing component to limit the sealing component from rotating clockwise or counterclockwise relative to the valve body component.