The triangle valve is divided into two types: "cold" and "hot" according to the distinction between cold and heat (distinguished by blue and red signs). Most of the cooling and heating triangle valves in the same model of the same manufacturer are the same, and there is no essential difference. The main purpose of distinguishing between cold and warm Yes: hot and cold signs, mainly to distinguish which is hot water and which is cold water. Only some low-grade slow-opening triangle valves are rubber-ring spools. According to the opening method, the triangle valve can be divided into two types: "quick open" and "slow open". Quick opening refers to the rapid opening and closing of the valve by 90 degrees. Slow opening refers to 360 degrees of non-stop rotation of the angle valve handle to open and close the valve. Now basically use the quick-opening triangle valve.
