According to the distinction between cold and heat, the triangle valve is divided into two types: "cold" and "hot" (identified by blue and red signs). Most of the materials of the heating and cooling triangle valves in the same model are the same, and there is no essential difference. The main purpose of distinguishing between cold and warm is : The hot and cold sign is mainly used to distinguish which is hot water and which is cold water. Only some low-end slow-opening triangle valves are rubber ring spools. The rubber ring material cannot withstand 90 degree hot water and needs to be divided into hot and cold. The triangle valve is divided into two types according to the opening mode: "quick opening" and "slow opening". Quick opening refers to the rapid opening and closing of the valve at 90 degrees. Slow opening refers to the 360-degree non-stop rotation of the angle valve handle to open and close the valve. Now basically use quick opening. The size of the triangle valve: 3/8 means 3 points, which can be connected to a 3-point water pipe (usually used for a 3-point hard pipe on the inlet faucet). 1/2 refers to 4 points, which can be connected to 4 points of water pipes (usually used for faucets, toilets, 4-point water heaters, bathtubs, overall shower rooms and shower screens, which are generally used in households, and 1/2) 3/4 (straight valve) refers to a 6-point water pipe that can be connected to a 6-point water pipe (the 6-point right-angle triangle valve is rarely used in general households.
Common triangular valves in home improvement: the valve for the flushing bucket under the toilet, the water heater, the kitchen water supply, the toilet water supply, the toilet water supply, and the concealed pipe port in the wall, which was mostly a plug before. To remove the plug, you need to install a triangle valve. Generally, households who take the concealed water supply system need three to five.