Sanitary triangle valve classification
Posted on February 17 2023
The triangle valve is a valve used to change the direction of the water pipe and control the size of the water meteor for bathroom or kitchen water supply. Because it has three ports, the water inlet, the water outlet and the water transfer port, it is called a triangle valve. Most of the nozzles are at right angles, so they are also called angle valves, angle valves, and angled water valves.
The use of triangle valve is very extensive, and there are many types, which can be classified in different ways.
Divided by hot and cold water
It is used in two different environments, cold and hot. In fact, the material structure may be exactly the same, just to distinguish whether it is used for cold water or hot water. Cold water is marked in blue, and hot water is marked in red. Some low-grade angle valves use rubber valve cores, which cannot be used for 90-degree hot water, so they must be used differently during installation.
According to the opening method
Angle valves have two opening methods, quick opening and slow opening. Quick opening only needs 90 degrees to quickly open and close the valve, while slow opening requires 360-degree rotation of the valve handle or handwheel to realize opening or closing. Quick opening is convenient and fast, and it is widely used now. Slow opening is relatively old. The angle valve is basically not used now.
Divide by size
Since the water pipes have different diameters, such as 3-point pipes and 4-point pipes, the diameter of the 3-point pipe is 3/8 inches, and the diameter of the 4-point pipes is 1/2 inch.
Corresponding to the 3-point angle valve and 4-point angle valve.
The water inlet faucet is generally a three-point pipe, using a three-point angle valve.
For faucets, toilets, water heaters, jacuzzi bathtubs, integral shower rooms and shower screens with water outlets on the countertop, 4-point pipes are used in general households, and the corresponding 4-point angle valves are used.
According to the different materials and processes of the spool
The spool is the core of the angle valve, which is directly related to the quality and life of the angle valve.
Commonly used are spherical spool, ceramic spool, ABS (engineering plastics) spool, alloy spool, rubber rotary spool. Because the small foot valve core is not heat-resistant and easy to age, it is very laborious to open and close, and it has been eliminated now. The ceramic spool feels smooth and light, the switch is reliable, wear-resistant, and has a long life. Most of the major bathroom brands use ceramic spools, but the disadvantage is that they are more expensive.
According to the shell material of the triangular valve
There are also many components of the shell material of the angle valve. Generally, it is made of brass, alloy, iron and plastic. Brass is the highest grade, and plastic is the cheapest, but it is not resistant to low temperature and should not be used in cold regions. The high-end angle valves are all made of brass casing and high-quality electroplating technology. They are fashionable, durable, and have various shapes. They are the most popular for home decoration.
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