The valve core is the key to control and regulate the water outlet, and we generally can't see its true face. For the faucet, the quality of the valve core is an important basis for the quality evaluation of the whole faucet, so you must be careful when choosing. There are three kinds of common valve elements: ceramic disc valve element, stainless steel ball and shaft roll valve element.

Ceramic disc valve core
Product features: currently the most widely used, affordable, less polluting, good sealing, wear-resistant, long service life.

Stainless steel ball valve
Product features: it is a kind of high-tech leading valve core, which is generally used by high-end bathroom brands, such as Gaoyi, Jiumu, FRAP, Hengjie, etc. Stainless steel valve core is especially suitable for areas with poor water quality, which will not affect its service life because of water quality; It can also accurately control the water temperature, but the price will be more expensive.

Roller spool
The handle rotates smoothly, the operation is simple and easy, the feel is comfortable and easy, and the aging resistance.
At the time of purchase, choose the faucet with ceramic disc valve core. You can use your index finger and middle finger to gently clamp the handle of the faucet and gently swing it up and down, left and right, to see if it is flexible and does not loosen, and whether it blocks the hand feeling. If not, it indicates that the handle is good and the quality of the faucet spool is qualified.
The above are the matters that should be paid attention to when choosing a faucet. Although the faucet is small, it is also the guarantee of household health water, so you should choose it well.