Although the tap is small, it is related to the safety of family drinking water and the health of the people. According to investigations, at present, the main substrate for taps in the domestic market is copper or alloy materials. Some unscrupulous merchants use low-grade lead brass as raw materials to reduce costs. In the surface treatment processes such as electroplating, a large amount of lead is used. , chromium and other heavy metals, and omitting a lead-washing process before leaving the factory, leading to excessive lead, long-term consumption of lead-containing water will pose a threat to the safety and health of our drinking water.
During the renovation of the kitchen, many people are very concerned about large items such as hoods, stoves, and sinks. They do not care about small parts such as faucets. In fact, small items are also important for your kitchen life experience. Just recently, the house was renovated and the faucet was studied for a long time. Some experiences and experiences were shared for reference.
When choosing a kitchen faucet, the question I considered more often was: Can it be used for a long time? Will it pollute the water? Is it inconvenient to use? How many styles do you choose? To solve these problems, we must first understand the structure of the faucet.
The overall structure of the faucet is divided into the valve core, the main body, and the surface layer. The valve core is the part that controls the flow of water in and out. It is the heart of the faucet. Can it be durable if you look at it? The main part is the main component of the faucet, which is the skeleton. Most of the water pollution is the material of this part; the coating is the surface layer of the faucet. Material, the skin of a faucet, is the faucet's face value.
Can you use it for a long time?
Faucets are opened and closed every day. We can't remember how many times a day we switch. So the first question we consider when purchasing is whether it can be used for a long time. When switching, the active part of the faucet is on the spool, so if you want it to use a long time, it depends on the quality of the spool.
The quality of a spool can be judged by seeing if it can withstand long-term, leak-free testing. This test is aimed at the life test of the spool. It is clearly stated in the testing standards of the national faucet that the non-drip test of the switch requires no less than 200,000 switching times. In addition to judging quality from this test index, it is also possible to assess from the sensory point of view that turning the handle up, down, left, and right, with a light, unimpeded feel, indicates good quality.
Currently used in the home, ceramic valve core is the most suitable valve material, it is also widely used by many tap manufacturers. It is the most cost-effective, because it is easy to draw, and at the same time, wear-resisting, hot and cold temperatures can adapt for a long time. Although impurities in the water may cause damage to the ceramic valve core, the quality of tap water used by residents is better, and this factor can basically be ignored.
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Material selection: ceramic valve core, the most cost-effective.
Quality judgement: The non-drip test of the switch requires no less than 200,000 switching times.
Sensory evaluation: Turn the handles up, down, left, and right for a light, unobstructed feel.
304 stainless steel hot and cold water three outlet faucet
This tap is used in Spain SEDAL ceramic valve core, it is said that foreign Spanish SEDAL spool is very popular, quality assurance. And this product's switch non-drip test is higher than the national standard, up to 500,000 switching times. Therefore, from the perspective of service life, there should be some guarantee.
2. Will it pollute the water?
Before the faucets were frequently exposed, lead levels exceeded lead to lead poisoning among residents, causing everyone to start panicking. So when choosing a faucet, I would consider whether it would pollute the water in addition to quality.
To see if the faucet will pollute the water quality, it is necessary to look at the material of the main part that has long been in contact with the tap water.
The material of the main body of the faucet mainly includes cast iron, plastic, zinc alloy, copper alloy and stainless steel.
Cast iron is prone to rust, plastics are prone to ageing, and zinc alloys have poor stability and are prone to bursting. This results in long-term use, so it is not recommended to purchase these three-material faucets.
Currently used in the home, copper alloy is the most suitable main material, because copper ions have a certain bactericidal effect, and bacteria can not produce antibodies, so the copper spout will not breed bacteria on the inner wall, which is no way other materials, This is why many brands now choose copper materials for taps.
Brass in copper alloy is a combination of copper and zinc. Its mechanical properties, as well as its good wear resistance and corrosion resistance make it the first choice for faucet materials. Brass because of the copper content is also divided into many types, most of the current taps are H59 copper, which is 57% copper to 61% of the brass, in fact, some international bathroom brands even use H62 copper Production of faucets, because H62 copper is higher in copper content than H59 copper and has better corrosion resistance.
In addition to copper and zinc, brass also contains traces (less than 0.5%) of lead. When the faucet is exposed to lead poisoning, everyone thinks it is caused by the lead of brass itself, but all those who leave the dose poisoning are jealous. At present, the national standard for the lead content of taps is that as long as the amount of lead does not exceed 5 μg/L, it will not threaten human health. In fact, the standard H59 copper does not need to worry about this problem. The taps on the market that detect excessive levels of lead precipitation are mostly not standard brass. Instead, they are filled with zinc alloys, or with too much impurities or crudely processed scrap. The faucets produced in this way have quality problems.
To completely eliminate lead exposure, there is another option - stainless steel faucets. Nowadays, many brands have begun to develop stainless steel faucets because they can be completely lead-free, but due to the complexity of the process and the lack of antibacterial advantages of copper, it is not currently popular.
Buy TIPS
Material selection: Brass is the most suitable faucet material, with antibacterial effect, among which H59 copper is most suitable, lead content is also qualified, H62 copper lead content is less resistant to corrosion; stainless steel can be lead-free, use 304 food grade Stainless steel, long-term contact with drinking water.
Pollution evaluation: The amount of lead precipitated in the lead content test does not exceed 5 μg/L, which is qualified.
Sensory evaluation: Brass can be identified by the method of estimating weight, brass is heavier and harder, other alternative materials are lighter and softer; stainless steel can be compared with the sensory tank made of food-grade stainless steel.
U-shaped kitchen faucet
L type kitchen faucet
Pull-out with two types of water shower head kitchen faucet
3, is not convenient to use?
Faucet party is not convenient to use, it really affects the quality of life. In the past, the faucets only provided cold water. Every winter, dishwashing and washing dishes became tortured. Later, everyone chose the hot and cold mode. Now, we can have more choices and provide more life. The convenience.
Pull-type copper hot and cold water faucet
This faucet is a ceramic valve core that is subjected to 50w switching tests, body H59 copper, and the overall quality is assured. In addition to the common faucet function, hot and cold options, the faucet can be freely pulled out, so that it can take care of the various positions of the sink and no longer wash the sink by hand. There are also two types of showers: showers and bubbles, and washing dishes does not spill water.
Copper unleaded hot and cold water faucet
This faucet is a ceramic valve body, the main body of copper. In addition to hot and cold options, this product is the biggest feature is folding, folding later when cooking, do not have to worry about always hit the vegetable basket, the outlet can rotate 360 ​​° it, very convenient and practical.
4, Yan value is not high enough
Yes, the faucet is also worth the paint.
The current faucets are too similar. They all have a unified silver and a uniform and smooth surface. Do not the faucets have any more imagination?
After watching the lap down, I personally like the following, but to tell the truth, many faucets that won on the face of value, the requirements for the overall decoration style are relatively high. Please try carefully!
Pull-out faucet
The appearance of this faucet is black bronze with texture, suitable for classical style decoration.
Faucet lead exceeding the standard of people's health is relatively large, after all, every day through the tap to the use of water, so the choice of furniture faucet to use to pay attention to, usually have to diligently some taps clean replacement.
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