The working principle of domestic water pipe faucets is: through the rotation of the valve stem, the T thread is moved to realize the opening and closing of the tap hole. water. As the rod rotates, engage the threads. The sealing end of the valve core enters or exits when it enters, it has the function of closing, and when it returns, it has the function of discharging water.
Taps are divided according to their structure and can be divided into single, double and triple taps. Additionally, there are single handles and double handles. Single connection type can be connected to cold water pipes or hot water pipes; the double connection type can be connected to hot and cold pipes at the same time and is mainly used for faucets of bathroom basins and kitchen sinks with hot water. water supply.
Besides stupidconnect the two hot and cold water pipes, the triple type can also be connected to the shower head, which is mainly used for the bathtub faucet. A single-handle faucet can adjust the hot and cold water temperature with a single handle, while a double-handle faucet requires adjusting the cold water pipe and hot water pipe separately to adjust the temperature some water.
Detailed information
Purchase method:
1. Look at the brightness
The surface of a good faucet is chrome-plated. The know-how is very specific and generally requires several steps. The quality of a faucet depends on its brightness. The smoother and shinier the surface, the better the quality.
2. Turn the handle
When a good faucet turns the handle, there is no excess space between the faucet and the switch, and it can be opened and closed easily without slipping. But the robinLow-quality ets not only have large gaps, but also appear blocked.
3. Listen to the sound
The material of the faucet is the most difficult to distinguish. A good faucet is molded in one piece and makes a dull sound when tapped. If the sound is very fragile, it should be made of lower quality stainless steel. It contains more iron elements and the quality will be one grade lower.
4. Identify the brand
If you really can't tell the difference, you can choose a more formal brand. Generally, ordinary products have the manufacturer's brand logo, but some informal products or low-quality products often have only a few paper labels or no brands at all, so be sure to be attentive when purchasing. purchase.
Not necessarily.
The amount of water that will flow after forgetting to turn off the tap duringt 12 hours generally depends on the size of the faucet and the water outlet pressure, as well as the thickness of the pipe and the local water bill. What is the unit price Because the unit price of tap water varies by region.
If it is a tap water faucet used in ordinary households, about 30 kilograms of tap water will flow out in two minutes, nine thousand kilograms of tap water faucet will flow in one hour and one hundred and eight thousand kilograms will flow in twelve hours. Jin of tap water, or fifty-four tons of water. If the local water tax is 3.5 yuan, then after multiplying the tonnage of tap water by the unit price of water tax, you can know that. you need to pay water fee of 189 yuan.