In the past, the pipes used for water supply were mainly cast iron pipes. Sand cast iron pipes are mainly used outdoors, and galvanized cast iron pipes are used indoors. However, after a few years of use, it is easy to produce a large amount of rust, breed bacteria, and seriously endanger human health. The state has stipulated the elimination of sand casting pipes and cold-dip galvanized cast iron pipes from June 1, 2000, gradually restricting the use of hot-dip cast iron pipes, and promoting the use of aluminum-plastic composite pipes and new plastic pipes. So, what is the best quality water pipe ? For friends who have needs in this regard, it is inevitable that there will be doubts of one kind or another. Don't worry, let's follow me to learn about the best knowledge about the quality of water pipes .
What is the best quality water pipe
Decoration workers strongly recommend: PPR pipe of Netcom pipe industry is of good quality, easy to install, and the agency policy is more adequate, whether it is home improvement, or engineering pipe, municipal pipe, water pipe, water pipe pipe network pipe industry are all First choice, complete specifications, and quality assurance.
Which drainage pipe is good
Famous brands of drainage pipes are: Netcom Pipe Industry, Jinchao, Weixing, Rifeng. All are the top ten brands of Chinese pipes and well-known trademarks in China.
How to check the water leaking at home
1. Turn off all faucets, showers, washing machine faucets, toilet and squat toilet faucets, etc.
2. Open the water meter valve to the maximum.
3. Wipe the water meter cover carefully and observe carefully for about 15 minutes to see whether the water meter is rotating in the positive direction and whether the water meter degree has increased. If the water meter does not move and the reading does not increase, there is no water leakage in the water system. Otherwise, it is leaking.
What kind of decoration water pipe is good
At present, this water pipe in the water supply market can be roughly divided into the following types: One is the most commonly used PPR water pipe. There are also aluminum-plastic pipes, PERT pipes, PB pipes, galvanized pipes, and even copper pipes. Among them, the PPR tube has a relatively large market share and is more mainstream. For the quality requirements of PPR pipes, the thickness cannot be less than 2.8. The cold water pipe should not be lower than 2.3.
At present, for home improvement, if the hot and cold water pipes are mixed, hot water pipes will be used uniformly. After the PPR pipe hot water pipe is thickened, it can ensure a kind of stability, and it is not easy to be damaged in the future cold and heat exchange.
The biggest advantage of PPR pipe is that its pipe and pipe fittings are hot-melted. After the heat-melting, the pipe and pipe fittings are integrated into one body. This kind of pipe is directly buried in the ground or in the wall, and the risk in the later stage is almost very small. Other tubes, like aluminum-plastic tubes, are of good quality.
How to choose a good water pipe
Smell: Smell the water pipe for odor. Parallel pipes are often mixed with recycled toxic plastics, which often smell pungent.
Second look: take a look at the color, thickness, gloss of the water pipe, whether the outer wall of the pipe is marked with trademark, specifications, temperature, pressure, production batch number, date of production, and actual place of production. The aluminum-plastic pipe also depends on the thickness and uniformity of the aluminum layer. See if there is a sanitation permit. Water pipes without sanitation permits cannot be used for drinking water pipes.
Three attentions: First, we must pay attention to the formal agency purchases with authorized sales of tubes; second, we must pay attention to whether the purchased tubes and fittings are produced by the same manufacturer; third, we must pay for product service cards.
Water pipe size
Divide 1 inch into 8 equal parts: 1/8 1/4 3/8 1/2 5/8 3/4 7/8 inches. It is equivalent to 1 to 7 in general.
The smaller size is represented by 1/16, 1/32, 1/64, and the unit is still inches. If the denominator and numerator can be reduced (for example, the numerator is 2, 4, 8, 16, 32), it should be reduced.
Inch means to put two apostrophes in the upper right corner, such as 1/2 "
For example, the water pipe of DN25 (25mm, the same below) is an inch 1 "water pipe, and it is also an 8-point water pipe before liberation.
The DN15 water pipe is the 1/2 inch water pipe in the English system, and it is also a 4 minute water pipe before liberation.
For example, the water pipe of DN20 is a 3/4 "water pipe made in England, and it is also a 6-point water pipe before liberation.
1. Size:
DN15 (4 branch), DN20 (6 branch), DN25 (1 inch tube), DN32 (1 inch 2 tube), DN40 (1 inch half tube), DN50 (2 inch tube), DN65 (2 inch half tube), DN80 (3 inch tube), DN100 (4 inch tube), DN125 (5 inch tube), DN150 (6 inch tube), DN200 (8 inch tube), DN250 (10 inch tube), etc.
2. Standard:
There are two types of imperial standards and international standards.
3. Material:
There are many materials, according to different needs.
1. Plastic tube:
There are PVC, UPVC, PPR, PPR steady-state plastic aluminum alloy, aluminum-plastic tube, glass tube, PE tube, etc.
2. Metal tube:
Galvanized pipe, stainless steel pipe, stainless steel lined plastic pipe, thin-walled stainless steel pipe, galvanized plastic pipe, copper pipe, cast iron pipe, etc.
Discrimination 2: Construction and installation of gantry
Many consumers think that as long as the water pipe is selected, the construction and installation of the water pipe should not be taken lightly. Inadvertent installation of water pipes will leave a lot of trouble. In particular, some buried water pipes should be carefully stolen by construction workers for beams and columns. Therefore, the regular construction team and subsequent inspection results should be treated with caution.
Discrimination 3: Leakage in pipelines to find lesions
Water leaking from the water pipe is an annoyance, ranging from affecting the construction period to breaking the wall. The loss is heavy. If you encounter such a thing, you must calm down and see if there are the following reasons: whether you can buy authentic water pipes; whether the pipe fittings are used together; whether the cold and hot water are mixed; whether the installation is in place.
Discrimination 4: convenient maintenance and reconstruction
When it comes to pipelines that need to be repaired and modified, it is best to choose a water pipe that is convenient and easy to maintain, which is conducive to the development of the project and the convenience of subsequent work. In particular, maintenance and reconstruction affects the safety of the entire pipeline, so more care must be taken in construction and selection of water pipes. For future convenience, it is best to choose a water pipe with a relatively long service life.
Identification 5: Long-term after-sales service
Water pipes are related to the relatively large hidden projects of the entire family, and the frequency and time of use are relatively long. Therefore, the after-sales service of water pipes cannot be ignored. Consumers cannot afford to buy water pipes without written commitments. General brand pipes have perfect after-sales service. For example, the well-known Dikang and Pilsa have a 50-year quality guarantee, which is equivalent to the life of the building. The manufacturer is responsible for all compensation for the loss. Only with such a commitment can consumers be assured of buying, buying comfort, and satisfaction.
Editor's summary: The above is the introduction of relevant knowledge about the best way to identify the quality of water pipes, and I hope to help friends who have needs in this regard! For more related information, please continue to follow our website, and more exciting content will be presented in the future. You can also go to Qijia Mall to buy your favorite products!
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