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List of contents for this article:
- 1、What pipes are used in the sewer?
- 2、Can I use a 75 PC pipe to drain water in one bathroom?
- 3、Plastic pipes that will hurt you by using soda to open the sewer?
- 4、Urgently ask the electrician what pipe is the PC threading pipe!
What pipes are used in the sewer?
1. Sewer pipes are divided into two categories: civil residential and municipal pipe networks according to the use scenarios. The mainstream adaptation materials are PVC-U, HDPE, ductile iron pipes, FRP sand pipes and anti-corrosion steel pipes. Different materials correspond to different use requirements and scenarios Commonly used pipes in civil residences (1) PVC-U rigid polyvinyl chloride pipes Application scenarios: Indoor daily sewage discharge, the maximum tolerance temperature does not exceed 40℃, and it is strictly prohibited to discharge hot water, strong acid and strong alkali industrial wastewater.
2. Sewer pipes need to be matched and selected according to the use scenarios, drainage medium characteristics, and installation and construction conditions. Priority should be given to meeting the requirements of corrosion resistance, ring rigidity, impact resistance and long-term service life. The mainstream selection of polyvinyl chloride pipes for civil building drainage is low in cost, light in single tube weight, does not require large equipment for installation, is resistant to conventional domestic sewage corrosion, and covers a diameter of 50mm to 300 mm.
3. Nowadays, HDPE double bellows are more commonly used, which is easy to install, light in weight, strong and durable, with bright inner walls and good circulation capacity. If you want a cheaper one, you can consider PVC. After installation, you can fill it with fine soil, and the road surface layer Once it is done, it will be okay to pass the car.

Can I use a 75 PC pipe to drain water in one bathroom?
In the sewer system of a bathroom, if it is a drainage branch pipe connecting the floor drain and the sink, a 75 PVC pipe can be used, which is not easy to block. However, the section bent upward is best to use a 75 to 50 interface to connect, so that the section on the ground is a 50 pipe. Since the size of the 50 pipe is relatively moderate, if the 75 pipe is also used on the ground, it will look too big and affect the appearance.
Secondary drainage in toilets generally uses PVC pipes with a diameter of 50 mm (2-inch pipe) or 75 mm (3-inch pipe). The specific selection needs to be comprehensively judged based on the toilet drainage requirements, usage scenarios and building specifications. The following is a detailed description: 50 mm (2-inch pipe) Application scenarios This specification of pipes is suitable for toilets with small drainage, such as home toilets equipped with only a single washbasin or shower area.
Yes, but flushing will be a little slow. It's best to remove the trap underneath so that the flushing effect will be better.
In ordinary family houses, there is no need to change the sewer pipe from 50 to 75, because the sewer pipe from 50 is enough. Even if the kitchen, washing machine, and bathroom in the entire room are drained at the same time, the sewer pipe from 50 is enough. 75 sewer pipes are generally used when there is a lot of water, and only when there is a small factory and public sewer pipes are used.
Plastic pipes that will hurt you by using soda to open the sewer?
Therefore, alkali fire usually does not cause harm to the sewer pipes of plastic pipes, which is one of the reasons why alkali fire is used to clean sewers. Steps to use soda to drain the sewer: First, wear rubber gloves to protect your hands, as soda is corrosive to the skin. Secondly, when purchasing industrial caustic soda, you can choose caustic soda solution or solid caustic soda, usually 100 grams is enough for use. Then, boil a pot of boiling water for later use.
Using soda will not burn the sewer pipe. The following are the specific reasons: Alkaline fire is not corrosive to plastics: Alkaline fire is sodium hydroxide. Although it is highly corrosive, this corrosiveness is mainly aimed at fibers, skin, glass, ceramics and other materials, and is not corrosive to plastics., and sewer pipes are usually made of plastic, so they will not be burned out by alkali fire.
Do not damage sewer pipes (including PVC pipes) and do not damage the plating layer.
Alkaline, also known as sodium hydroxide, is an alkaline substance that does not corrode plastic pipes and therefore does not damage sewer pipes. Alkaline fire can be used in conjunction with hot water to speed up the process of unblocking sewers. When alkali reacts with hot water, it will quickly increase the temperature, causing the dirt in the sewer to dissolve. It should be noted that during the dissolution process, alkali will release a large amount of heat and form a corrosive solution.
Urgently ask the electrician what pipe is the PC threading pipe!
1. The electrical PC threading pipe is polycarbonate pipe. Polycarbonates (PC for short) are high molecular polymers containing carbonate groups in their molecular chains. They can be divided into aliphatic, aromatic, aliphatic-aromatic and other types based on the structure of the ester groups. Among them, aliphatic and aliphatic-aromatic polycarbonates have low mechanical properties, which limits their application in engineering plastics. Only aromatic polycarbonates have been industrially produced. Due to the structural particularity of polycarbonate, it has become the fastest-growing general engineering plastic among the five major engineering plastics.
2. The PC threading tube is made of polycarbonate. Polycarbonate (PC for short) is a polymer containing carbonate groups in its molecular chain. The full name of the threading tube is "insulating electrical casing for buildings". It is a tube used to prevent corrosion and leakage and thread wires. Scope of Use Threading pipes are used in normal indoor environments and in places with high temperatures, dust, vibration and fire hazards. It can also be used in humid places.
3. PC threading pipes are not easy to bend and are generally used for pre-embedding strong and weak current pipelines. PVC threading pipes are easy to bend, and small-diameter pipes are generally used to protect outdoor monitoring, alarm and other lines. Which is better, PVC tubing or PC tubing? PC tubing and PVC tubing have their own advantages in performance and application and need to be selected according to specific needs.
4. PC threading tube is mainly made of polycarbonate material. This high-performance plastic has excellent impact resistance, transparency, toughness and weather resistance, as well as resistance to ultraviolet light. These characteristics allow PC feedthroughs to provide good insulation and protection in electrical wiring. Main Purpose PC threading tubes are widely used in electrical wiring systems in residential, commercial buildings and industrial locations.
5. PC threading tube, a wire threading protective tube made of polycarbonate (PC) as raw material. PC, or polycarbonate, is a polymer material with carbonate groups. This type of threading tube, also known as insulating electrical casing for buildings, has its main function to protect the wires from corrosion, prevent leakage, and ensure that the wires pass smoothly through the building structure.
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