Siphon Drain Installation Procedures and Precautions
For example, in a water tank with water, put one end of the tube in water, and the other end hangs naturally in the cylinder, use the mouth to inhale at this end for a while, then loosen the mouth, then the Water will flow from the tube. Because the tube is curved, like a rainbow, it can also play a role in absorbing water. It is called siphoning. The working principle of siphon drainage and flush toilet is the same. Siphon drainage is a drainage method for building roof drainage, and plays an important role in the drainage of rainwater from buildings, especially large buildings and art buildings. Of course, the installation of siphon drains also has a lot of stress. Let's take a look at the correct way to install the lower siphon drain .
What is a siphon drain
Siphon drainage is a kind of drainage method for building roof drainage. It plays an important role in the drainage of rainwater from buildings, especially large buildings and art buildings. Siphon drainage is composed of siphon rainwater buckets, siphon drainage pipes and a fixed system.
There is no special restriction on the use of siphon drains. Plastic pipes can be used. Stainless steel pipes can also be used. The following is the introduction of HDPE pipe fittings. After nearly 20 years of development in China, the production equipment and manufacturing process of HDPE pipe fittings Has reached the advanced level of foreign countries, while the country has also formulated the relevant standards and construction specifications.
HDPE pipe has excellent physical and chemical properties and corrosion resistance. Compared with metal pipe, HDPE pipe also has certain strength, stiffness, flexibility, impact resistance, corrosion resistance, wear resistance and other properties, both at home and abroad. Experience has consistently shown that HDPE pipes are easy and reliable to connect, construction is simple, maintenance is low, service life is long, and economic advantages are obvious.
Stainless steel pipes are also a good choice for siphon drainage pipes. Stainless steel pipes have many advantages, but the price of stainless steel pipes is relatively high, so most of the selection of siphon drainage pipes is HDPE pipes.
Siphon drainage pipe features
1. Rainwater buckets are flexible on the roof, and are more adaptable to the artistic style of modern buildings. It is easy to meet the rainwater discharge from irregular roofs.
2. Large displacement of single bucket, less roof opening, reducing the chance of roof leakage, reducing roof waterproof pressure, and reducing structural loads.
3. The number of drop-pipes is small and the diameter is small, which meets the aesthetic requirements of modern buildings and large-scale landmark buildings, and rain discharge of various large-span roofs and high-rise buildings.
4. The safety of the system is high, and the direction of the pipeline can be set according to needs. It can meet the rainwater discharge of metal roofs in modern shopping malls, supermarkets, factories, warehouses and various network structures without affecting the building functions and the use of space.
5. Under the design flow, the system is full of pipe flow without air vortex, efficient drainage and low noise, and it can perfectly match the acoustic requirements of modern cinemas, theaters, convention centers, old point libraries, and school hospitals.
Siphon drainage pipe installation method
1, according to the requirements of the drawings, combined with the actual situation, according to the measurement of the location of the reservation mouth, drawing processing sketches.
2, according to the sketch of a good pipe size, broken pipe. Fracture should be flush, use a trowel or scraper to remove the inside and outside of the fracture, the outer edge of the angle of 15 °C.
3, before bonding, deal with the socket first insert the test, not all inserted, generally 3/4 depth of the socket, after the test is qualified, use cotton cloth to wipe the water and dust of the socket joint to be clean. If oily, acetone is needed to remove it. Apply the adhesive with a brush, apply the socket, and then apply the socket. Immediately insert it with force. When inserting the adhesive, slightly rotate the socket to facilitate the even distribution of the adhesive. The adhesive can be firmly bonded for about 30-60 minutes.
4. When the drainage pipeline is installed, temporary lead wire hanging can be used for pre-installation. Adjust the coordinates, position, pipeline elevation and slope of the dumping hole to meet the design requirements for bonding, and timely correct the coordinate position and elevation gradient of the dumping mouth. After the adhesive is cured, install the support but do not clamp it tightly. When using metal brackets, rubber gaskets must be placed in contact with the outside diameter of the pipe.
5. The minimum level and the highest level of the drainage riser shall be provided with inspection openings. The center of the inspection opening shall be 1.0 m above the ground.
6. After the pipeline is installed, the pipeline should be plugged in a timely manner, and the module should be blocked according to the specifications. After installation, the pipeline must not be climbed or used for other purposes.
Siphon drainage pipe installation points
During the installation process, the connection between the stainless steel pipe and the steel pipe can be welded, flanged, and grooved. The connection of the cast iron pipe should be clamped as much as possible. Welding, flange connection should be secondary galvanized. Hot-melt butt-welded or fused connections are suitable for HDPE pipes and fittings, and fused connections are suitable for pipes and rainwater hoppers.
Editing Summary: Through the explanation of the above content, I believe that everyone already knows the installation method of siphon drains. Do not underestimate the installation of a drain pipe. If the installation is not in place, water may not be drained properly, and jamming will occur. The situation on the ground, so that the installation of the drainage pipe must be careful, pay attention to some details of the operation, in order to ensure the smooth installation of the drainage pipe without accidents. In life, we must be rigorous and serious about everything we do. Only in this way can we do everything well.
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