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1. Connection between pipes: first plug the conduit and the straight pipe joint into the position, and then use a set wrench.
Continue to tighten the set screw up to the nut.
Abscission. 2. The connection between the pipe and the box: unscrew the claw nut of the threaded joint and place it on the inner wall of the junction box, and use a set wrench to clamp the claw nut and the hexagon nut inside and outside the junction box.
Then connect the conduit with the other end of the threaded fitting, and the process is the same as the connection between the conduit and the straight pipe fitting.
JDG tubes to be exact.
The crimping point of the fastener bolt and the KBG pipe is used for the grounding of the metal steel pipe. The purpose of metal pipe connection is achieved by tightening nails or crimping.
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The connection of the JDG pipe is a tight connection and fixing, and the connecting fittings of the JDG pipe are with set screws (special accessories), and a certain torque must be reached during installation and construction, that is, when screwing, the nut should be screwed until it is dropped, so that the standard torque can be reached. Prevents loosening and ensures a secure connection, eliminating the need for jumper wires.
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Let me use the vernacular, the conduit can be connected with the conduit, and if it can't, it can be linked with accessories.
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The JDG pipe adopts the sleeve tightening type, and the connection method is to tighten the pipe according to the screws on the pipe fittings, so as to achieve a tight connection. (Convenient construction).
The connection method of SC pipe is threaded connection and traditional casing welded connection, and it is necessary to apply anticorrosive paint (troublesome construction).
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JDG pipes should be very wide in wire wiring construction, and there are more and more application scenarios, and the following is a detailed introduction to what the specific uses of JDG pipes are.
JDG pipe is a replacement product to replace various traditional wire conduits such as PVC pipe and SC pipe, and is a breakthrough innovation in the selection of new materials and technologies in the construction electrical field. The JDG pipe uses the crossover grounding wire of galvanized steel pipe and thin-walled steel pipe, which overcomes the shortcomings of the construction mess and large construction loss of the general metal conduit, and also deals with the problems of poor fire resistance and difficult grounding of PVC pipe. Because the cost of JDG pipes has increased compared with general pipes, many parts of the construction are mostly used for inductive wiring, fire wiring and other construction.
How to choose JDG tubes.
1.We need to check whether the pipe body is flat, if the surface of this kind of pipe body has creases or uneven state, it will lead to a short service life and low strength of the pipe, so it must be carefully inspected at the time of purchase.
2.Secondly, we should pay attention to whether the cross-section of the JDG pipe is lubricated, the more lubricated the cross-section, the better the quality of the JDG pipe, and the JDG pipe with non-lubricated cross-section will affect the use and bring trouble to the wiring.
3.In terms of brand, try to choose big brand manufacturers to buy, today's brand battle is fierce, brand good quality and after-sales will have a relative advantage, after the above introduction, I believe we have a specific understanding of how to buy JDG tubes. Choose a regular manufacturer to buy JDG tubes, choose the specifications and types you need, so that you can buy satisfactory products.
The above is the introduction of the use of JDG tubes, I hope it can help you after reading it. JDG pipe is a new type of pipe, which has a good protective effect on wires, and is often used in corrosive environments such as strong acid and strong alkali.
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JDG pipe is a kind of latest conduit for the protection of electrical circuits, the connecting sleeve and its metal accessories are composed of screw tightening connection technology, without crossing grounding, welding and threading, which is the best choice for the special protection pipeline of the insulated wire applied in the open and dark application.
1. JDG pipe is a kind of wire conduit, just like plastic conduit, PVC pipe and PE pipe, 301 or 304 stainless steel and Q235 carbon steel pipe metal conduit, all of which are wire conduits.
2. The JDG pipe is made of galvanized steel pipe and thin-walled steel pipe, which is suitable for the integrated wiring system of intelligent buildings.
3. JDG pipe is a replacement product that replaces various traditional wire conduits such as PVC pipe and SC pipe, and is a breakthrough innovation in the field of building electrical using new materials and technologies.
JDG is a compacted galvanized thin-walled wire pipe, which is connected by the pipe fitting jacking wire to tighten the pipe to achieve a tight connection.
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JDG pipe (sleeved set galvanized steel conduit, rigid metal flat conduit for electrical installation) is a kind of latest conduit for the protection of electrical circuits. The connecting sleeve and its metal accessories are wires and pipes composed of screw tightening connection technology, without cross-grounding, welding and threading, and the appearance is silvery-white or yellow. It is a replacement product to replace all kinds of traditional wire conduits such as PVC pipes and SC pipes, and uses galvanized steel pipes and thin-walled steel pipes to cross the grounding wire, which overcomes the shortcomings of complex construction and large construction loss of ordinary metal conduits, and also solves the problems of poor fire resistance and difficult grounding of PVC pipes.
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When we carry out integrated wiring, we usually use JDG pipes, which are simpler than ordinary metal pipes. In the process of integrated wiring, people usually need to connect JDG pipes and conduits and other items, so what is the connection method of JDG pipes, and then I will briefly introduce it to you.
1. JDG pipe is also known as sleeve tight set galvanized steel conduit, which is a kind of electrical line conduit, and the appearance is mostly silver or yellow. JDG pipe is a breakthrough innovation in the field of building electrical appliances, which overcomes the shortcomings of ordinary metal conduit construction, large loss, poor fire resistance of PVC pipe, and difficult grounding. JDG pipes are mostly used in integrated wiring and other construction.
2. There are two main connection methods for JDG pipes. One is the connection between the straight pipe and the conduit, generally the straight pipe joint has grooves, we insert the two nozzles of the conduit into the groove side of the straight pipe joint, so that the joint of the conduit joint and the straight pipe can be plugged and positioned. There are usually threaded holes at both ends of the pipe joint, we put the set screw into the threaded hole, there is a "neck" at the tightening end of the screw, and we tighten the screw with a set wrench until we break the "neck".
3. Another connection method of JDG pipe is the connection between the pipe and the junction box. Usually the end of the JDG pipe and the wiring and connection, there is a claw nut and a hex nut, we screw the claw nut down first, and then put it on the inner wall surface of the junction box. Next, tighten the claw nut and hexagon nut, respectively, so that the tube and junction box are clamped inside and out.
Finally, we will connect the joints of the conduit and the straight pipe according to the method of tube and tube connection.
When you choose a JDG pipe, don't confuse it with a KBG pipe, generally the wall of the KBG pipe will be thinner, and its connection method is different from the JDG pipe.
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JDG pipe is a kind of sleeved and tightened galvanized steel conduit, a rigid metal flat conduit for electrical installation, and a new type of protective conduit for electrical circuits, which is mostly used for the construction of integrated wiring and fire wiring. It overcomes the shortcomings of complex construction and large construction loss of ordinary metal conduit. Hope mine can help you.
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What is a JDG tube (introduction):
JDG pipe is a kind of conduit for the latest protection of electrical circuits. Connecting sleeve and its metal accessories, using screw tightening connection technology to form a wire pipeline, do not need to do cross-grounding, welding and threading, the appearance color is silver-white or yellow, is the best choice for the special protection pipeline of open and dark insulated wires.
<>What is the difference between JDG pipe and KBG pipe (easy to understand explanation):
1. The JDG pipe is a little thicker than the KBG pipe, the thickest JDG pipe is, and the thickest KBG pipe is 2. The JDG pipe is directly connected with the screw, and the KBG pipe is crimped with crimping pliers to achieve crimping and tightening.
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In fact, JDG metal conduit undergoes a hot-dip galvanizing process, that is, the conduit itself is immersed in molten zinc to obtain the protective appearance of metallic zinc coating. When it comes to the principle of hot-dip galvanizing, we must start with the chemistry we have learned. As we all know, zinc can resist the erosion of corrosive substances very well, and the formation process of this hot-dip galvanized layer is to use the alloy formed by the iron matrix and the zinc layer to combine iron and zinc well, so that the JDG metal threading pipe has the advantages of dense coating and no organic doping, so as to achieve the protection of steel pipes and circuits.
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JDG pipe is a kind of high-pressure steel wire braided reinforced polyurethane hose, also known as steel wire braided reinforced PU hose. The inside of the tube is made of polyurethane material for excellent wear and corrosion resistance, and the outside is covered with a multi-strand cavity high-strength steel wire braid to strengthen the compressive and tensile resistance of the tube. Key features of JDG tubes include:
1.Pressure resistance and bending resistance: The steel wire braid layer makes the pipe body not easy to deform under high pressure, and there will be no obvious deformation even if it is bent.
2.Abrasion resistance: Polyurethane material has very good wear-resistant performance of Wu rubber, suitable for conveying large particles, high-speed flow and other occasions.
3.Chemical resistance: Polyurethane materials have good chemical properties such as oil resistance, acid and alkali resistance, and can be used in complex chemical environments.
4.Lightweight and easy to install: Compared with traditional metal pipes, JDG pipes are more lightweight and easy to install, saving labor and material costs.
JDG pipes are mainly used in construction, mining, metallurgy, chemical industry and other fields, and have a wide range of applications in the transportation of liquids, gases and solids.
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It can be welded with PE-RT pipe fittings, or it can be connected with copper pipe fittings, but there will be hidden dangers after connection, and it is not recommended to bury it.
JDG tubes. National standard wall thickness standard, the rest mm; There can be a difference between plus and minus. JDG pipe series products are designed and produced in accordance with GB and GB standards according to the national standard "Special Requirements for Conduits for Electrical Installation".
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Well, I'm engaged in the network, let me tell you carefully, first of all, the computer and the computer should interact, and the server should interact, similar to an agreed language, to both sides agreed, this is the protocol in the network, what is the network, first of all, physically, that is, the network cable that connects various computer equipment, and various network equipment (switches and routers, etc.), the organization of the network is actually very complex, because the number of equipment is growing too rapidly, In fact, the function of the computer's network card is to process the information you want to send into a digital bit stream in accordance with the ios7 layer protocol, and then reverse convert it after someone else's computer gets the data. Said data packets, data frames, the landlord may not be able to recognize clearly, The network is connected to the computer and the computer, to achieve information sharing and interaction, and so on, to make the world so exciting, information ** so fast, By the way, there are a lot of network interfaces, Half of them are also a lot, Generally refers to the physical port, It's the interface on the physical level.。。。 If there is anything else the landlord doesn't understand, you can ask me.