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Shanghai xionglei Environmental Protection Technology Co., Ltd

Contact person: manager Jiang

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Tel: 021-65345055

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Address: 1758 Hualong Road, Huaxin Town, Qingpu District, Shanghai

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Key words: electric heating ring

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Search results: Products: 24, news: 55

  • [ Industry news ] Introduction of electric heating ring of various materials

    Mica electric heating ring is also known as electric heating ring and heating ring. It uses electric heating alloy wire as heating material, mica soft plate (sometimes with ceramic core) as insulation material, and is wrapped with thin metal plate (aluminum plate, stainless steel plate, etc.). Typical applications such as electric water bottles. Various shapes of electric heating plates are formed by casting or welding or inlaying metal tubular electric heating elements into aluminum plates and plates
    Release time: January 25, 2018 number of hits: 146

  • [ Industry news ] What are the connection methods of electric heating ring

    The common connection methods of electric heating ring are star connection and triangle connection. Next, Shanghai xionglei will introduce these two connection methods in detail. 1. The three-phase wire is connected to the neutral coil, so it is called three-phase neutral wire heating method
    Release time: February 4, 2020 number of hits: 81

  • [ Industry news ] What is the safety performance index of stainless steel electric heating ring?

    In today's social life, people's ability to accept new things is very strong, so the emergence of various high-tech products provides convenient conditions for many industries, and the emergence of stainless steel electric heating ring provides effective help for many industries. What are the safety performance indicators of stainless steel electric heating ring? Let's look at the introduction below. Stainless steel electric heating ring
    Release time: July 7, 2018 number of hits: 118

  • [ Industry news ] Cast copper electric heating ring, safe and efficient for a long time

    It is mainly used for heating electric kettle. The heating ring is wrapped with thin metal plate (aluminum plate, stainless steel plate, etc.), which is typically used for electric water bottle. All kinds of electric heating plates and electric heating are formed by casting or welding or inlaying metal tubular electric heating elements into aluminum plates and plates. Examples of typical use of rice cooker
    Release time: March 31, 2018 number of hits: 88

  • [ Industry news ] Electric heating ring -- love you without losing temperature

    Electric heating coil is a kind of electric coil specially used for heating. In essence, it is wound into a loop coil with high frequency and high current. The main function of this coil is to heat. However, after such a coil is bound by a strong magnetic field in terms of a relative physical polarity, the
    05-2018 press time: 93-05

  • [ Industry news ] Flange type electric heating ring, more durable

    In the process of electric heating with flange type electric heating ring, there is less waste gas, residue and dust. The well type tempering furnace can keep the heating object clean without polluting the environment. Therefore, electric heating is widely used in production, scientific research and experiment. In particular, the production of single crystals and transistors, mechanical parts and surface quenching, ferroalloy melting and artificial graphite production, etc., are selected for electric heating
    Release time: June 2, 2018 number of hits: 145

  • [ Industry news ] Ceramic electric heating ring -- stable enough to meet the demand

    It is mainly used in electric kettle and other electrical appliances. The heating ring is wrapped with thin metal plate (aluminum plate, stainless steel plate, etc.) for typical applications, such as electric water bottle. All kinds of electric heating plates and electric heating are formed by casting or welding or inlaying metal tubular electric heating elements into aluminum plates and plates. For example, electric cooker, electric cooker and so on. Converting electrical energy into heat
    Release time: June 2, 2018 number of hits: 120

  • [ Industry news ] What is an electric heating ring flange

    What is the electric heating ring flange plate, flange referred to as flange, only a general term, usually refers to a similar plate-shaped metal body on the periphery of a few fixed holes, used to connect other equipment. Flange is more common in pipeline engineering, usually used in pairs. The main domestic standards are GB / t9119, hg20593jb / t81-94 and so on.
    Release time: June 20, 2018 hits: 114

  • [ Industry news ] Electric heating ring knowledge, we must first understand its working principle is what

    Electric heating circle knowledge, we must first understand its working principle is what kind! First of all, the working principle of the electric heating coil: high frequency and high current flow to the heating coil which is wound into a ring or other shape. As a result, a strong magnetic beam with instantaneous polarity change is generated in the coil, and the metal and other heated objects are placed in the coil
    Release time: July 18, 2018 number of hits: 132

  • [ Industry news ] Stainless steel electric heating ring in use, must master the basic essentials

    As a kind of production equipment, stainless steel electric heating ring has very excellent heating performance, which can bring convenience to users, at the same time, it can guarantee the rapid and stable heating state of related objects, and then the overall production and processing process of the enterprise can be more reliable. So how much do you know about the use of this kind of equipment?
    Release time: August 11, 2018 number of hits: 147

  • [ Industry news ] How to choose the wire of electric heating coil

    Some of the wires used in the electric heating ring are cheap or expensive in the market. Some people like to choose the cheaper ones. However, the cheaper wires often have many properties that can not meet the performance specified. This may bring a lot of security risks. Wire production technology content is not too high, raw materials are not too different, if too much cheaper, to
    Release time: September 3, 2018 number of hits: 123

  • [ Industry news ] What are the common sense of safety in using electric heating ring

    Electric heating ring has been widely used in all walks of life, so the public will pay more attention to its safety knowledge in use. In addition, the basic knowledge of the equipment is also attached great importance to. How to use this kind of heating device to play the heating effect more safely and effectively? Today, I will give you a detailed introduction. Type of electric heating ring
    Release time: September 27, 2018 number of hits: 131

  • [ Industry news ] Detailed explanation of working conditions and operation precautions of electric heating ring

    Electric heating ring is a kind of electric heating element, which can be used alone or used as an electric component in various electric heating equipment. If it is used alone, in order to ensure the heating effect and safety, it is suggested to pay attention to the working conditions and operation matters. What are the following? Next, let's learn about it
    Release time: September 27, 2018 number of hits: 144

  • [ Industry news ] Key points of using electric heating ring

    As a popular auxiliary equipment in the industrial industry, the existence of stainless steel electric heating ring has brought more stable production efficiency for users, which is of great significance to many enterprises. However, in fact, there are still many key points and operation details that need to be mastered in the process of using the electric heating ring. Then, let's listen to the industry professionals
    Release time: December 5, 2018 number of hits: 147

  • [ Industry news ] How much do you know about the advantages of heating?

    With the characteristics of high heating efficiency, energy saving and environmental protection, stainless steel electric heating circle has occupied a place in the fierce competition of electric heating equipment industry, and has been favored and recognized by many consumers, and this electric heating circle has many advantages, so what do you know? Next, we will make a detailed analysis. The advantages of stainless steel electric heating ring are summarized as follows
    Release time: December 12, 2018 number of hits: 164

  • [ Industry news ] Reliability and life of electric heating ring

    The reliability of the electric heating ring is closely related to the type of the tube core. For example, the pipe core made of metal mesh as the main line has the problem of self filling and is very sensitive to the existence of non condensable gas, so its reliability is poor. In contrast, the axial groove heating ring is much more reliable. Reliability also includes predictability and reproducibility of performance. Multi layer network management core in this respect
    Release time: December 28, 2019, number of hits: 53

  • [ Industry news ] What are the advantages of stainless steel electric heating ring

    With the continuous progress of science and technology, all kinds of electric heating equipment have been more widely used. Among them, stainless steel electric heating ring has a place in the fierce competition because of its fast heating speed, energy saving and environmental protection and high safety performance, and has won the favor of many users. So what do you know about the advantages of this electric heating ring? Next, I will give you a specific introduction
    Release time: February 14, 2019 number of hits: 91

  • [ Industry news ] Teach you how to repair common faults of ceramic electric heating ring!

    Ceramic heating ring common fault maintenance: 1, ceramic heating ring damage; solution: first let the electric heating ring ceramic heating ring power off, remove the ceramic heating ring wire, use a multimeter to check whether the ceramic heating ring is burnt, replace it immediately, and solve the problem. 2. No strong current output; solution: check the electric heating coil heating ring ceramic heating ring used by the strong current, with 10000
    Release time: February 22, 2019 number of hits: 211

  • [ Industry news ] Cast aluminum electric heating ring, good product is trustworthy

    Cast aluminum electric heating ring selection is very high quality information. Use the site to prevent pollutants and moisture from entering, to prevent the occurrence of leakage incidents. This is also a very noteworthy aspect in the use of convenience. Bending strength is relatively high, good sealing, different applications are also worthy of trust, different applications are also very pressure and temperature resistance, and in each
    Release time: March 9, 2019 number of hits: 85

  • [ Industry news ] Ceramic electric heating ring -- durability is an attitude

    Ceramic electric heating ring is usually used for wire threading with ceramic strips, and the power is much higher than that of the general heating ring. Ceramic electric heating ring has many advantages, such as fast heat transfer, stable operation, uniform heating, no leakage of temperature, easy manual contact of the cover, and relatively safe operation. In the future applications include cast aluminum electric heating ring, cast copper electric
    Release time: April 4, 2019 number of hits: 104

  • [ Industry news ] Electric heating ring manufacturers for you to introduce the production of blast furnace ceramic cup need to use high erosion resistant refractory!

    The refractory materials of ceramic electric heating ring used in blast furnace vary greatly. The development of blast furnace ceramic cup is more and more common, but the production of blast furnace ceramic cup requires the application of high erosion resistant refractory materials to ensure the extension of its service life. In addition to the design changes, there are also great changes in refractory materials. For example, microporous carbon bricks replace the conventional carbon bricks to reduce the penetration of molten iron. use
    Release time: June 29, 2019 number of hits: 67

  • [ Industry news ] What are the advantages of ceramic electric heating ring

    Brief performance of ceramic electric heating ring: it is mainly suitable for extrusion, casting and down punching machinery. The operating temperature can reach 450 ℃ and the maximum surface load is 6.5w/cm. It is characterized by long life, high temperature resistance, energy consumption reduced by 30%, and high insulation. It is the most suitable electric heating product for extruder, injection molding machine and film blowing machine. 1. Fast heat transfer, uniform heating and working
    Release time: July 8, 2019 hits: 113

  • [ Industry news ] The principle of electric heating coil factory resistance heating

    The Joule effect of electric flow is applied to convert electromagnetic energy into energy to heat the material block. Electric heating circle factory is generally divided into immediate resistance wire heating and immediate resistance wire heating. The switching power supply working voltage of the two is applied to the heated object immediately. When the current flow is expired, the heated material block itself electric heater ironing machine will burn. The block that can be heated immediately by the resistance wire must be an electrical conductor, but
    Release time: July 20, 2019 number of hits: 93

  • [ Industry news ] What is ceramic electric heating ring

    Ceramic electric heating ring is a kind of alloy wire wound in a small ceramic block, the outside is wrapped in a stainless steel shell. Widely used in plastic machinery, chemical fiber machinery. Ceramic electric heating ring is a kind of heater with high efficiency and uniform heat distribution. The metal alloy with excellent thermal conductivity ensures uniform temperature of hot surface and eliminates hot and cold points of equipment. It has long life, good heat preservation and mechanical properties
    Press time: 104-31

  • [ Industry news ] Can the electric heating ring be connected with a temperature controller for oil bath heating?

    After installation, it is necessary to test the power supply in the case of plug-in. Check whether the shell is electrified or not. The price of the electric heating ring sometimes has electrostatic induction, which does not have much to do with it. The electrostatic induction is very large. It can connect a ground wire, or exchange the live wire and the zero line, and the static induction can be reduced. Haze or other extreme environmental pollution
    Release time: August 17, 2019 number of hits: 100

  • [ Industry news ] High quality cast copper electric heating ring factory

    Electric heating ring factory casting copper electric heater ring to metal hose as the shell, this kind of metal material armored cable electric heating material can heat gas, metal materials, abrasives and various liquids. The manufacturer of the cast copper electric heater coil puts the electric heating material into the metal hose, and adds the crystal magnesia powder with excellent temperature resistance, heat transfer and dielectric strength in the gap part
    Release time: August 24, 2019 number of hits: 96

  • [ Industry news ] Quality defect of electric heating ring and its prevention

    The tube billets used in the production of electric heating ring can be round tube billet, rolling (forging) round tube billet (square billet or ingot rolled by section mill or forging machine), centrifugal casting round hollow tube blank, or directly using steel ingot. With the development of technology and improvement, the current production of heating ring mostly uses round billet. The production cost of round tube blank is lower than that of rolling round tube blank, and the production cost of round tube blank is lower than that of rolling round tube blank
    Release time: August 29, 2019 number of hits: 88

  • [ Industry news ] Analysis of stainless steel electric heating ring use precautions

    Stainless steel electric heating ring is mainly used in the industrial industry, there will be certain safety problems in the use process, so the requirements for the staff are relatively high, if there is no skilled skills, then it will cause great problems. The following we have a look at the use of stainless steel electric heating ring precautions are to improve the safety of users. Equipment in industry
    Release time: September 2, 2019 number of hits: 92

  • [ Industry news ] What is cast aluminum electric heating ring? Usage and maintenance details

    If you want to buy a good cast aluminum electric heating ring, you must first understand the electric heater itself, and then understand its purchasing skills. If you are not clear about this, you may as well give it to a professional to complete. As a well-known electric heater manufacturer, Shanghai xionglei Environmental Protection Technology Co., Ltd. may be able to provide you with a reference. Cast aluminum electric heater is a tubular electric heating element
    Release time: September 11, 2019 number of hits: 98

  • [ Industry news ] Precautions for use of stainless steel electric heating ring

    Stainless steel electric heating ring is mainly used in the industrial industry, there will be certain safety problems in the use process, so the requirements for the staff are relatively high, if there is no skilled skills, then it will cause great problems. The following we have a look at the use of stainless steel electric heating ring precautions are to improve the safety of users. Equipment in industry
    Release time: September 16, 2019 number of hits: 75

  • [ Industry news ] What are the advantages of electric heating ring

    The electric heating ring is small in size, easy to use and install, and high power, so it is widely used in many occasions. More and more users begin to pay attention to this equipment. What are the advantages of electric heating pipe? What is the cause of tube burst? With the vast majority of users will have these questions, ceramic heating ring manufacturers to lead you together in detail
    Release time: September 23, 2019 number of hits: 46

  • [ Industry news ] How to install and replace the electric heating ring

    How to install and replace the electric heating ring: 1. After the mold cools down, remove the hot half mold from the mold; 2. Remove the positioning ring (another function of the positioning ring is to fix the hot nozzle); 3. Install the M3 screw on the lifting hole, take down the hot nozzle, and pay attention that the heating ring can not be squeezed; 4. Remove the snap ring and heat insulation cover of the heating ring; 5. Hold the head of the hot nozzle, rotate clockwise and turn outward
    Release time: September 29, 2019 number of hits: 92

  • [ Industry news ] Advantages of ceramic electric heating ring

    The demand and application of ceramic electric heating ring are more and more extensive, but many users may not have a comprehensive understanding of ceramic heating ring. Today, we will give a brief introduction: one is to grout alloy wire into ceramic heating ring, which can heat ceramics by radiation, and in popular words, it can be heated at a long distance; the other is to thread alloy wire into small ceramic blocks and wrap it with stainless steel Shell.
    Release time: October 12, 2019, number of hits: 66

  • [ Industry news ] Difference between ceramic electric heating ring and mica heating ring

    1、 Ceramic electric heating ring and stainless steel mica heating ring 1. Ceramic electric heating ring is not made by ordinary mica wire bending method, but by ceramic strip threading. Therefore, the power of the product is 0.5 ~ 1.5 times higher than that of the ordinary one. 2. Stainless steel mica heating ring is made of high quality nickel chromium alloy heating wire as heating body and natural mica as edge layer
    Release time: October 19, 2019, hits: 118

  • [ Industry news ] Energy saving improvement of electric heating ring

    With China's economic reform, traditional industrial products are also undergoing a variety of improvements, heating ring from high energy consumption to energy-saving, which will adapt to the international trend! Electric heating ring, as the auxiliary heating equipment of injection molding machine, generally accounts for more than 20% of the total energy consumption. Since 2013, many scientific and technological enterprises in the market have invested in the research and development of energy-saving treatment of heating ring
    Press time: October 26, 2019

  • [ Industry news ] Electric heating coil resistance heating principle

    The electric heating ring uses the Joule effect of electric flow to convert electromagnetic energy into energy to heat the material block. The heating ring is generally divided into immediate resistance wire heating and immediate resistance wire heating. The switching power supply working voltage of the two is applied to the heated object immediately. When the current flow is expired, the heated material block itself electric heater ironing machine will burn. The block that can be heated immediately by the resistance wire must be an electrical conductor, but
    Release time: November 2, 2019 number of hits: 66

  • [ Industry news ] Advantages of ceramic electric heating ring

    The demand and application of ceramic electric heating ring are more and more extensive, but many users may not have a comprehensive understanding of ceramic heating ring. Today, we will give a brief introduction: one is to grout alloy wire into ceramic heating ring, which can heat ceramics by radiation, and in popular words, it can be heated at a long distance; the other is to thread alloy wire into small ceramic blocks and wrap it with stainless steel Shell.
    Release time: November 16, 2019, number of hits: 48

  • [ Industry news ] Performance and application of ceramic electric heating ring

    One is that the alloy wire is wound on a small ceramic block, and the outer package is made of stainless steel shell. Ceramic heating ring is widely used in plastic machinery, chemical fiber machinery. 2. Ceramic heater is a kind of heater with uniform heat distribution and good thermal conductivity of metal alloy, which can ensure uniform hot surface temperature and eliminate hot and cold points of equipment. On the external cooling surface
    Press time: November 23, 2019

  • [ Industry news ] Cast aluminum electric heating ring_ 8 points for attention when using electric heating tube

    Cast aluminum electric heating ring manufacturers remind the matters needing attention when using the electric heating tube: 1. The components are allowed to work under the following conditions: a. the absolute humidity of the air is not more than 95%, and there is no explosive and corrosive gas. B. The task voltage shall not be greater than 1.1 times of the additional value, and the enclosure shall be effectively grounded. C. Insulation resistance ≥ 1m Ω, dielectric strength: 2KV / 1min.
    Release time: November 30, 2019, hits: 55

  • [ Industry news ] Application and notice of cast aluminum electric heating ring

    Cast aluminum electric heating ring, as the name implies, is made of high-quality metal aluminum alloy shell, through die-casting to form an electric heater, and tubular heating elements as the heating body. For example, many years, different types of heater, such as the right angle of the mold, have entered the Chinese industry
    Release time: December 6, 2019 number of hits: 54

  • [ Industry news ] How is resistance value of electric heating ring of cast aluminum decrease

    Cast aluminum electric heating ring takes tubular electric heating element as heating body, which is bent and shaped, and then enters the mold to cast aluminum into various products. The utility model has the advantages of close fitting with the heating body, uniform heating, good thermal conductivity and long service life. This product is one of the ideal heaters at home and abroad. The heater can be used in the external thermal insulation layer to save energy
    Release time: December 09, 2019, number of hits: 57

  • [ Industry news ] Fixed installation of cast aluminum electric heating ring

    In the use of mechanical heating equipment, some series of cast aluminum heating ring do not need to be fixed, which can be directly installed in the heating hole for heat transfer, such as mold heating pipe; of course, the heating pipe and other series need to be strengthened and fixed to make it more stable for normal work, such as single head heating pipe. Here we mainly discuss how to fix the heating pipe, such as
    Release time: December 21, 2019 number of hits: 65

  • [ Industry news ] What is an electric heating ring flange

    What is the electric heating ring flange plate, flange referred to as flange, only a general term, usually refers to a similar plate-shaped metal body on the periphery of a few fixed holes, used to connect other equipment. Flange is more common in pipeline engineering, usually used in pairs. The main domestic standards are GB / t9119, hg20593jb / t81-94 and so on.
    Release time: June 20, 2018 number of hits: 109

  • [ Industry news ] What is the working principle of electric heating ring

    What are the working principles of the electric heating coil? First of all, the working principle of the electric heating coil is that the high-frequency high-frequency current flows to the heating coil which is wound into a ring or other shape. As a result, a strong magnetic beam with instantaneous change is generated in the coil. When the metal and other heated objects are placed in the coil, the magnetic beam will penetrate the whole heated object, and the heating current is opposite to the heating current inside the heated object
    Release time: January 4, 2020 number of hits: 61

  • [ Industry news ] Two common connection methods of electric heating ring

    The connection methods of heating ring are star connection and triangle connection. Next, Shanghai xionglei will introduce these two connection methods in detail. 1. The star connection method of heating ring is to connect one end of the three-phase power supply winding or load together to form a neutral line. Since the current in the neutral line of balanced three-phase electricity is zero, it is also called the zero line: three-phase power supply
    Release time: January 28, 2018 number of hits: 165

  • [ Industry news ] Working principle and principle of electric heating ring

    High frequency and high current flow to a heating coil (usually made of copper tube) which is wound into a ring or other shape. As a result, a strong magnetic beam with instantaneous polarity change is generated in the coil. Placing the metal and other heated objects in the coil, the magnetic beam will pass through the whole heated object. In the direction opposite to the heating current in the heated object, a corresponding large eddy current will be generated
    Release time: April 20, 2020, number of hits: 47

  • [ Industry news ] Working principle and principle of electric heating ring

    High frequency and high current flow to a heating coil (usually made of copper tube) which is wound into a ring or other shape. As a result, a strong magnetic beam with instantaneous polarity change is generated in the coil. Placing the metal and other heated objects in the coil, the magnetic beam will pass through the whole heated object. In the direction opposite to the heating current in the heated object, a corresponding large eddy current will be generated
    Release time: April 20, 2020 number of hits: 56

  • [ Industry news ] Energy saving improvement of electric heating ring

    With China's economic reform, traditional industrial products are also undergoing a variety of improvements, heating ring from high energy consumption to energy-saving, which will adapt to the international trend! Heating ring, as the auxiliary heating equipment of injection molding machine, generally accounts for more than 20% of the whole machine energy consumption. Since 2013, many scientific and technological enterprises in the market have changed the heating ring
    Release time: June 13, 2020 number of hits: 33

  • [ common problem ] Is stainless steel electric heating ring OK? What are the precautions when using

    When it comes to stainless steel electric heating ring, many people don't know what it is. Naturally, they have little understanding of its advantages and precautions. However, it is widely used in our daily life, so we still need to have a general and in-depth understanding of it. Next, we will learn about stainless steel electric heating through advantages and precautions Hot circle!
    Release time: December 27, 2017 number of hits: 213

  • [ common problem ] What is the working principle of electric heating ring

    1、 The first is the working principle of the electric heating coil: the high frequency and high current of high frequency flows to the heating coil which is wound into a ring or other shape. As a result, a strong magnetic beam with instantaneous change will be generated in the coil. If the metal and other heated objects are placed in the coil, the magnetic beam will pass through the whole heated object. In the direction opposite to the heating current inside the heated object, the
    Release time: January 27, 2018 number of hits: 264

  • [ common problem ] How to choose stainless steel electric heating ring? What are the key aspects to consider

    In China's heating equipment market, stainless steel electric heating ring is very common, people use it very frequently. In the selection of the product, people will have some doubts, in the end, how to choose is more correct. Next, we will briefly introduce how to choose stainless steel electric heating ring, through our listed several aspects, hoping to help you better
    Release time: August 11, 2018 number of hits: 189

  • [ common problem ] What are the characteristics of ceramic strip of electric heating ring.

    Therefore, the high temperature resistance of the ceramic wire is 1.5 times higher than that of the ordinary ceramic wire. The heating body is made of imported round wire pottery, which is twisted into a spring shape and inserted into a ceramic strip. The outer cover is made of stainless steel made in Japan, and the middle part is made of high-temperature heat insulation cotton (aluminum silicate fiberboard) to prevent temperature leakage. pottery
    Release time: February 19, 2019 number of hits: 147

  • [ common problem ] Cast copper electric heating ring, easy to use, strong sense of existence

    The surface load of cast copper electric heating ring and cast copper heater can reach 1-5 w / cm2, and the maximum working temperature is about 600 ℃; the cast copper heater is a kind of high-efficiency heater with uniform heat distribution and excellent thermal conductivity metal alloy, which ensures the uniform temperature of hot surface and eliminates the hot spot and cold point of equipment. It has the advantages of short life, good heat preservation performance, strong mechanical property, corrosion resistance and magnetic field resistance
    Release time: March 5, 2019 number of hits: 116

  • [ common problem ] Do you know how to use ceramic electric heating ring?

    There are many specifications of ceramic heating ring, which are basically customized from the manufacturer according to their own needs, including the diameter and height of the electric heating ring. The shape is basically strip-shaped, and it has not been assembled into a ceramic heating ring. The use method depends on your own needs. Whether to add thermal insulation cotton or not, install the thermal insulation cotton into the ceramic heating ring according to the drawing. Roll it into a circle and fix it with screws, General outgoing line
    Release time: March 15, 2019 hits: 183

  • [ common problem ] Reliability and life of electric heating ring

    The reliability of the electric heating ring is closely related to the type of the tube core. For example, the pipe core made of metal mesh as the main line has the problem of self filling and is very sensitive to the existence of non condensable gas, so its reliability is poor. In contrast, the axial groove heating ring is much more reliable. Reliability also includes predictability and reproducibility of performance. Multi layer network management core in this respect
    Release time: May 11, 2019 hits: 213