What is armored cable?What is armored cable used for? Characteristics and scope of use of armored cables? What are the advantages of armored cables? The following TST CABLES for you to solve the armored cable common questions, very comprehensive, recommended collection!
Armored cable due to very good, stable electrical performance, known as the “power safety guards”, armored cable is made of different materials conductor mounted in a metal casing with insulating material, is processed into a solid combination of bendable. Armored cable mechanical protection layer can be added to any structure of the cable to increase the mechanical strength of the cable to improve erosion resistance, is vulnerable to mechanical damage and erosion-prone areas and the design of the cable. It can be laid in any way, and is more suitable for direct burial in rocky areas. Armored cable refers to cables with metal materials armored protective layer, the cable plus the purpose of the armored layer in addition to enhance tensile strength, compressive strength and other mechanical protection to extend the service life, but also through the shielding protection to improve the cable’s anti-interference properties. Commonly used armoring materials are steel tape, steel wire, aluminum tape, aluminum tube, etc., of which steel tape, steel wire armor layer with high permeability, has a very good magnetic shielding effect, can be used for low-frequency interference, and can make the armored cable laying and free from wearing pipe and cheap and beautiful in the actual use of more.
First, armored cable structure
- Armored cable conductor: as the carrier of the current, usually made of copper or aluminum to provide good electrical conductivity.
- Armored cable insulation: covered in the conductor around, preventing the current and the external environment or other conductor contact. Common insulating materials include polyethylene (PE)cables, cross-linked polyethylene (XLPE)cables, polyvinyl chloride (PVC) cables and so on.
- Armored cable cladding: used to protect the insulation layer, and provide mechanical protection and chemical resistance. Cladding layer is usually made of PVC, polyethylene (PE) and other materials.
- Armor layer: located outside the cladding layer, to provide additional mechanical protection. One of the characteristics of armored cables is that they have an armoring layer, which allows it to maintain electrical performance when subjected to external pressure or damage. Armor layer is usually made of steel wire, aluminum tape and other materials.
Second, armored cable commonly used materials
- Armored cable conductor material:
Copper: excellent conductivity and corrosion resistance, is one of the common conductor materials.
Aluminum: relative to copper, lower cost, but slightly inferior conductivity. In some specific application scenarios, aluminum conductors are also widely used.
- Armored cable insulation materials:
Polyethylene (PE): Good electrical properties and abrasion resistance, suitable for general use.
Cross-linked polyethylene (XLPE): heat resistance and electrical properties are improved by cross-linking reaction during heat treatment, suitable for high temperature environment and high power transmission.
Polyvinyl chloride (PVC): low cost, easy to process, but heat resistance and weather resistance is poor, suitable for general low-voltage electrical equipment.
- Armored cable cladding materials:
Polyvinyl chloride (PVC): commonly used in general industrial and residential applications, low cost, easy to process.
Polyethylene (PE): with good abrasion resistance and weather resistance, suitable for outdoor application.
- Armor layer material:
Steel wire: Provides good mechanical protection and is suitable for larger power transmission systems.
Aluminum tape: similar to steel wire, but relatively lightweight, suitable for some light applications or the need for corrosion resistance.
Third, the role of armored cable
- Armored cable mechanical protection layer can be added to any structure of the cable to increase the mechanical strength of the cable, improve erosion resistance, is susceptible to mechanical damage and very susceptible to erosion of the region and the design of the wire and cable. Can be laid in any way, more suitable for rocky areas of direct burial laying.
- Armored cable is generally fixed laying power cables, commonly known as fixed in one place and basically do not move, power line transmission of electrical energy.
- cable plus armored layer in addition to the above, but also can enhance the tensile strength, compressive strength and other mechanical protection to extend the service life.
- Armored with a certain degree of resistance to external forces, but also to prevent rats from biting, not through the armor caused by power transmission problems, armored bending radius should be large, the armor layer can be grounded, protect the cable.
Fourth, armored cable function
The use of steel tape or steel wire winding, used to protect the cable from external mechanical force of the ring and damage can also be guarded against rats and termites biting, not through the armor caused by power transmission problems, armored bending radius is large, the armor layer can be grounded to protect the cable.
Armored cable models with the following code suffixes are commonly used armored cable models
22–Double steel tape wrapped armored polyvinyl chloride sheathing
23–Double steel tape wrapped armored polyethylene sheath
32 – round steel wire armored polyvinyl chloride sheath
33 – Round steel wire armored polyethylene sheaths
42 – Rough round steel wire armored polyvinyl chloride sheaths
43 – Coarse round steel wire armored polyethylene sheaths
92 – steel wire braided armored polyvinyl chloride sheathing
The models of steel belt armored cable are YJV22, VVP22, ZRVV22, NH-VV22.
Control cable steel tape armored cable models KVV22, KVVP2, KVVP22, ZR-KVV22.
Steel wire armored cable models VV32, YJV32, ZR-VV32.
Control cable steel wire armored cable model KVV32, KVVP32.
Fifth, armored cable failure causes
- In the cable wiring, cable wiring process in the end does not meet the quality requirements, must comply with the cable wiring process requirements, in particular, pay attention to deal with the insulation in the end, do not allow moisture to enter the key connection, to avoid affecting its insulation.
- cable armored steel belt cracks, laps are not good, lead package cracks into the moisture, especially in the cable in the end of the wiring weak links, so that the insulation damage caused by a short circuit, pay attention to the cable bending radius can not be too small, should not be less than 20 times the outer diameter of the cable.
Wire and cable is good or bad directly affects the line’s operational safety, once the line can not be safe and stable operation, its failure caused by life and economic losses can not be predicted, so we power staff to prevent the occurrence of cable failures to minimize the occurrence of cable accidents from the root, from the smallest scratch, and strive to achieve safe and stable power supply of this goal.
Six, armored cable advantages
- It is in any one structure of the cable above, can be used to modify the cable mechanical protective layer. It can make the mechanical strength of the cable to enhance, and will play the effect of anti-erosion, it can avoid mechanical damage or corrosion, so as to design the wire and cable. It can use any method to lay, and steel belt modification of the cable is laid flat, it will withstand the horizontal direction of an external force. And the steel wire armored cable is installed in the vertical installation position such as vertical shaft.
- And after adding the armor layer on the cable, it can make its tensile strength to enhance, and its strength will also be enhanced, so that the use of machinery to enhance the length of time. And the armored cable’s resistance to external forces is particularly good, can avoid heavy to tear. And its armor layer can be grounded for use, it can protect the cable.
Seven, armored cable features
- With a hard structure, can effectively protect the cable will not be outside the mechanical force damage, but also can enhance the tensile strength, compressive strength and other mechanical protection to extend the service life.
- With anti-erosion ability, can protect the cable is not afraid of animal bite and acidic rain corrosion; can use any kind of way laying, more suitable for the harsh environment of buried laying.
- Armored protective layer can be added to any structure of the cable, but also can be grounded.
- Generally fixed in one place basically does not move, power transmission of electrical energy or control signal transmission.
Eight, armored cable structure
- armored indicates that the outermost protective layer of the cable using steel tape or steel wire winding, used to protect the cable from external mechanical force damage; and crosslinked cable refers to the cable conductor outside the insulating layer material is used cross-linked polyethylene material. Can be armored cross-linked polyethylene cable, that is, the use of cross-linked material insulation, armored outer protection of the cable.
- Commonly used armoring materials are steel tape, steel wire, aluminum tape, aluminum tube, etc., of which steel tape, steel wire armored layer with high permeability, has a good magnetic shielding effect, can be used for low-frequency interference, and can make the armored cable laying directly buried and exempted from the wear pipe and inexpensive, in the actual project use more.
- Armored cable code is expressed as: ordinary cable + digital, YJV on behalf of ordinary cable, YJV22 on behalf of armored cable.
YJV22” as an example, the first ‘2’ that double steel belt armored, the second ‘2’ that the PVC sheath, such as polyethylene sheath to the The first “2” means double steel belt armor, the second “2” means PVC sheath, if polyethylene sheath is used, the “2” can be changed to “3”.
Nine, Commonly used armored cable types
1.Armored control cable
KWV32, KVVP32, KYJV32, KYJVP32, KVV22, WP2, KWP22, KYJV22, KWR22, KYJVP2, KYJVP22; 20.5,30.75,44…. .371.5mm
2.Armored power cables
W32,ZR-W32,YJV32,YJV22,W22,YJY22,YJLV22;20.5,30.75,44…. .371.5mm
3.Armored shielded cable
RVVP22,KVVP22,DJYVP;20.5,30.75,44…. .371.5mm
4.Armored flame retardant cable
ZC-YJV22,ZC-KW22,ZC-HYA22;20.5,30.75,44…. .371.5mm
5.Armored communication cable
HYA22,HYV22,HYV23 HYA32,HYV32;5pairs,10pairs…. .2400 pairs; 0.4-0.5-0.6-0.7-0.8-0.9 wire diameter
6.Armored Computer Cable
DJYVP22, DJYPV22, DJYVRP22, DJYPVR22, DJYPVP22; 120.75 221.0 321.5 ….. .3021.5mm
Ten, Armored cable model type and specification
The first bit after the cable model indicates the code, and the numbers after it indicate the type of armored layer respectively: for example: YV23, Y indicates PE insulation, V indicates PE inner jacket, 2 indicates double steel belt products, 3 indicates round steel wire PE jacket. There are many models of armored cables, different models, their representations and uses are different, so you need to choose carefully, the
Armored cable model specifications
Armored cable model specifications are as follows:
- Armored power cables: YJV22, YJLV22, YJV23, YV62, YJV32, YV42, YV72, YJV92;
- Armored control cables: NV22, N32, KVR22KVP-22, RVP-22, KVRP-22, KVP2-22, KWRP2-22;
- Flame-retardant thallium-mounted power cables: ZR-YV22, ZR-YJLV22;
- Flame-retardant finished control cables: ZR-V22, ZR-K32, ZR-KWVR22, ZR-KVP22, ZR-KVRP22, ZR-VP2-22., ZR-KWVRP2-2.
There are also some armored cables used in specific industries
- Computer armored cable: DJYVP22, ZR-DJYVP22, DJYVRP22, DJYPV22, ZR-DJYPV22, DJYPVR22, DJYPVP22, DJYPVRP22, ZR-DJYPVP22, ZR-DJYPVPR22;
- Railway signal armored cable: PZY23, PTY23, PZY22, PTY22, PZYH23, PTYH23, PZYA23, PZYA22, PZYAH222, PYAH22, PTYAH32, PZY32;
- Communication armored cable: HYA22, HYA23, HYA53, HYV22, HYV23;
- Mining armored control cable: MV22, MK(V32;
- Flame retardant communication armored cable: ZR-HYA22ZR-HYA23, ZR-HYA53, NDZ-HYA23, WDZ-HYA53;
- Flame retardant mining communication armored cable: MHYA22, MHYV22, MHYA32, MHY32.
Eleven, armored cable use and application scenarios
- Armored cable is generally fixed power cable. Generally fixed in one place, basically immobile, power line transmission of electricity.
- Suitable for underground direct burial, can make armored cable not through the pipe direct burial, and inexpensive, very suitable for rocky areas direct burial.
- Armored cable is suitable for roads, curbs, residential areas, parking lots, pedestrian streets and other places of high pressure.
- The purpose of increasing the armor layer in the cable is not only to enhance the tensile strength, compressive strength and other mechanical protection, but also to improve the anti-interference performance of the cable through shielding protection.
- Commonly used armor materials are steel belt, steel wire, aluminum belt, aluminum tube and so on. Among them, the steel belt and steel wire armor layer has high magnetic permeability and good magnetic shielding effect, which can be used to resist low-frequency interference.
- The mechanical protective layer of armored cable can be added to any structure of the cable to increase the mechanical strength of the cable and improve corrosion resistance. This is a kind of wires and cables designed for the areas which are susceptible to mechanical damage and corrosion.
- Armored cable’s have a certain resistance to external forces, but also to protect against the tearing of rats, not to cause power transmission problems through the armor. The bending radius of the armor should be large, and the armor layer can be grounded to protect the cable.
- In addition to the above, the purpose of increasing the armor layer in the cable can also enhance the tensile strength, compressive strength and other mechanical protection to extend the service life.
What is armored cable used for?
Armored cable is suitable for a variety of application scenarios, including but not limited to the following:
- industrial use:
Armored cables play a vital role in the industrial field. Complex machinery and equipment and a large amount of power transmission needs usually exist inside factories. Armored cables are able to provide reliable power transmission and signal transmission in such harsh environments while resisting mechanical stress and chemical corrosion. Therefore, armored cables are widely used in the electrical connection and control system of machines and equipment in manufacturing, mining, automobile manufacturing and other industries.
- Construction and building works:
In building and construction engineering, electrical equipment and systems are needed to provide lighting, ventilation, heating and other services. Armored cables are widely used in indoor and outdoor construction works due to their good mechanical protection and weather resistance. Especially in places that need to be buried or exposed to harsh environments, such as underground parking lots and factory workshops, armored cables can ensure the reliable operation of power systems.
- Underground and submarine applications:
Armored cables are important in underground and submarine applications. Underground power transmission lines and submarine cables need to withstand extreme conditions such as geological movement, water pressure, seawater corrosion, etc. Armored cables can provide the necessary protection and stability. Therefore, armored cables are one of the preferred power transmission solutions in urban metro systems, underground power transmission lines, and submarine oil and gas extraction.
- High temperature and high voltage environments:
Certain special environments, such as high-temperature industrial areas, thermal power plants and other places, require the use of cable systems that can withstand high temperatures and high pressures. Armored cables are able to operate stably under these extreme conditions by choosing appropriate materials and structural designs, ensuring the safety and reliability of the power system.
- Military and aerospace fields:
In the military and aerospace fields, the stability, durability and anti-interference ability of cables have very high requirements. Armored cables can meet these requirements, so they are widely used in military communication systems, aerospace equipment power transmission and data transmission.
Twelve, armored cable and ordinary cable differences
- The structure of the two different
Compared with ordinary cables, armored cable surface has a layer of metal reinforcement.
- Both different scope of application
Armored cable surface has a reinforcing layer, suitable for buried when used, while the ordinary cable surface without a reinforcing layer, can not be buried in the ground, but other cases generally use non-armored cable.
- Both different uses
Armored cable is used when buried in the ground. In the direct burial and laying, the need for armored cable. Non-armored cable buried in the ground can not be used, other cases use non-armored cable.
Thirteen, steel belt armored cable and steel wire armored cable difference
- Use: steel belt armored only for direct burial cable or ordinary pipe, ordinary ground, tunnel and other laying. And steel wire armor can withstand the general longitudinal tension, so it is suitable for short-distance overhead laying or vertical, vertical laying. In foreign countries, steel wire armored cable more.
- Price: steel wire armored cable is more expensive. Because steel wire armored production is more difficult, the cost is higher.
- Current-carrying capacity: the difference is not great, but all to choose anti-magnetic steel tape or steel wire. According to the use of different environments, the choice of different armored form of cable: steel belt armor can withstand mechanical pressure, steel wire armor can withstand mechanical tension. At present, the steel belt armored in the low-voltage cable and high-voltage cable are very widely used, steel wire armored in high-voltage cables are used more.
Fourteen, armored cable and armored thermocouple what is the difference between Uses:
Armored cable: mainly used for power transmission and signaling, in the chemical industry, metallurgy, machinery manufacturing, power generation and other fields have a wide range of applications. It contains a variety of types, such as armored thermocouple, armored RTD, armored heater and armored lead, etc. It is used for temperature measurement, signal transmission and special heating.
Armored thermocouple: it is a kind of armored cable, specially used as temperature measurement sensor, usually used with temperature transmitter, regulator and display instrument, etc., to directly measure or control the temperature of various media in the production process.
Structure:
Armored cable: consists of conductor, insulation layer, armor layer and outer sheath. The conductor is usually copper or aluminum wire, the insulation layer is used to isolate the conductor and the armor layer, the armor layer is a metal casing (such as steel tape or steel wire), to provide mechanical protection, the outer sheath to protect the entire cable structure.
Armored thermocouple: It consists of thermocouple wire, insulation material and metal protective casing assembled in combination and then stretched and processed. The thermocouple wire is used to measure temperature, the insulating material isolates the thermocouple wire and the metal protective casing, and the metal protective casing, the armor layer, protects the thermocouple from damage.
Functional characteristics:
Armored cable: the main function is to transmit electrical energy or signals, while the armor layer provides additional mechanical protection, so that the cable can work properly in harsh environments.
Armored thermocouples: have the advantages of being able to bend, resistant to high pressure, fast thermal response time and rugged. It can measure temperatures as low as minus 270 degrees Celsius and as high as 1800 degrees Celsius, and the electrical signals of armored thermocouples require a special type of wire (compensation wire) for transmission.
TST CABLES armored cables, due to their reliability, durability and adaptability, play an important role in various application scenarios. Whether it is machinery and equipment in industry, electrical systems in construction, offshore vessels, nuclear wind farms, or special needs in rail transportation and military aerospace, or medical fields, armored cables provide a stable and reliable power transmission solution. Choose to upgrade your cable system quickly, TSTCABLES for your project! If you have needs or questions about metal sheathed cables and armored cables, please feel free to contact us by email!