This product is suitable for signal transmission and control circuits in instruments, instruments and other electrical equipment. In the distributed control system and control computer in the field of industrial automation, the wave transmission production device is remote. Analog and data signals such as variable detection, control, linkage, alarm, etc. The cable has good anti electromagnetic interference, anti radiation interference, explosion-proof performance, and good flexibility and bending performance. The cable can also be used as the connecting line of electrical appliances and instruments in electrical control devices with AC 500V or DC 100V or below.
Foil shielding is generally to glue a layer of adhesive on the conductor insulation layer. The advantage of bonding is that it can be terminated more quickly, conveniently and reliably. In addition, the bonding can prevent the moisture under the shielding layer from diffusing. If the cable sheath is damaged, the bonded shield can also help protect the cable insulation from pollution. The bending radius shall not be less than 10 times of the outer diameter of the cable. 4 The rated voltage shall be 300/350V. 5 The cable shall be laid separately from non intrinsically safe cables or effectively isolated. ZA-IJYPVPR、IJYP2VR、IA-RVV、IA-RVVP、IA-RVVP2、IA-VV、IA-VVR、IA-YJVR、IA-KYJVP、IA-KYJVRP、IA-KYJVPR、IA-KVVPR、IA-KVV22P、IA-KVVP22、IA-KVVP2-22、IYJVPR、IJVPVR、IJVPVP、IJVVP、IJVPRV、IJVPVPRZR-IA-KVVRP、ZR-IA-KVVP2、ZR-IA-KVVRP2、
It has a working temperature range (- 100 ℃~350 ℃) and excellent high and low temperature resistance. In addition, it also has excellent thermal stability, electrical insulation, weather resistance, ozone resistance, air permeability, high transparency, tear strength, excellent heat dissipation, excellent adhesion, liquidity and demoulding performance. Some special silicone rubber also has excellent oil resistance, solvent resistance Radiation resistance and use at ultra-high and low temperatures. Within the temperature range of use, silicone rubber can not only maintain certain softness, resilience and surface hardness, but also have no obvious change in mechanical properties, and can resist long-term thermal aging. Commonly used for wires and cables
silicon rubber It is silicone rubber, and the operating temperature range is - 60 ℃~180 ℃. Since silicone rubber has the above excellent performance, it is necessary to enter the control room, cable interlayer, control cabinet, instrument cabinet The cable holes at the switch cabinet and other places shall be sealed tightly (sealed tightly, flat and beautiful, and the cable shall not be damaged). Fire partition walls and fire doors shall be set for long cable tunnels and their bifurcations. Under normal circumstances, the door on the cable trench or hole should be closed, so that once the cable catches fire, the burning range can be isolated or restricted to prevent the spread of fire
The main characteristics of this kind of products are: a wide range of varieties and specifications, a wide range of applications, a large number of use voltages of 1kV and below, and constantly deriving new products in the face of special occasions, such as fire-resistant cables, flame retardant cables, low smoke zero halogen/low smoke low halogen cables, termite resistant, rat resistant cables, oil/cold/temperature/wear resistant cables, medical/agricultural/mining cables, thin wall wires, etc.
With the rapid development of communication industry in the past 20 years, communication cable and optical fiber products have also developed at an astonishing speed. From the simple telegraph cable in the past to thousands of pairs of voice cable, coaxial cable, optical cable, data cable, and even combination communication cable. The structural dimensions of such products are usually small and uniform, and the manufacturing precision is required to be high. Electromagnetic interference (EMI) is mainly low-frequency interference, and motors, fluorescent lamps and power lines are common sources of electromagnetic interference. Radio frequency interference (RFI) refers to radio frequency interference, mainly high-frequency interference. Radio, TV rebroadcasting, radar and other wireless communications are common sources of RF interference. For resisting electromagnetic interference, braided shielding is effective because of its low critical resistance; For radio frequency interference, the foil shield is effective. Because the braided shield depends on the change of wavelength, the gap it creates allows high-frequency signals to pass in and out of the conductor freely. For interference fields mixed with high and low frequencies, the combination shielding mode of foil layer and woven mesh with broadband coverage function shall be adopted: braided shielding is applicable to the low frequency range, while foil shielding is applicable to the high frequency range.
The electromagnetic wire (winding wire) shall be inspected regularly. Power cables shall be inspected regularly,. This product is suitable for signal transmission and control circuits in instruments, instruments and other electrical equipment. In the distributed control system and control computer in the field of industrial automation, the wave transmission production device is remote. Analog and data signals such as variable detection, control, linkage, alarm, etc. The cable has good anti electromagnetic interference, anti radiation interference, explosion-proof performance, and good flexibility and bending performance. The cable can also be used as the connecting line of electrical appliances and instruments in electrical control devices with AC 500V or DC 100V or below.
Peel off the jute sheath on the surface of the non directly buried cable. There is a jute protective layer soaked in asphalt on the surface of the directly buried cable, which can protect the cable in the directly buried ground. When the directly buried cable enters the cable trench, tunnel and shaft, the jute protective layer soaked in asphalt on the surface should be peeled off to reduce the risk of fire expansion. At the same time, and below the power transmission and distribution system, power transmission and distribution. It is widely used in power, construction, industry and mining, metallurgy, petroleum, chemical industry, transportation and other departments, and has replaced oil impregnated paper insulated power cables and partially replaced PVC insulated power cables. (1) Keep the cable tunnel clean and properly ventilated. The cable tunnel or trench shall be kept clean, and no garbage and sundries shall be stacked. The accumulated water and oil in the tunnel and trench shall be removed in time; Under normal operation, cable tunnels and trenches shall be properly ventilated. (2) Keep cable tunnels or trenches well lit. The lighting in the cable layer, cable tunnel or trench shall always be kept in good condition, and ladders shall be provided for the tunnels and trench crossings that need to go up and down, so as to facilitate operation inspection and cable fire fighting. (3) Prevent kindling from entering the cable trench. When carrying out open fire operation near cables, measures shall be taken to prevent kindling from entering the trench
Conductor 70 ° flame-retardant sheathed armored control JVVPR signal cable
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This product is suitable for signal transmission and control circuits in instruments, instruments and other electrical equipment. In the distributed control system and control computer in the field of industrial automation, the wave transmission production device is remote. Analog and data signals such as variable detection, control, linkage, alarm, etc. The cable has good anti electromagnetic interference, anti radiation interference, explosion-proof performance, and good flexibility and bending performance. The cable can also be used as the connecting line of electrical appliances and instruments in electrical control devices with AC 500V or DC 100V or below.
Intrinsically safe flame-retardant cable KJYVP ia-KJYVPL-ia-KJYVP22-ia-KJYVPL22-ia is mainly used for various automatic detection equipment, electronic computer information processing control system, digital signal detector and similar signal transmission and control circuits in intrinsically safe circuits of petrochemical industry, and is also applicable to similar equipment and systems in non intrinsically safe circuits. Model name: KJYVP ia intrinsically safe circuit polyethylene insulated PVC sheathed wire group braided shielded twisted pair shielded control cable; KJYVPL-ia polyethylene insulated PVC sheathed wire group wrapped shielded twisted pair shielded control cable for intrinsically safe circuit; KJYVP82 ia polyethylene insulated PVC sheathed wire group braided shield general shield twisted pair shield control cable for intrinsically safe circuit; KJYVPKL82 ia intrinsically safe circuit polyethylene insulated PVC sheathed wire group wrapped shield general shield twisted pair shield control cable; KJYVP22 ia PE insulated PVC sheathed wire group braided shielded steel tape armored twisted pair shielded control cable for intrinsically safe circuit; KJYVPL22-ia PE insulated PVC sheathed wire group wrapped shielded steel tape armored twisted pair shielded control cable for intrinsically safe circuit; Main performance: the rated voltage of the cable is AC 500V and below. The low working temperature of the cable should not be lower than - 40 ℃. The allowable working temperature of the cable is 70 ℃. The cable can withstand a single vertical combustion test. The cable has the performance of anti magnetic field interference, anti electromagnetic radiation interference and anti static interference. Price consultation: table control cable Shielded cable for digital itinerant detection device I: product features and uses are suitable for instrument control cable products with AC rated voltage of 450/750 and below. The shielded cable for itinerant detection device uses twisted aluminum plastic composite film shield and copper wire braided shield, with superior anti-interference performance, and is widely used in computer measurement and control devices. Details of kjyvpkjyvp control cable for instrument and shielded cable for digital itinerant detection device: kjyvp control cable for instrument and shielded cable for digital itinerant detection device I: product features and uses are applicable to instrument control cable products with AC rated voltage of 450/750 and below. The shielded cable for itinerant detection device adopts twisted aluminum plastic composite film shield and copper wire braided shield, With superior anti-interference performance, it is widely used in computer measurement and control devices. 2： Product implementation standard Enterprise standard Flame retardant characteristic test Implementation of GB12666.5-90 standard III: Use characteristics 1 Current rated voltage: U0/U 450/750KV 2 The working temperature shall not exceed 70 ℃. 3. The cable installation and laying temperature shall not be lower than 0 ℃. 4. Allowable bending radius of cable: 10 times of the outer diameter of the cable for unarmoured cable or 12 times of the outer diameter of the cable for steel tape armored cable
Basic model and name Kjyvp control cable for instruments, shielded cable for digital patrol detection device This product is applicable to signal transmission and control lines in instruments, instruments and other electrical equipment. In the distributed control system and control computer in the field of industrial automation, the wave transmission production device is remote. Analog and data signals such as variable detection, control, linkage, alarm, etc. The cable has good anti electromagnetic interference, anti radiation interference, explosion-proof performance, and good flexibility and bending performance. The cable can also be used as the connecting line of electrical appliances and instruments in electrical control devices with AC 500V or DC 100V or below.
Conductor 70 ° flame-retardant sheathed armored control JVVPR signal cable
