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74-
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Detailed Description
Automatic temperature control series of electric tracing band Automatic temperature control heating cable is made of a conductive polymer and two parallel metal conductor and insulation layer. Its conductive polymer has high positive temperature coefficient characteristic, and parallel to each other, with the heating system can be automatic temperature regulation of output power, automatic limiting heating temperature, can be arbitrarily truncated or within a certain range inner long use, and allows multiple overlapping without high temperature heat and burn the virtual.
Production implementation of standards: the use of enterprise standards
A self temperature control heating, using features
The electric heat tracing system by tropical corresponding with an automatically adjustable output power, thus not due to their own heat resistant burned, but because the actual needs of heat compensation;
The status of low temperature fast starting, temperature uniformity, because each part of all because it is associated with the heat temperature automatic regulation;
It has the advantages of convenient installation, simple maintenance, all-day service, high level of automation, low operation and maintenance cost;
The safe and reliable, wide application, no environmental pollution, long service life.
Two, product introduction
①low temperature series DXW ( DWK, DKW, ZKWD, DBW domestic same type ) low temperature control heating cable ( self limiting type electric tropical ) - corresponding to foreign model BTV series
This product is dedicated to the pipeline or container storage and instrumentation of the antifreeze and a constant temperature, the highest temperature 70 ±5 ℃maintained, with hotline applicable to common area, the dangerous area and the corrosion area.
( 1), copper core wire: 7 x 0.32, 7 x 0.42, 7 x 0.50, 19 x 0.32
( 2), conductive plastic layer: PTC, PTC, flame retardant containing fluorine PTC low temperature control heating cable ( self limiting type electric tropical ) ( 3), the insulating layer: modified polyolefin, flame retardant polyolefin, fluorinated polyolefin, full fluorine materials
( 4), a shielding layer: Tinned Soft round copper wire, the coverage density of 80%
( 5), a sheath layer: modified polyolefin, flame retardant polyolefin, fluorinated polyolefin, full fluorine materials
Performance parameters:
Standard colors: black, blue.
Temperature range:
The highest working temperature 65± 5℃;
Maximum surface temperature 85 ℃;
Maximum withstand temperature: 105 ℃modified polyolefin, flame retardant polyolefin 135 ℃, fluorinated polyolefin 180 ℃, 205 ℃total fluoride materials
Construction temperature: -40℃lowest,
Thermal stability : breaking the 1000 for 22 consecutive days, hot-wire heat maintained at 90%, or above.
Around the bend radius: 20℃for 12.7mm, -30 ℃for 35.0mm
Insulation resistance: ambient temperature of 75℃, 2500VDC shake table to shake test for 1 minutes, insulation resistance ( conductor and the shield room ) the minimum value is 100,
Working voltage: 12V, 24V, 36V, 110V, 220V, 380V
10 ℃power output: 10, 15, 25, 35, 45W/m
Explosion proof mark: ExII6, explosion-proof level: T6
The temperature in the range of ZXW ( ZWK, ZKW, ZKWZ, ZBW domestic same type ) temperature in the temperature control heating cable ( self limiting type electric tropical ) - corresponding to foreign model QTVR series
This product is dedicated to the pipe or container storage and instrumentation of the antifreeze and constant temperature and local heating, sustain maximum temperature is 105 ℃, with hotline applicable to common area, the dangerous area and the corrosion area.
( 1), tinned round copper wire ( 7 x 0.50, 7 x 0.32, 19 x 0.41 )
( 2), conductive plastic ( PTC, PTC, PTC flame retardant containing fluorine ) temperature in the temperature control heating cable ( self limiting type electric tropical ) ( 3), the insulating layer: modified polyolefin, flame retardant polyolefin, fluorinated polyolefin, full fluorine materials
( 4), a shielding layer: Tinned Soft round copper wire, the coverage density of 80%
( 5), a sheath layer: modified polyolefin, flame retardant polyolefin, fluorinated polyolefin, full fluorine materials
Performance parameters:
Standard color: Black ( the cable protecting layer of color: black, brown )
Temperature range: sustain maximum temperature 105 ℃,
Maximum surface temperature is 105 ℃,
The highest temperature of 135℃under,
Construction temperature: -30℃lowest,
Thermal stability : breaking the 1000 for 22 consecutive days, hot-wire heat maintained at 90%, or above.
Around the bend radius: 20, at room temperature 12.7mm, -30 ℃for 35.0mm
Insulation resistance: ambient temperature of 75℃, 2500VDC shake table to shake test for 1 minutes, insulation resistance ( conductor and the shield between the minimum 100MΩ)
Working voltage: 12V, 24V, 36V, 110V, 220V, 380V
10 ℃power output: 25, 35, 45, 55, 65, 75W/m
Explosion proof mark: ExII T4
The high temperature range of GXW ( GWK, GKW, ZKWG, GBW domestic same type ) high temperature control heating cable ( self limiting type electric tropical ) - corresponding to foreign model XTV series
This product is dedicated to the required intermittent high temperature steam purge ( up to 215300min ) of the process pipeline or container storage tank antifreezing and constant temperature and local heating, sustain maximum temperature of 135, with hotline applicable to common area, the dangerous area and the corrosion area.
( 1), tinned round copper wire ( 7 x 0.50, 19 x 0.32, 19 x 0.41 in ) high temperature control heating cable ( self limiting type electric tropical ) ( 2), conductive plastic ( PTC, PTC, PTC flame retardant containing fluorine )
( 3), the insulating layer: modified polyolefin, flame retardant polyolefin, fluorinated polyolefin, full fluorine materials
( 4), a shielding layer: Tinned Soft round copper wire, the coverage density of 80%
( 5), a sheath layer: modified polyolefin, flame retardant polyolefin, fluorinated polyolefin, full fluorine materials
Performance parameters:
Standard color: Brown, blue, orange, red.
Temperature range: sustain maximum temperature 135 ℃
Maximum surface temperature is 135 ℃
The highest temperature of 155℃under
Construction temperature: -30℃lowest
Thermal stability : breaking the 1000 for 22 consecutive days, hot-wire heat maintained at 90℃.
Around the bend radius: 20℃for 25.4mm, -30 ℃for 50.8mm,
Insulation resistance: ambient temperature of 75℃, 2500VDC shake table to shake test for 1 minutes, insulation resistance ( conductor and the shield room ) the minimum value is 100,
Working voltage: 12V, 24V, 36V, 110V, 220V, 380V
10, output power: 25, 35, 45, 55, 65, 75W/m
Explosion proof mark: ExII T4
The special series ( TXW )
This product is dedicated to long transmission pipeline anti freeze and constant temperature, the highest temperature maintenance for 65, 105, 135, a single power line lengths up to 2000m ( bidirectional up to 4000m ). With hotline applicable to common area, the dangerous area and the corrosion area.
Performance parameters:
Standard color: Black ( the cable protecting layer of color: black, brown, red)
Temperature range: sustain maximum temperature 65, 105, 135 ℃
Maximum surface temperature is 70, 105, 135 ℃
Maximum withstand temperature 135, 105, 155 ℃
Construction temperature: -30℃lowest
Voltage grade: 380-600VAC.3 4 core
Product parameter
Name type nominal power ( W/m .10 C) sustain maximum temperature ( c ) the highest of bearing temperature ( c ) maximum surface temperature ( c ) minimum installation temperature ( c )
Low temperature universal electric tracing band DXW 10-35 ≤70105, -40≤80
Low temperature wide with tropical DXKW 10-35 ≤ 70105, -40≤80
Temperature in the universal type electric tracing band ZXW 15-45 ≤105135, -40≤110
The temperature in the wide type electric tracing band ZXKW 15-45 ≤ 105135, -40≤110
High temperature universal electric tracing band GXW 25-70 ≤135155, -40≤140
High temperature wide type electric tracing band GXKW 25-70 ≤ 135155, -40≤140
Heating automatic temperature control electric tracing band CNXW 10-25 ≤70105, -40≤80
The basic structure and classification
Temperature classification
According to the PTC polymer material composition, self-regulating heating cable is divided into a low temperature and high temperature type two class. The market common to polyolefin substrates for the 65 ℃temperature rating of the heating cable and a fluorine-containing material base, 110℃ and 150℃heating cable. Here the temperature level is defined as the heating cable can effectively apply maximum ambient temperature ( MAXIMUMPIPE MAINTENANCE TEMPERATURE ). Can also be understood as a cable can be long-term and stable application and produce effective heating output power maximum ambient temperature exceeds the set temperature, level, on one hand because the resistance increased, the cable itself output power is small, the heating efficiency is very low. On the other hand, the long-term temperature used, so that the cable properties such as: PTC characteristics, such as heating power deterioration or attenuation, would reduce the service life of the cable and the operation reliability. But during the short break exposed to over temperature extreme temperature environment, can be. Therefore, in addition to the above temperature grade, automatic temperature control heating wire, another temperature rating. As of 65 ℃temperature rating of the cable, the temperature rating of 85℃, 110℃temperature ratings for the cable, 130 ℃, 150℃for cable, is 230 ℃. However, the effective output power cable was close to zero. The relevant literature is too little, a lot of people for self-regulating heating cable temperature rating with the wrong understanding, think it refers to the heating cable for maximum surface temperatures, therefore, there was 45.65,85 and 105 ℃temperature grade polyolefin heating. But in fact, as the cable output power and environment temperature, and the cable surface temperature and test temperature, insulation state have a close contact. Therefore, using surface temperature to define the self-regulating heating cable temperature grade is not science, is not accurate. We need to remember is, for polyolefin substrate heating cable its maximum continuous operating temperature should not exceed 65 ℃.
According to the heating output power classification
Automatic temperature control heating cable output power refers to the environmental temperature is 10 degrees centigrade condition, the output power of unit length of cable. According to the heating power output classification, automatic temperature control heating cable low high school has three types. In general, the heating power less than 35 W / m for the low power heating cables; heating power is greater than 35 and less than 70 w / M w / m for the power heating cable heating; and more than 65 w / m for high power heating cable.
According to the application site classification
Universal heating cable: refers to the copper wire, PTC polymer material and a layer of flame retardant sheath formed by heating cable. Mainly used in the occasion of pipeline heating or heat tracing. Explosion proof enhanced heating cable: in general the cable's outer compounded with a layer of metal mesh, this structure cable can effectively eliminate electrostatic and resist external mechanical touch exit. Mainly used in places with explosion-proof requirements. Antiseptic explosion-proof enhanced: the structure of the cable is in the explosion-proof enhanced heating cable metal net layer, and then compounded with a layer of material containing fluorine. With this structure, the heating cable can effectively prevent and resist static, mechanical collision and various corrosive medium. Mainly used in harsh environment or flammable and explosive goods.
According to cable use classification
Ordinary type heating cable: This is a two core structure of heating cable. Consists of two parallel metal wires with polymer PTC materials and flame retardant sheath material or metal mesh and fluorine material sheath. As a result of the diameter of the conductor and the influence of voltage drop along the length of the cable, used in connection in general does not exceed 200 meters in length. Super heating cable which is a special structure of the five core and six core heating cable. In addition to the PTC polymer material cladding two parallel wires, with the direction of another cloth 3-5 root zone of the insulating sheath of metal wire, and metal armor. For the transmission of electrical energy. This particular structure, so that the cable is the longest continuous use cannot be longer than 1100 meters, so it can be used in the oil and airway with heat and oil field downhole heating. Safety type heating cable? This is a three core heating cable. In the cable, in flame retardant sheath along the length direction of the other a surveillance wire cloth. Monitoring wire can keep along the output power changes, current situation, local damage and other timely information is transmitted to a central control room, to understand along heating cable, to ensure the safe and reliable operation.
By applying a voltage classification
Low voltage type: refers to the applied voltage in the range of 12-36V between the heating cable. This type of cable is usually heated power is low, continuous use of not more than 10 m in length. When used to strictly abide by the voltage requirements, otherwise, can lead to cable fire accidents. The application scope of the main civil health care products and travel with heating chair. Voltage type: refers to the applied voltage between 100-660V heating cable. We normally refer to the self-regulating heating cable refer to this type of cable. In practical application, 120 and 250V cable interchangeable, but 120V heating cable 's maximum continuous use length is usually 240V half. This kind of cable length of continuous application of usually no more than 200 meters. High voltage cable?: refers to the applied voltage between 380-650V heating cable. They are mainly for the previously mentioned 5-6 core heating cable. The continuous application of length is usually greater than 500 meters.
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