Electric heating strip (self limiting temperature series) - medium temperature series
  • Electric heating strip (self limiting temperature series) - medium temperature series

Electric heating strip (self limiting temperature series) - medium temperature series

Nominal power: 35W/m, 45W/m, 50W/m, 60W/m Structural types: basic type (J), basic anti-corrosion type (J2), shielded explosion-proof type (P), shielded anti-corrosion type (P2), explosion-proof protection type (PF), explosion-proof anti-corrosion type (PF2)

Electric heating strip (self temperature limiting series)

Medium temperature series: Compared to foreign models QTVR series

1、 Product model:

Z: Temperature level: Medium temperature (Z) series

WL: Temperature controlled heat tracing cable

Nominal power: 35W/m, 45W/m, 50W/m, 60W/m

Structural types: basic type (J), basic anti-corrosion type (J2), shielded explosion-proof type (P), shielded anti-corrosion type (P2), explosion-proof protection type (PF), explosion-proof anti-corrosion type (PF2)

Voltage level: 110V, 220V, 380V, 600V

ZR: Flame retardant core tape

2、 Cable structure diagram:

1. Copper core wire: 7 x 0.50, 7 x 0.32, 19 x 0.41

2. Conductive plastic layer: ordinary PTC, flame-retardant PTC, fluorine-containing PTC

3. Insulation layer: modified polyolefin, flame retardant polyolefin, fluoroplastic

4. Shielding layer: Tinned soft round copper wire, covering a density of 80%

5. Sheath layer: modified polyolefin, flame retardant polyolefin, fluoroplastic

3、 Technical indicators:

1. Standard color: Brown

2. Temperature range: * * * High working temperature 105 ± 5 ℃;

***High exposure temperature of 135 ℃;

***High temperature resistance: modified polyolefin 105 ℃, flame retardant polyolefin 105 ℃

Fluoroplastics 200 ℃

3. Construction temperature: * * * low -40 ℃

4. Thermal stability: After 300 cycles back and forth from 10 ℃ to 149 ℃, the cable's heat generation remains above 90%.

5. Bending radius: 30.4mm at -20 ℃

-40.6mm at 30 ℃

Bending radius: 30.4mm for -20 ℃; 40.6mm for -30 ℃

6. Insulation resistance: When the cable length is 100m and the constant temperature water is 75 ℃; Test insulation resistance * * * with a small value of 20M Ω, available

Shielded or explosion-proof type, use 2500VDC between the shielding layer and the wire core at room temperature of 20 ℃

Shake for 1 minute, and the insulation resistance * * has a small value of 1200M Ω.