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PVC polyvinyl chloride and LSZH halogen-free low-smoke
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PVC polyvinyl chloride and LSZH halogen-free low-smoke

Rated voltage: main control wire core 300/500V; wire pair unit 300/300V; Operating temperature: ambient temperature 0~40°C; the maximum operating temperature of the conductor does not exceed 70°C; the maximum ladder speed: TVVB/WDZ-TYYBG type does not exceed 1.6m/s; TVVBG/WDZ-TVVBG type does not exceed 3.5m/s; THVVBG /WDZ-THYYBG does not exceed 6.3m/s.
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Description
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Description

Features

 

1.1 Rated voltage: main control wire core 300/500V; wire pair unit 300/300V.
1.2 Operating temperature: the ambient temperature is 0~40°C; the maximum operating temperature of the conductor does not exceed 70°C.
1.3 The highest elevator speed: TVVB/WDZ-TYYB type does not exceed 1.6m/s; TVVBG/
WDZ-TYYBG type does not exceed 3.5m/s; THVVBG/WDZ-THYYBG type does not exceed 6.3m/s.
1.4 Suspension length: The free suspension length of the accompanying cable installation does not exceed 35m for TVVB/WDZ-TYYB type, 80m for TVVBG/WDZ-TVVBG type, and 150m for THVVBG/WDZ-THYYBG type.
1.5 Bending radius:
- The fixed laying part should not be less than 5 times the actual short diameter H (short side dimension) of the cable
; both sides shall be parallel).
1.6 Installation of cables:
If there is no tension element, the cable should be clamped and installed with a fixed clip. If there is a tension element, the tension element should be pulled out first and installed with a special sling.
1.7 Service life: 3 million times.

 

display method

 

Features

 

3.1 Main control wire core
3.1.1 Conductor type: Conform to
the fifth type bare copper round flexible conductor in GB/T 3956-2008/IEC 60228:2004 and JB/T 8734.6-2016 . 3.1.2 Insulation requirements: TVVB/TVVBG/THVVBG complies with the PVC/D type 70℃ insulation material in GB/T 5023.1-2008/IEC 60227-1:2007.               WDZ-series should comply with WDZ-Y-J70 insulation material in GB/T 32129-2015. 3.1.3 Structure parameters:

 

Specification

Insulation nominal thickness mm

Maximum Conductor DC Resistance Ω/km at 20 °C

Minimum insulation resistance at the highest operating temperature of the conductor

MΩ·km

0.5

0.4

39.0

0.012

0.75

0.4

26.0

0.011

1

0.5

19.5

0.010

1.5

0.7

13.3

0.010

2

0.4

9.79

0.0090

2.5

0.8

7.98

0.009

3.2 External protection requirements: TVVB/TVVBG/THVVBG conforms to the PVC/ST5 type 70℃ gray material in GB/T 5023.1-2008/IEC 60227-1:2007.
              WDZ-series should comply with WDZ-Y-H70 black material in GB/T 32129-2015.
3.3 Line pair unit (optional)
2×0.75 twisted pair; 2P×0.75 copper shielded twisted pair; 2P3×0.75 aluminum-plastic shielded twisted pair. It is recommended to use a length of no more than 100 meters. If the length exceeds this length, it is recommended to consult a network engineer , such as adding receiving and sending signal repeaters (amplifiers) at both ends of the cable.

 

 

3.4 Coaxial unit (optional)
75Ω coaxial RF cable, it is recommended to use a length of no more than 100 meters. If the length exceeds this length, it is recommended to consult a network engineer, such as adding a signal repeater (amplifier) ​​for receiving and sending at both ends of the cable.

 


1-stranded inner conductor; 2-insulation; 3-braided outer conductor; 4-sheath


3.5 Network cable unit (optional)
UTP-5e, SFTP-5e, UTP-6, SFTP-6, SF/FTP-7, the length of the network cable is recommended to be no more than 90 meters. The terminal increases the signal repeater (amplifier) ​​for receiving and sending.
3.6 Optical cable unit (optional)
G9/125 single-mode, G50/125 multi-mode, G62.5/125 multi-mode.
3.7 The tension element (optional according to the free suspension length)
is symmetrically distributed with 2 tension steel wire ropes on the left and right sides.

 

partial structure

 

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Specification

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