Cable and fiber optic cable line integrity combustion testing machine | ASTM ISO Testing Machine
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The Cable and Fiber Optic Cable Line Integrity Combustion Testing Machine is designed to evaluate the fire resistance and circuit integrity of cables and optical fibers under extreme flame conditions. It provides precise control over flame temperature, real-time monitoring, and modular testing capabilities, ensuring accurate compliance with international fire safety standards.
Application
This device is used for testing cables and optical fibers that are required to maintain circuit integrity when subjected to a flame with a temperature of at least 750°C (with controlled heat output) during a separate fire test.
Standard
GB/T19216.21-2003：Tests for electric cables under fire conditions - Circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0.6/1.0 kV
IEC60331-21：Tests for electric cables under fire conditions - Circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0.6/1.0 kV
GB/T19216.23-2003：Tests for electric cables under fire conditions - Circuit integrity - Part 23: Procedures and requirements - Electric data cables
IEC60331-23：Tests for electric cables under fire conditions - Circuit integrity - Part 23: Procedures and requirements - Electric data cables
GB/T19216.25-2003：Tests for electric cables under fire conditions - Circuit integrity - Part 25: Procedures and requirements - Optical fibre cables
IEC60331-25：Tests for electric cables under fire conditions - Circuit integrity - Part 25: Procedures and requirements - Optical fibre cables
Feature
Modular Design: The equipment features a modular combustion chamber design, equipped with a Venturi mixing burner and a gas fuel system. Flame temperature is precisely controlled via dual flow meters.
Multiple Test Modes: The equipment supports fire resistance performance verification of AC 1000V/3A lines and can simulate complex environments such as vibration and water spray.
Real-time Monitoring: The equipment provides quantitative data for cable fire resistance performance evaluation by real-time monitoring of the current on/off status of the cables.
Standard Compliance: The equipment complies with GB/T19216 and IEC60331 series standards, ensuring the scientific accuracy and reliability of the tests.
High-Efficiency Combustion Device: The equipment utilizes a ribbon-type propane burner with staggered nozzle arrangement and a sophisticated design to meet the testing needs of samples with different wire diameters.
Parameters:
| Description | Details |
|---|---|
| Combustion chamber design | The combustion chamber is formed as a whole cube by fixing appropriate materials on angle iron supports. |
| Inner dimensions | 3m x 3m x 3m, totaling 27 cubic meters. It can be either a brick - wall structure or a steel - plate structure, subject to customer choice. |
| Sample holder | The sample is supported by two or three metal rings with an inner diameter of approximately 150mm. |
| Combustion device | |
| - Burner | A band - type propane gas burner with a Venturi mixer, having a nominal length of 500mm and a width of 15mm. |
| - Flow meters | Air flow meter: 80L/min; Propane flow meter: 5L/min. |
| - Burner control system components | Pressure - regulating valve, piezoelectric igniter, flame - out device, temperature - controlling thermocouple, gas source (to be provided by your company), regulating valve, ignition device, gas pipeline, flow meter, Venturi mixer, burner, ball valve, air pipeline, compressed air cylinder (to be provided by your company). |
| - Timer | Can be set arbitrarily from 0 to 99.99s/m/h. |
| - Ignition device | Automatic ignition. |
| - Temperature controller | Composed of two temperature - monitoring sections, with a temperature range that can be set arbitrarily from 0 to 1000℃. |
| Circuit load | |
| - Test transformers | Three 3000VA transformers. |
| - Test voltage | AC1000V. |
| - Test current | 3A. |
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