Bunched Cable Test Apparatus
Description
The purpose of the Bunched Cable Test Apparatus is to assess the flame propagation properties of several insulated cables grouped vertically. It is commonly used to simulate real-life cable tray and shaft conditions in buildings, tunnels, power plants, and industrial facilities, allowing for the determination of how cables behave when installed together and exposed to fire. The device accurately evaluates the self-extinguishing qualities, heat release, and flame spread of a bundle of cables by exposing it to a controlled flame source for a predetermined amount of time. The burner assembly, air supply system, exhaust arrangement, and vertical test chamber are all expertly designed to guarantee consistent and dependable results. Manufacturers can use the test results to confirm that their cables fulfill the necessary performance standards for flame-retardant and fire safety.
Bunched Cable Test Apparatus: Designed to meet international fire testing standards like IEC and IS specifications, this apparatus is crucial for product development, quality control, and certification of fire-resistant and flame-retardant cables. Power, control, optical fiber, and communication cables used in critical infrastructure can all be tested with it. The Bunched Cable Test Apparatus is an essential tool for cable manufacturers, testing labs, R&D facilities, and regulatory agencies concerned with improving fire safety and compliance in electrical installations because of its sturdy design, precise flame control, and easy-to-use operation.
Features :
- Stainless steel test chamber with dimensions 1000 plus/minus 100 * (W) * 2000 plus/minus 100 * (D) * 4000 plus/minus 100 * (H) mm;
the inner surface is elevated above the ground and insulated at the rear for heat protection. - Supplied with a corrosion-resistant stainless steel ladder, compliant with GB/T18380.31 standard.
- Includes 2 spare sample holders for ease of operation.
- Ladder construction ensures ease of cleaning and long service life.
- Equipped with a bottom-mounted air inlet (800±20 W x 400±10 D mm) positioned 150±10 mm from the front face.
- Fitted with a 2mm K-type thermocouple for temperature monitoring inside the test chamber.
- Controlled airflow system maintains a stable flow of (5000 ± 500) L/min during combustion.
Combustion System:
- Uses a belt-type propane burner (257 mm x 4.5 mm) with 242 precision-drilled holes arranged in 3 lines (81, 80, 81), each hole of 1.35 mm diameter and spaced 3.2 mm apart.
- Integrated high-precision ball valve for reliable gas shut-off control.
- Includes air and gas flow meters with control valves for accurate mixture regulation.
- Safety-enhanced design with a flame stop tube to prevent gas tempering and ensure operator protection.
- Standard combustion angle is horizontal; system includes an automatic ignition device. An optional 20-degree angle configuration is also available.
- Automated gas-air compensation via computer-controlled program-eliminating manual tuning errors seen in conventional setups.
Control System :
- Advanced PLC-based control unit with large touch screen interface.
- Features automatic ignition and timing capabilities; range up to 999 minutes with 1-second precision.
- Built-in data logging and storage system with instant retrieval function.
- Reminder alarms at 40 minutes and 60 minutes intervals enhance operator monitoring.
- Specimen mount lifting handled by electric crane for smooth operation.
Apparatus Parameters:
- Test chamber dimensions: 1000 plus/minus 100 * (W) * 2000 plus/minus 100 * (D) * 4000 plus/minus 100 * (H) mm
- Anemometer accuracy: ±0.1 m/s
- Airflow range: up to 8000 L/min, adjustable output at (5000 ± 500) L/min
- Fuel: 95% pure technical-grade propane
- Flow control conditions: 100 kPa at 20°C
- Gas type: Propane or LPG
Apparatus Parameters:
- Model : DNG-FRT-01
- Equipment Size : 1165(W) * 2165(D) * 4350(H) * mn
- Console Size : | 600(W) * 750(D) * 1600(H) * mm
- Power Supply : AC 220V, 50/60 Hz, 15A
- Total Weight : Approx. 1500 kg
- User Manual : Provided