Vertical Fire Resistance Test Furnace for Building Elements Manufacturer | ISO 834 & ASTM E119 Fire Testing Equipment
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Parameters
| Item | Specification |
|---|---|
| Number of Burners | 12 proportional flat-flame burners (6 on each side, 5 m furnace length) |
| Operating Temperature | Maximum test temperature 1250 °C |
| Design Temperature | 1350 °C |
| Combustion Mode | Low-speed proportional flat-flame diffusion combustion |
| Gas & Air Pressure | ≤ 4000 Pa |
| Flame Length | ≤ 500 mm |
| Furnace Temperature Measurement Points | 9 points |
| Thermocouple Sleeve Extension | ≥ 25 mm |
| Temperature Accuracy | < ±15 °C |
| Fuel Gas | Liquefied petroleum gas |
| Equipment Dimensions | 3 m (W) × 3 m (L) × 1.25 m (H) |
| Power Supply | AC 380 V, 70 kW |
| Equipment Weight | Approx. 5 t |
Features
Stable Furnace Structure
Frame-type furnace body with refractory bricks and high-temperature insulation fiber ensures thermal stability while minimizing heat loss to the surrounding environment.
Safe and Practical Platform Design
Steel platforms are installed around the furnace to facilitate operator movement and on-site inspection.
Automatic Flame-Out Protection
If a burner extinguishes unexpectedly, the control system immediately triggers visual and audible alarms and automatically cuts off the LPG supply to the affected burner while allowing other burners to operate normally.
Comprehensive Gas Supply Control
Equipped with gas solenoid valves, proportional valves, ball valves, and gas transmitters to ensure accurate gas flow control and operational safety.
Optimized Combustion Air Control
Combustion air is supplied by a dedicated blower with frequency control to maintain an appropriate air–fuel ratio.
Independent Control System
Dedicated control components are used to manage combustion processes and accurately simulate standard fire curves.
Automatic Temperature Curve Correction
The actual furnace temperature curve is continuously compared with the preset curve, and deviations are automatically corrected through burner output adjustment.
Complete Data Storage
All automatic control and test data are stored in the computer system for traceability and accuracy verification.
Accessories
(1) Proportional flat-flame burners
(2) Gas solenoid valves and proportional valves
(3) Combustion air blower with frequency inverter
(4) Gas pressure regulators and filters
(5) Exhaust duct with refractory brick structure
(6) High-temperature exhaust fan with inverter
(7) PLC-based control system
(8) Computerized data acquisition and monitoring system
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