INTERMEDIATE SCALE INDICATIVE FIRE RESISTANCE TEST FURNACE

INTERMEDIATE SCALE INDICATIVE FIRE RESISTANCE TEST FURNACE

Norme

EN 1363-1 , ISO 834

Furnace Chamber

Furnace Casing: Mild Steel Fabricated Structure

Chamber Dimension: 2500mmx1500mm 1500mm Deep

Refractory Material: Insulating Fire Bricks Grade 28

Heating Mode

Burners shall be mounted on the sidewalls of the furnace

Burner Make: The burner is made of Schneider/shineng, the solenoid valve is made of Honeywell (USA), and the proportional valve is made by Hockert (Germany).

Combustion Air Blower : 1 unit

Combustion Control Panel：

Construction: Front Access powder coated cubicle

Master Temperature Controller: German Siemens PLC control and Taiwan Advantech

Number of Heating Zones: One (1) zone control

Furnace Chamber Pressure System:

Pressure Transmitter type: Differential Pressure Transmitter

Range: -50 Pascals to +50 Pascals including adjustments for zero setting

Servo motor-controlled damper: 1

Automatic Furnace Damper Control System: 1

Damper Construction: Heat Resistant Metal

Other minimum requirements

Furnace ceiling enclosure insulated with low thermal insulation

The combustion system is able to generate heat within the furnace chamber according to the standard Time- TemperatureCurve for a duration of up to 240 minutes

Furnace wall lining/insulation shall be made of ceramic fiber modules or an equivalent material that has a classification temperature and density that meets the requirements of test standards.

The burner quarls shall be made of dense refractory castable according to burner manufacturer's specifications

Provision for connecting 25 specimen thermocouples as well as 5 additional channels for furnace chamber  thermocouples, ambient thermometer and exhaust duct thermocouple.Provision for connecting 1 pressure transmitter to monitor furnace chamber pressure.

At least two viewing ports on the rear wall for observing the entire test specimen on the fire-exposed side of the Test Specimen.

Provision of refractory lined Test Specimen Restraint Frame for mounting vertical test specimen (2 mx 1.5 m complete with standalone supports to keep the frame upright

Provision of refractory lined Test Specimen Restraint Frame for mounting horizontal test specimen (1.5 mx 1.5 m complete with standalone 4 legged platform to support the frame during the installation of the test specimen.

Provision of measuring devices as follows: one set of 50 Specimen Thermocouples, 4 sets of Furnace

Thermocouples (ASTM E119), 4 sets of Plate Thermometers (EN 1363-1), Thermocouple Pads for 25 pcs

Specimen Thermocouple (ASTM E119), 25 pcs Specimen Thermocouple Pads (EN 1363-1), 1 kg of Thermocouple pad adhesive, 1 set cotton pad holder, 1 set gap gauge (6 mm), 1 set Gap Gauge (25 mm), 1 set Roving

Thermocouple with handheld thermometer

Provision of smooth adjustment system for the thermocouples in the furnace, to withdraw them at the end of the test to protect them from damage

Provision of Industrial Nozzle Mix Gas burners operated with liquefied gas supplied through a vaporization

Specifiche tecniche

Size of furnace: front opening - 2000 mmx 1500 mm and

ceiling opening - 1500mmx 1500mm to

test specimen size of 2000mmx 1500 mm (Vertical); 1500 mmx 1500 mm (Horizontal)

Heating power: 1600kW

Type of Burner: 5 units, Medium Velocity Nozzle Mix Type

Maximum Furnace Temperature: 1250 degree celsius

Test Standards: ISO834-1.EN 1363-1. ASTM E 119. UL263. BS 476 part 20

Electric Supply (Furnace): 415 V +/- 10%, 50 Hz, 4- wire system, 150 Amperes