ISO834-1 Standard Building Component Vertical And Horizontal Furnace For Fire Tests EN13381

DX8364 Building Component Fire Resistance Test Vertical Furnace and Horizontal Furnace (EN13381-8)

Horizontal furnace:

Scope of application: It is suitable for load-bearing and non-load-bearing components such as walls, beams, columns, floor, ceilings and roofs, and other structures, accessories or structures can be used as references. This testing machine is suitable for the test of all components of GB/T9978.1~9 and ISO834-1~9 standards.

Conform to standards:

 ISO834-1:1999 "Fire Resistance Test Building Components Part I: General Requirements"

Main parameters:

Laboratory: 4.5M(length)x4.5M(width)x3.5M(height), the indoor use of high temperature insulation materials.

Loading device: Mechanical loading is adopted to move the overhead crane in the building. Homogeneous, central, pivotal, or eccentric loading can be simulated.

Supporting frame: connected to a wedge bracket on the frame by four rollers.

Thermocouples: including furnace thermocouples, backside heat couples, mobile thermocouples, internal thermocouples, and ambient temperature thermocouples are distributed in various areas.

Furnace pressure measurement probe: T-shaped measuring probe, measurement accuracy ± 2Pa

Specimen gap measuring probe: 6mm diameter ± 0.1mm diameter ±0.2mm diameter

Combustion system: gas distribution system (within 10 meters), flamethrower (not less than 20) and regulating valves

Combustion gas source: propane with purity of more than 95%, liquefied gas (provided by the user)

Gas flow: 0~100L/min Measurement accuracy 2.5 grade

Air flow: 0~50m3/min Measurement accuracy≤±0.5m3/min

Gas tank capacity: ≥50kg×6

Furnace temperature control system: the maximum sampling point is 10 points

ventilation system and control damper, etc

Measuring range of radiant heat on the backfire surface of the specimen: 0~10W/cm2

Vertical Furnace:

Scope of application:

It is suitable for horizontal building components such as walls, beams, columns, floor slabs, and ceilings to determine their fire resistance characteristics under standard fire conditions.

Meet the standards:

ISO834-11999, ISO834-5:200, ISO834-6: :200 and other test requirements.

Performance characteristics:

the use of high-precision multi-bit acquisition card, collection of temperature, pressure, flow and other aspects of the data, through microcomputer analysis, processing and control to produce real-time reproduction of the real information of combustion, and through microcomputer analysis to determine its combustion characteristics, the whole machine all use high-quality devices, to ensure that the system is high-quality, high-speed operation, with advanced.

Technical Parameters:

1. Instrument composition: refractory test furnace, gas flow measurement system, temperature measurement system and pressure measurement and control system.

2. Refractory test furnace: It is a vertical test furnace with an inner size of 4.5m (length), × 3.5m (depth) × 1.25m (height).

3. Furnace structure: steel structure frame is adopted, the furnace wall is built with refractory bricks in the middle of the steel structure frame, and the inner side of the furnace wall is made of high-temperature resistant thermal insulation material, with a density greater than 1000kgpm3. The outer side is wrapped with color steel, the thickness of the furnace lining material is 65mm, and the temperature test temperature in the furnace is up to 1250°C.

4. Temperature measurement system:

1. Thermocouple in the furnace: The furnace adopts K-type nickel-chromium-nickel-chromium thermocouple with a wire diameter of 2.0mm in accordance with GB/T 16839.1, the outer cover is heat-resistant stainless steel pipe sleeve, and the middle is filled with heat-resistant materials, and the length of the hot end protruding sleeve is not less than 25mm, a total of 5 pieces, and the temperature accuracy is <± 15 °C.

2. Temperature measurement of the back fire surface: using a thermocouple with a diameter of 0.5MM, welding at a thickness of 0.2MM and a diameter of 12MM

On the round copper sheet, the large nickel-chrome-nickel-silicon thermocouple in accordance with GB/T16839.1 shall be covered with an asbestos gasket of 30MM long, width and 2.0MM thickness. Total 20

3. Average temperature measurement: 8 thermocouples, suitable for GB/T7633-2008 and GB/T17428-2009

4. Maximum temperature measurement: The thermocouple is the measurement of 20 double doors with fascia that can cover up to the maximum door width of 1200mm.