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Brand Name : PRECISION
Model Number : SBB20
Certification : ISO
Place of Origin : CHINA
MOQ : 1
Price : $3000
Payment Terms : T/T
Supply Ability : 100/month
Delivery Time : 15 working days
Packaging Details : Standard export packaging
Customized support : OEM ODM
Origin : China
Material : Stainless Steel
Usage : Combustion equipment
Application : Test
Function : Independent research and development
3. Technical parameters
Test chamber | Dimensions: L1243mm * W460mm * H1661mm, made of stainless steel plate with high temperature electrostatic baking paint. Lower part has a fixed opening 50 mm high. Upper part has a smoke exhaust port. Wall of the box body has a 30 mm thick insulating and non-flammable protective layer made of 1/8 of vermiculite concrete (8 rubites, 1 vanadium cement). Has an exhaust passage with forced suction and regulator, connected to the exhaust port of the test chamber, and equipped with a transparent observation window. Adopts stainless steel tubular air inlet device with a filtering device to shield indoor pollution sources. |
Radiator | Epiradiator heat radiation device, rated power 500W, radiation surface is a quartz disk with a diameter of 100 卤 5mm. Spiral groove in the disk with 6 turns of resistance wire for heating. Has a heat flux density of 3 W/cm虏 in a parallel plane of 30 mm from the radiating surface and is as uniform as possible. |
Sample support frame | Rectangular U-shaped frame made of three angle irons with a high-end open state. Welded with a fixed mark on the angle irons on both sides to measure the length of the flame. Welded with two clips for fixing the net on both sides when needed. Mounted on the same bracket as the radiator. Plane is inclined at 45掳, and the low end is 250 mm from the bottom of the test chamber. Radiator is adjusted so that the radiant disk surface is parallel to the plane of the sample support frame with a spacing of 30 mm. The center line of the radiant disk is in a plane equidistant from the left and right sides of the sample support frame, and the lower end of the radiant disk is about 40 mm away from the lower end of the sample. |
Guard net | Made of 3mm diameter steel wire, divided into two forms for materials with insufficient rigidity and those with obvious creep during the test. Placed on the sample support frame to ensure the distance between the sample surface and the radiating surface of the radiator meets the specified requirements. |
Fire-fighting device - Lower ignition device | Jet portion has a circular arc shape with a radius of 100 mm and an effective length of 180 mm. |
Fire-fighting device - Upper igniter | Upper part is rectangular, effective length of the lance is 60mm, inner diameter of the nozzle is 6mm, with small holes of diameter 0.6mm and hole spacing of 20mm. |
Gas | Butane or propane gas |
Length of the pilot fire | 15 mm |
Each pilot | Equipped with a valve with an accurate indicator to regulate the flow of gas. Needle valve controls the upper and lower burner flame heights and is equipped with a flame height gauge. At the rear of the pilot, there are two fixed ignition tubes that can ignite the jet. Regulating portion of the pilot device is placed outside the test chamber to adjust the distance between the pilot and the sample during the test. |
Temperature measuring device | Five thermocouples (nickel-chromium-nickel-aluminum-magnesium alloy thermocouples) placed in the center of the test chamber exhaust port and four diagonals, and five thermocouples are placed on the horizontal line at the bottom of the tank. The temperature difference between the airflow and the input end shows the temperature difference value status in real time. |
Electric control cabinet dimension | L770 x W600 x H1810 mm |
Working power | AC220V, 50HZ |
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NFP92 Epiradiator Thermal Radiation Flame Propagation Tester Images |
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