UL Cable Vertical Tray Fire Testing Equipment
UL Cable Vertical-Tray Flammability Testing Equipment With 5.7inch Color Touch Screen
Application
Apply to check the vertical-tray fire test for determining values of cable flame propagation and smoke release when the cables are subjected to a flaming ignition source. (It is nothing to the purpose of cables, such as the electric power, telecommunications etc.)
Main components
Main consist of Ignition source & supply fire control system, collection hood & exhaust duct flux control system, pressure measurement instrumentation of gas, smoke measurement instruments & temperature measurement system, flame height measurement system etc.
Standards
According to the clause 9.6 & 9.7 of UL1685-2007, UL2556-2007
| Test room | Fire resistance bricks for walls and which density is 1698kg/m3, Interface spray black paint, and the outer size of the room is W2438×D2438×H3353mm |
| Door | Stainless steel frame and wired-glass door, the overall size is W0.9× H2.0m |
| Smoke collection hood | Which made by stainless steel, each side is to be sloped 400, the hood as a cube and each side length is 914mm, there is a dust mesh under the hood and each side length is 610mm |
| Observation window | Which as a square and each side length is 457mm, 1295mm distance from the lower side of the window to floor, 1143mm distance from right of the window to the wall |
| Air inlets | which size are 559×343mm, 914×305mm, 2438×343mm |
| Exhaust duct | L9000×φ406mm, install it at the centered in on the right side of the cube hood |
| Cable tray | H2400mm, the rundle as a square which size is L305×W25×D25, and both rundles distance is 299mm |
| Burner | L341mm×D30mm with 242 holes |
| Gas flux | 13.2L/min, 0.1Mpa for gas pressure |
| Flux checking | The differential pressure flowmeter sense smoke pipeline flow speed , provide basis for the control of fan speed |
| Light transmittance | photocell sense the smoke density during the flaming |
| Height of flame | Infrared visible light show the current height of the flame real-time |
| Special software | Draw up the curve by the pip flow, smoke density, height of the flame ,and form a table automatically, through the printer printing |
| Control system | 5.7inch color touch screen, PLC from Japanese Panasonic, SCM, 16 bits high-performance AD transform etc |
How are fire protection products tested?
Many fire tests are run by official laboratories for the purpose of product certification. However, some manufacturers of fire protection products also maintain their own facilities and run tests for R & D purposes before going to the expense and exposure of a test at a third party facility.
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