ASTM E84-20 1500kg Flammability Testing Equipment UL910 Steiner Tunnel Test Appatatus
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Detailed Product Description
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UL910 Wire Cable Flame Transmission and Smoke Test Horizontal
Tunnel Furnace Nfpa 262 Introduction: UL910 equipment determining values of flame-propagation distance
and optical smoke density for electrical and optical-fiber cables
that are intended to be installed in ducts,plenums,and other spaces
used to transport environmental air without the cables being
enclosed in raceways in those spaces. Standards: UL910, ASTM E84-20 Features: The fire test chamber is exactly the same as that of UL fire lab. The fire test chamber is a rectangular horizontal duct with a removable lid. The sides and base of the chamber are lined with an insulating firebrick. One side of the fire testing chamber is provided with double quartz observation windows with the inside pane flush mounted. Multiple windows are located along the tunnel so that the entire length of the test sample is observable from outside the fire chamber. The lid is consist of a removable noncombustible metal and mineral composite structure. The lid covers the fire test chamber and the test samples maintains in an unwarped and flat condition. Two NFP elbow gas burners delivering flames upward against the surface of the test samples. Remote spark ignition mode, to ensure the safety. An air intake shutter is located upstream of the burner. Six refractory firebricks along the side walls of the chamber for proper combustion. The static pressure meter inserted through the top at the midwidth of the tunnel below the ceiling. The exhaust end is fitted with a gradual rectangular-to-round transition piece. The exhaust duct is insulated with high temperature mineral composition material. An exhaust fan is installed at the end of the exhaust duct. The air flow and draft pressure are controlled by automatically damper and Frequency converter. A photometer system consisting of a lamp and photocell mounted on a horizontal section, and with the light beam directed upward along the vertical axis of the vent pipe. Thermocouples installed inside and outside the floor of the test chamber. Data acquisition system and software. Installation requirements:
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| Product Tags: textile flammability testing horizontal flammability tester |
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