16 CFR 1633 Flammability of Mattress Test Chamber

Introduction

This test equipment is designed according to GB/T 34441-2017, it can test combustion performance of soft furniture mattress exposed to flame ignition source.

The test part of this equipment can meet the requirements of GB/T 20286, GA 111-1995, ISO 9705-2, GB/T 27904-2011 and GB/T 25207-2010 "Test Method for Solid Room Fire of Surface Products"

Standards

• GB/T 34441-2017
• GB/T 20286-2006
• GA 111-1995
• ISO 9705-2
• GB/T 27904-2011
• 16 CRF 1633.

Main features

1.Testing room: Testing room can be built as closed or open(CFR 1633 standard requires test room can be built as closed or open.)

Closed test room:

The room is made of rock wool board. There are no openings except door and video surveillance windows

The size of the test room is 3660 ± 25mm in length, 3050 ± 25mm in width and 2438 ±25mm in height.

• The door is 2032 ± 6 mm high and 965 ± 6 mm wide.
• Quartz glass monitor window, size 150x150mm.
• The fume hood is located outside the door (smoke outlet) to collect smoke;

Open test room:

• The fume hood is positioned directly above the sample and the bottom edge is 2400 mm away from the ground.
• Conical collector size: 3000mm X 3000mm, height 1000mm
• The conical collector has 900mm X 900mm X 900mm X 900mm cubic mixing chamber on the top, and the mixer is installed inside

2.The smoke exhaust pipe consists of a diversion section (x2), a straight section, a measuring section and a fan

The measuring section is equipped with wind speed probe, thermocouple, optical system and sampler.

Smoke exhaust capacity of fan is not less than 0.5m³/s

3.Control cabinet

• 19 inch standard cabinet, simple appearance, science and technology
• Control system center, integrated computer, display, analyzer, cold trap, control and data acquisition system.
• 19 inch display, Labview control software, electronic control and pneumatic configuration panel.
• Computer: CPU I3, memory 4G, hard disk 500G Win7/Win10 system

4.Equipped with imported analyzer (domestic analyzer is optional)

• Measurement of Gas Concentration of O2, CO2 and CO.
• O2:The range is 0-100%, the error is less than 0.01%, the repeatability is less than 0.01%, and the response time is less than 7s.
• CO2: Range: 0-10%, error: 1% FS, repeatability < 2%, response time < 7s
• CO: range 0-1%, error 1% FS, repeatability < 1%, response time < 8s

5.Optical system, one-button 5-level automatic transmittance calibration device.Light source is 0.5mW Laser Generator.

• Imported Silicon-based Amplified Photoelectric Detector
• Imported filters (25%, 50%, 79%)
• Motor Driven Optical Wheel and Positioning Device

6.Wind Speed Control System

• Two-way probe, 304 stainless steel, 32mm in length and 14mm in diameter, separated into two separate chambers
• Imported Micro-differential Pressure Transmitter, Range 0-2000 Pa, Resolution 1%FS
• Three-phase frequency converter fan, closed-loop control of frequency converter, wind speed can be set, adjustable

7.Gas sampling system

• Sampler, 304 Stainless Steel
• Ash filter, secondary filter, precision filter (0.2um), three-stage filter system, remove impurity particles in sample gas.
• Refrigerator, compressor condenser, precise control of the temperature of gas collected at 4℃±1℃, condensation dewatering
• Deep filtration of moisture in sample gas by discolored silica gel
• Aspirator pump:gas sampling system adopts sampling diaphragm pump displacement of 10L/min~50L/min

8.Gas control system

• Burner:consisting of two T-shaped burners, surface burner and side burner

Surface burner

• Stainless steel pipe, diameter 12.7 mm, wall thickness 0.89 + 0.5 mm.
• Burner length 306mm, sealed at both ends.
• There are 17 holes in the length of 136 mm on both sides of the central axis. The distance between holes is 8.5 mm, the diameter of holes is 1.45-1.53 mm, and the hole and the horizontal plane are 5°.

Side burner

• Stainless steel pipe, diameter 12.7 mm, wall thickness 0.89 ± 0.5 mm
• Burner length 255mm, sealed at both ends
• There are 14 holes in 110 mm length on both sides of the central axis, with a distance of 8.5 mm and an aperture of 1.45-1.53 mm.
• Mass Flow Controller
• Mass Flow Controller, control the Gas Flow Accurately.
• Surface burner, flow rate 12.9L/min.
• Side burner, flow rate 6.6L/min.
• Surface and side burner heat release rate total 27KW

Ignition Controller

• 15KV High Voltage Pulse Electron Fire
• Flame detection function, ignition failure or flame extinction, the controller will automatically cut off the gas valve.

9. Weighing system (optional, standard GB 20286, GBT27904)

• The weighing system adopts C3 imported weighing sensor, and the weighing data is collected linearly and stored automatically.
• Waterproof design of weighing system to prevent damage to heavy system during fire fighting

10. Video recording

• 12 Megapixel HD Camera
• Video Recording Software

11. Software

• The interface of LABVIEW is modern, simple and rich in functions.
• The software adopts modular design, independent modules such as system setup, system calibration, test, test report, etc.
• The test data can be read by engineering units and physical units, and displayed by data windows and curves and charts.
• The data you want to view can be selected by checking.
• Provide preview function of test report, which can be printed or saved as Excel or PDF.
• Test parameters can be viewed and corrected.
• The test curve can be scaled and dragged.
• The original data, test results and test reports are provided.

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