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14 CFR Part 25, Section 25.853 Appendix F Part IV OSU Heat Release Rate Tester

Brand Name:	Gold
Model Number:	GD-OSU
MOQ:	1
Price:	negotiation
Delivery Time:	30 works day
Payment Terms:	L/C,D/P,D/A,T/T,Western Union

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

ISO

Name:

14 CFR Part 25, Section 25.853 Appendix F Part IV OSU Heat Release Rate Tester

Standard:

FAA 14 CFR Part 25, Appendix F, Part IV

Dimensions:

760mm (W) X 1850mm (H) X 850mm (D)

Weight:

218KG

Power:

220 V, 35 Amps

Gas:

Methane

Packaging Details:

plywood box

Supply Ability:

1 per 30 works days

Highlight:

OSU heat release rate tester

14 CFR Part 25 heat tester

Section 25.853 compliance tester

Product Description

OSU Heat Release Rate Tester for Aircraft Materials

The OSU Rate of Heat Release Apparatus is an essential testing instrument for evaluating the fire resistance of aircraft interior materials. This equipment strictly complies with U.S. Federal Aviation Administration (FAA) regulations 14 CFR Part 25.853(d) and Appendix F Part IV, as well as Chapter 5 of the FAA Aircraft Materials Fire Test Handbook. Developed by Ohio State University, this instrument simulates real aircraft cabin fire conditions using a radiant heat flux of 35 kW/m² to test heat release rates of large-area cabin materials.

The system accurately measures peak heat release rate (≤65 kW/m²) and total heat release over 2 minutes (≤65 kW*min/m²), known in the industry as the "65/65" standard. This enables material suppliers and aircraft manufacturers to ensure their products meet FAA certification requirements, significantly enhancing aircraft cabin fire safety.

Compliance Standards

FAA 14 CFR Part 25, Appendix F, Part IV: Test Method to Determine the Heat Release Rate from Cabin Materials Exposed to Radiant Heat - Core regulatory basis for OSU heat release rate testing of aircraft cabin materials.

FAA Aircraft Materials Fire Test Handbook - Chapter 5: Heat Release Rate Test for Aircraft Materials - Detailed test procedures equivalent to Appendix F Part IV requirements.

ASTM E906 / ASTM E906-14 (Revised Version): Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter - Revised OSU version commonly used in aerospace industry testing.

Test Material Applications

Interior ceiling panels (excluding lighting lenses and windows)
Interior wall panels (excluding lighting lenses and windows)
Blockers (excluding transparent panels required for cabin safety)
Galley structures, including storage trolleys, standard containers, and exposed cavity wall surfaces
Large cabinets and cabin storage compartments
Overhead bin linings and partitions

Technical Specifications

1. Stainless steel combustion test chamber with high-temperature resistant glass observation window

2. Heat radiation source: 4 Glowbars heating rods providing 35kW/m² heat radiation flux

3. Two independent PID temperature controllers for precise heating temperature control

4. Fully automatic pneumatic sample propulsion device with shielded door mechanism

5. Upper burner and movable lower burner system

6. Rotor flowmeter for adjusting gas flow rates of upper and lower burners

7. Movable T-type calibration burner device with flow controller

8. Mass flow controller for automatic thermopile temperature calibration

9. Water-cooled heat flux meter with cooling system for measuring burned surface heat radiation flux

10. Airflow temperature control device providing constant temperature and flow air to test chamber

11. Orifice plate flowmeter for measuring flow rate and pressure entering test chamber

12. Complete data acquisition system with heat release standard test software

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products details

14 CFR Part 25, Section 25.853 Appendix F Part IV OSU Heat Release Rate Tester

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