Fire Extinguishing Performance Test Equipment

1. Scope of application:

1.1 Applicable to GB4066-2017 standard fire extinguishing test for class A fire;

1.2 Applicable to GB4066-2017 standard fire extinguishing test for Class B and C fires;

1.3 Applicable to ISO 7165:1999 standard fire extinguishing test for class A fire;

1.4 Applicable to ISO 7165:2009 standard fire extinguishing test for class B fire. Excluding 8B, 13B

1.5 Applicable to the fire extinguishing tests for Class A and B fires in Sections 7.2 and 7.3 of ISO 11601:1999 "Wheeled fire extinguishers—Performance and Construction", excluding 297B.

2. Compliant standards:

2.1 Comply with Section 6.12 of GB4066-2017 "Powder extinguishing agent" and Appendix C, Appendix D "Fire Extinguishing Performance";

2.2 Comply with Section 8.1 "Rating suitability for the various classes of fire" of ISO 7165:2009 "Fire fighting—Portable fire extinguishers—Performance and Construction";

2.3 Comply with Section 7 "Fire Performance test" of ISO 11601:2017 "Fire fighting—Wheeled fire extinguishers—Performance and Construction".

3. Main technical parameters:

3.1 Test space:

3.1.1 The height is 7.5m, the volume is 1700m3, and the length and width are greater than 15m*15m;

3.1.2 The 4 corners of the room have adjustable air intake holes, with a total ventilation area of 4.5m2 or more;

3.1.3 The ground is a smooth concrete floor;

3.1.4 Ambient temperature: controlled at 0°C~30°C;

3.2 GB4066-2017 Standard Class A fire extinguishing test:

3.2.1 Standard 3kg dry powder fire extinguisher:

3.2.1.1 Gauge initial pressure: (1.2±0.1) MPa;

3.2.1.2 Nozzle diameter: Ф4mm;

3.2.1.3 Inner diameter of nozzle: Ф10mm;

3.2.1.4 Nozzle length: 400mm;

3.2.1.5 Cylinder diameter: Ф127.4mm;

3.2.1.6 The cylinder volume is 3.8L;

3.2.1.7 The inner diameter of the siphon tube is Ф12mm;

3.2.1.8 The distance between the siphon and the bottom of the cylinder is 13mm~16mm;

3.2.2 Wood moisture meter: accuracy ±1%;

3.2.3 Stopwatch: division value 0.1s;

3.2.4 Fuel: aliphatic hydrocarbon compound, the distillation range is 84°C~105°C, the temperature difference between initial and final distillation is ≤10°C, the volume content of aromatic hydrocarbon is ≤1%, and the density at 15°C is (700±20) kg/m3.

3.3 Test bracket:

3.3.1 A total of 7 brackets:

3.3.2 GB4066 standard 2A is the same as ISO7165 standard 2A, and the level codes are 1A, 2A, 3A, 4A, 6A, and 10A, a total of 6;

3.3.3 ISO11601 standard: one grade code 15A and 20A;

3.3.4 Structure: it can support wooden stacks, and the space between them is the size of 8 ignition discs;

3.3.5 Material: Made of 40mm*40mm stainless steel square tube. The bracket height is 400mm±10mm;

3.3.6 Wood strips: the buyer should prepare them by himself;

3.4 Ignition plate:

3.4.1 There are 8 in total: one for level code 1A, 2A, 3A, 4A, 6A, 10A, 15A, and 20A;

3.4.2 Material: square, made of stainless steel;

3.4.3 Fuel: gasoline for automobiles;

3.5 scales: range 0.1kg~500kg; precision 0.5kg.

3.6 GB4066 standard fire extinguishing performance test of Class B and C

3.6.1 Special 3kg dry powder fire extinguishing device:

3.6.1.1 One nitrogen charging device; (optional)

3.6.1.2 Pressure: (1.30±0.05) MPa;

3.6.1.3 Cylinder specifications: inner diameter about 350mm, volume (12.0±0.2) L;

3.6.1.4 Nozzle diameter: about Ф9.5mm;

3.6.1.5 Pipeline: the inner diameter is ≥15mm, the total length (a+b+c)≤4.0m; there are two 90° elbows, and the internal volume of the pipeline is >1.20L;

3.6.1.6 Tank pressure: ≥2.5MPa, precision ≥0.4;

3.6.2 Steel oil pan: diameter (1884±20) mm, height (200±15) mm, wall thickness 2.5mm;

3.6.3 Stopwatch: division value 0.1s; (general purpose)

3.6.4 Anemometer: accuracy ±0.3m/s;

3.6.5 Calibration measuring cup: Ф80mm in diameter, 100mm in height, and anti-rebound sponge of dry powder fire extinguishing agent inside, 24 pieces in total;

3.6.6 Fuel: shared with GB4066 standard for class A fire;

3.7 Standard ISO 7165, ISO 11601 Class B fire extinguishing test

3.7.1 Test oil pan: one for fire extinguishing class 8B, 13B, 21B, 34B, 43B, 55B, 70B, 89B, 113B, 144B, 183B, 233B, 297B;