UL1581 Combustion Testing Machine Vertical and Horizontal Combustion Test Chamber

Test Method:

Adjust the flame height, put the top of the flame under the specimen, burn for 15 seconds, extinguish for 15 seconds, repeat 5 times to check the specimen incineration, burn, extinguish time and the number of repetitions, and can be operated automatically.

Standards:

It is produced in strict accordance with UL1581 sect 1080.1~1080.14 standard, and has been approved by Guangzhou Meihua UL company, and meets the VW-1 (V-ertical-specimen) Flame Test combustion test standard. It is applicable to the VW-1 of UL1581, UL13, UL444 and UL1655 and the FT-1 and FT-2 test standards of CSA. It is economical and widely used by a large number of wire and cable industry.

Parameter Details:

The entire test was carried out in a sealed laboratory with a volume of 4.32 cubic meters.

Combustion chamber:

1. Effective space: 2.4m (length) * 1m (width) * 1 .8m (height)

2. Dimensions: 2.4m (length) * 1m (width) * 2.5m (height)

3. Material:

Exterior: square steel frame structure, thickened 1.5mm steel plate electrostatic baking dark green paint;

Interior: Electrostatic baked black lacquer.

4. Observation window:

two left and right sliding windows; The viewing window is tempered glass;

The surrounding is edged with SUS304 stainless steel;

Size: 730mm (height) * 420mm (width).

5. Operation window: 4 in total

Inner space size: 150mm;

Periphery: 3.0mm stainless steel edging;

Sealed with long-arm leather gloves with a length of 600mm;

Total peripheral dimensions: 220mm.

6. Exhaust system:

two spiral exhaust fans;

The sealing push-pull plate is 2.0mm stainless steel;

Both sides are provided with sliding grooves;

One set of remote control operation device: a. two sets of steel rope type b. two sets of pulleys

7. Air inlet: 4 in total

Size: 160mm;

The sealing push-pull plate is a 2.0mm stainless steel plate;

There are sliding grooves on both sides.

8. Bottom Fixing Stand:

Size: 2.4m (length) * 1m (width) * 0.7m (height);

Using 60mm*60mm*4mm angle iron, electrostatic baking dark green paint;

Foot pulleys: six, including 4 pulleys with locks.

9. Lighting equipment: adopt an anti-fog and smoke-proof round lamp

Test part

1. Nozzle:

1. The angle is 20 degrees

2. 1 internal flame regulating valve

3. 1 external flame regulating valve

4. 1 internal flame contact point marking ruler

5. 1 low flag ruler

6. 1 test length ruler

7. 1 flame gauge

8. Test fixing frame: a. Material: steel plate after fine processing and paint b. Color: pure black

9. The test box is made of SUS304 stainless steel after fine machining

10. The bottom of the test frame: a. two pieces of 2.0mm steel plate b. Size: 700mm (length) × 450mm (width) c. Color: black paint for electrostatic baking

11. Vertical and horizontal tests are designed independently

12. The test box is additionally extended with a long arm push rod

13. 3 horizontal burning signs

Control part

1. Burning indication 1pcs

2. Combustion setting: 0-99.99 seconds arbitrary setting

3. 1 stop ignition indicator

4. Stop ignition setting: 0-99.99 seconds arbitrary setting

5. Combustion count: 0-999999 times arbitrarily set

6. It has the functions of automatic combustion, combustion, stop ignition and counting

7. It has vertical/horizontal conversion function

8. It has automatic ignition function

9. It has manual/automatic conversion function

10. The ignition is a high-pressure ignition method

11. The test part is connected with the control, using aviation plug, and the contact is very close

Air source control:

1. Gas: Methane is recommended (provided by the user)

2. Flowmeter: 1 (American Dwyer VA20430 type)

3. U-tube pressure gauge: 1 (Dwyer 1230-36 type)

4. 1 gas tee joint

5. Trachea: high-pressure trachea