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
