Vertical Combustion Chamber , Wire Cable Flammability Testing Equipment for UL1581
Compliance with the standard:
Strictly according to UL1581 sect 1080.1 ~ 1080.14 standard production, and approved by Guangzhou Meihua UL company, in line with VW-1 (V-ertical-specimen) Flame Test burning test standards. It applies to VW-1 of UL1581.UL13.UL444.UL1655 and FT-1, FT-2 test standard requirements of CSA. It is economical and widely used by the wire and cable industry.
Test method: Adjust the flame height, place the top of the flame under the test piece, burn for 15 seconds, extinguish for 15 seconds, check the test piece burned after 5 times, set the burning time, extinguishing time and repetition number, and automatically operating.
Parameter details: The entire test was performed 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 (W) * 2.5m (H)
3. Material:
External: Square steel frame structure, thickened 1.5mm steel plate for electric baking dark green paint;
Internal: Electrostatic black paint.
4. Observation window:
Two push-pull windows are left and right; the observation window is tempered glass;
Surrounded with SUS304 stainless steel;
Size: 730mm (height) * 420mm (width).
5. Operation window: a total of 4
Inner space size: ф150mm;
Peripheral: 3.0mm stainless steel edging;
Sealed for long arm leather gloves, length: 600mm;
Total peripheral size: ф220mm.
6. Exhaust system:
Two spiral exhaust fans;
The sealing push-pull plate is 2.0mm stainless steel;
There are slide grooves on both sides;
A set of remote control devices: a. Using steel puller type b. Two sets of pulleys
7, air inlet: a total of 4
Size: ф160mm;
The sealing push-pull plate is 2.0mm stainless steel plate;
There are sliding slots on both sides.
8. Bottom holder:
Size: 2.4m (length) * 1m (width) * 0.7m (high);
Using 60mm*60mm*4mm angle iron, electrostatically baked dark green paint;
Foot pulleys: six of which have 4 lock pulleys.
9. Lighting equipment: A fog-proof smoke round light
Control part:
1. Burning instructions 1
2. Burn setting: 0-99.99 seconds arbitrarily set
3. 1 stop indication
4. Stop setting: 0-99.99 seconds set arbitrarily
5. Burning count: 0-999999 times arbitrarily set
6. With automatic, combustion, stop burning, counting function
7. With vertical / horizontal conversion
8. With automatic ignition function
9. With manual/automatic conversion
10. Ignition is high pressure ignition
11. The test part is connected with the control and the air plug is used. The contact is very tight.
Test part:
1. Nozzle:
1. The angle is 20 degrees
2. Inner flame control valve 1
3. Outer flame control valve 1
4. Inner flame contact point marking rule 1
5. Low flag marking rule 1
6. Test length rule 1
7. Flame measuring device 1
8. Test Fixture: a. Material: After the steel plate is processed and painted b. Color: Pure black
9. The test box is made of SUS304 stainless steel
10. The bottom of the test frame: a. 2.0mm steel plate b. Size: 700mm (length) × 450mm (width) c. Color: black paint for electrostatic baking
11. Vertical and horizontal test independent design
12. Test box plus long arm push rod
13. Horizontal burning flag is 3
Fourth, gas source control:
1. Gas: Methane is recommended (user-supplied)
2. Flowmeter: 1 (US Dwyer VA20430 type)
3. U-tube pressure gauge: 1 (US Dwyer Corporation Model 1230-36)
4. Gas Tee One
5. Trachea: high pressure air tube
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