UL910 Steiner horizontal tunnel furnace

1. Scope of application:

It is suitable for CMP grade wire and cable test and optical cable air duct test. It is required to lay a number of samples on the horizontal air duct of the test device, and burn them with an 86KW gas Bunsen burner (300,000BTU/Hr) for 20 minutes. The eligibility criterion is that the flame does not extend more than 5 feet (1525 mm) from the front of the gas Bunsen burner flame. The peak value of optical density is 0.5 and the average density value is 0.15. This CMP cable is typically installed in ventilation ducts or in air return booster systems used in air handling equipment and is approved for use in Canada and the United States.

2. Compliant standards:

2.1 Comply with UL910 "Test Method for Fire and Smoke Characteristics of Electrical and Optical-Fiber Cables Used in Air Handling Spaces transporting environmental air" standard.

2.2 Compliant with NFEPA 262 "Standard Method of Test for Flame Travel and Smoke of Wires and Cables for Use in Air-Handling Spaces" standard requirements;

3. Main performance parameters:

3.1 Instrument composition: intake chamber, intake gate, combustion test chamber (tunnel furnace), gas burner, removable top cover, exhaust transition section, exhaust duct, exhaust duct wind speed measurement system, smoke density measurement system, Exhaust pipe wind speed control, gas analysis system, computer acquisition and control and soot purification system.

3.1 Intake chamber

3.1.1 Structure: It is composed of L-shaped stainless steel plate and stainless steel components;