Fire hood (also known as motor vehicle exhaust spark extinguisher, car exhaust fire hood, spark extinguisher, spark extinguisher, fire hood, fire hood, car fire hood, car fire stopper, car fire hood, fire hood) is a kind of motor vehicle exhaust pipe installed after the fire hood allows the exhaust flow through the fire hood and to prevent the exhaust flow of flames and sparks within the fire, fire prevention, fire stopping devices. Is to protect the national key fire prevention units and all transportation vehicles in the flammable and explosive areas must be equipped with important products for safety and fire prevention. Apply to the key fire units and warehouses and yards, oil fields, forests, coal mines, petrochemical liquefied petroleum gas plants, paper mills, airports and other fire-banning areas. The product is very convenient and quick to install, just match the caliber specifications of the product with the open end of the clamping hoop set in the corresponding motor vehicle exhaust pipe, and then tighten the clamping hoop on both sides of the nut can be.

Fire cover generally includes three parts: cover top, cover circumference and cover skirt. The top of the cover is equipped with graphite and other expansion materials made of heat sinks, heat sinks are equipped with air holes, heat sink expansion, air holes are automatically closed, so that the outside air can not enter the fire cover from the air holes, which will be burned to control the area within a certain range, to prevent the rapid spread of fire.