Aluminum alloy characteristic ability of high temperature butterfly valve, apply pressure range is higher also, nominal valve size is big, the body is made of carbon steel, the valve plate seal aluminum ring is used to replace the rubber ring, apply to the hvac, central air conditioning, fluctuation of complete sets of equipment, lack of application in the: water, gas, oil, chemical industry, metallurgy, energy, shipbuilding, electric power, petroleum, water treatment, construction and other industries.
