The pressure grade of the pipeline includes two parts of the nominal pressure grade of the standard pipe fittings; Wall thickness class of standard pipe fittings expressed as wall thickness class. Pressure grade of the pipe: the pressure grade of the pipe is usually called the pressure grade of the pipe, which can reflect the pressure characteristics of the pipe and is determined jointly by the nominal pressure grade and wall thickness grade of the standard pipe fittings in the aluminum pipe. In order to simplify the description, the nominal pressure grade of pipe fittings is often called the pressure grade of pipe. The determination of pressure grade is the foundation and core of pressure pipeline design. It is a prerequisite for the design of pressure pipeline layout and stress check, and also an important factor affecting the infrastructure investment and reliability of pressure pipeline.
Aluminum tube can have one or more closed through holes, wall thickness, uniform cross section, in straight line or roll delivery, aluminum tube is widely used in all walks of life, such as: Cars, ships, aerospace, aviation, electronics, agriculture, mechanical and electrical, home, aluminum tube in our life is everywhere, cutting aluminum tube attention to specific measures will smoke damper installed on the accompanying the car inside aluminum tube and on plasma cutting at point of about 500 mm gun, stay in aluminium tube after cut off, to smoke all absorbed, Note that the smoke smoke baffle plate should be positioned exactly at the position after cutting off. In addition, in order to ensure that the traveling trolley supporting the smoke smoke baffle plate and the aluminum tube rotate in a consistent manner, the traveling wheel Angle of the traveling trolley must be consistent with the Angle of the inner roller.
Consumption in the industrial field is only 32%, the consumption proportion in the industrial field is relatively low, aluminum tube output is 4.96 million t and 2.33 million T respectively. In 2010, the production and sales volume of aluminum profiles in China will exceed 10 million tons, among which the consumption of architectural aluminum profiles is expected to break through 6 million tons. By 2012, the production and sales volume of aluminum profiles in China is expected to reach about 14.4 million tons. The enterprises with advantages in technology research and development, brand, management, channel and capital will become the leading enterprises in the industry restructuring. The comprehensive competitiveness of enterprises based on scale, technology, brand, management and service is increasingly important.
Post time: Dec-15-2021