Zhongxiang steel plate cutting-flange material processing

There are holes in the flange, and the bolts tightly connect the two flanges. The flanges are sealed with gaskets. Flanges are divided into threaded connection (threaded connection) flange, welding flange and clamping flange. Flanges are always used in pairs, low-pressure pipelines can use wire flanges, and welding flanges can be used with pressures above four kilograms. Add a sealing gasket between the two flanges and tighten them with bolts. Flanges of different pressures have different thicknesses and use different bolts. When water pumps and valves are connected to pipelines, some parts of these equipment are also made into corresponding flange shapes, also called flange connection. Any connecting parts that are closed together by bolts at the periphery of two planes are generally called flanges, such as the joints of ventilation ducts. This kind of parts can be called flange parts. But this connection is only a part of the equipment, Such as the connection between the flange and the water pump, It is not easy to call the water pump a flange part. Relatively small ones, such as valves, can be called flange parts.
Because flanges have good comprehensive properties, they are widely used in chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, electric power, aerospace, shipbuilding and other basic projects.
The national flange standard was jointly issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the China National Standardization Administration Committee, and is a recommended standard that will be implemented from now on.
/ ~A total of the following standards are included to replace the national standard
/ Steel pipe flange types and parameters
/ Solid steel pipe flange
/ Necked steel pipe flange Pipe flange
/ Butt welding steel pipe flange
/ Neck flat welding steel pipe flange
/ Neck socket welding steel pipe flange
/ Right Welded ring necked loose sleeve steel pipe flange
/ Plate type flat welded steel pipe flange
/ Butt welded ring plate type loose sleeve steel pipe flange
/ Flat welded ring plate type loose sleeve flange Sleeve steel pipe flange
/ Flanged ring plate type loose sleeve steel pipe flange
/ Steel pipe flange cover
/ Steel pipe flange
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