| Standard: | ANSI, DIN, GB, JIS, GOST, BSW |
|---|---|
| Type: | Welding Flange |
| Material: | Carbon Steel |
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| Material | There is a wide variety of materials, including carbon steel (such as A3, Q235, A105, 10#, 20#, Q345, etc.), stainless steel (such as 304, 316, 316L, 2205, 2507, 201, 304L, 321, etc.), and alloy steel (such as 12Cr1MoV, 15CrMoV910, 15Mo3, 15CrMoV, 12CrMoV, 45Cr, 50Cr, etc.). Different materials have different properties and can be selected according to the characteristics of the usage environment and the medium to meet the requirements of corrosion resistance, strength, etc. |
| Specification and Size | The size is relatively large, specifically including parameters such as the outer diameter, inner diameter, and thickness. For example, there may be a large-sized flange with an outer diameter of 2600mm, an inner diameter of 2400mm, and a thickness of 50mm. Its size design needs to be determined according to factors such as the pipeline diameter, pressure rating, and connection method in the actual project. |
| Pressure Rating | Commonly seen ones are 0.25MPa, 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa, etc. Under different pressure ratings, the maximum size of large-sized flanges varies. For example, under the pressure standard of 2.5MPa, the maximum size of a large-sized flange can reach DN800; while under the pressure standard of 0.25MPa - 1.6MPa, the maximum size can reach DN2000. The selection of the pressure rating should be determined according to the working pressure of the pipeline system to ensure that the flange can withstand the corresponding pressure during use and guarantee the safe operation of the system |
| Connection Method | Welding connection is usually adopted, especially the butt-welding connection method is relatively common. This connection method can provide high connection strength and good sealing performance, and is suitable for working conditions with high temperature, high pressure, and high requirements for sealing performance. It can ensure that there will be no problems such as leakage in the pipeline system during long-term operation. |
| Production Process | There are mainly three production processes: forging, rolling, and splicing. For large-sized flanges with excessively large sizes, the rolling and splicing processes are generally used. First, cut the medium plate into appropriate strips, roll them into circles with a ring rolling machine, weld the joints, and then carry out subsequent processes such as flattening, machining the water line, chamfering, and drilling to meet the dimensional accuracy and surface quality requirements of the flange. |
| Implementation Standard | There are multiple implementation standards, such as the GB/T13401 - 2005 standard for butt-welded pipe fittings made of steel plates, the SH3409 - 96 standard for steel butt-welded pipe fittings of the petrochemical department, the GD2000 standard for pipe fittings of the power department, the ASME B16.9 standard for pipe fittings of the American standard, etc. Different industries and projects may select corresponding standards according to specific requirements to ensure the quality and interchangeability of large-sized flanges. |
| Application Field |
It is widely used in the pipeline systems of many fields such as petroleum, chemical industry, electric power, metallurgy, water treatment, and municipal engineering. In these fields, large-sized flanges are used to connect large-diameter pipelines, reactors, storage tanks and other equipment, playing the roles of sealing, connecting, and supporting to ensure the safe and stable operation of the pipeline system.
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Dingxiang Jinyu Forging Co., Ltd. is located in Dashagou Village, jiangcun Township, Dingxiang County, Xinzhou,known as the "hometown of Chinese forging", with a registered capital of 5 milion yuan. Superior geographical location, 100 kilometers away from the provincial capital Taiyuan, with convenient and fast road and railway transportation. Rich in coal, electricity, and iron resources, we are a professional manufacturer of forged fanges and pressure vessel forgings; We have the ability to integrate design, raw material procurement, cutting, forging, heat treatment, machining, mechanical testing, non-destructive testing, mechanical typing, painting, packaging, and shipping operations. The annual production capacity is over 10000 tons, with specifications ranging from DN15 to DN6000mm. The maximum weight per unit of finished products is 20 tons, and the pressure ranges from 150-2500 pounds, including national standards, American standards, British standards, German standards, Japanese standards,and non-standard fanges and forgings.
Q1: Can l obtain samples?
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