| After-sales Service: | Yes |
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| Connection: | Welding |
| Head Code: | Round |
| Thread Distribution: | Internal Thread |
| Surface: | Hot Galvanized/Light Oil/Black Painting |
| Material: | Carbon Steel/Stainless Steel |
| Samples: |
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| Customization: |
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Identifying the quality of a flange involves assessing several key factors related to its design, materials, manufacturing process, and performance. Here are some steps you can take to evaluate the quality of a flange:
1.Material: Check the material composition of the flange. High-quality flanges are typically made from materials such as stainless steel, carbon steel, or alloy steel, depending on the application requirements. Ensure that the material meets the specified standards and is suitable for the intended operating conditions (e.g., temperature, pressure, corrosion resistance).
2.Dimensional Accuracy: Measure the dimensions of the flange, including its diameter, thickness, and bolt hole spacing. A high-quality flange will have precise dimensions that conform to industry standards such as ASME B16.5 or EN 1092-1. Check for any deviations from the specified dimensions, as this can affect the fit and performance of the flange.
3.Surface Finish: Inspect the surface finish of the flange for any signs of machining defects, roughness, or surface imperfections. A smooth and uniform surface finish is essential for proper sealing and preventing leakage.
4.Flange Faces: Check the flatness and smoothness of the flange faces, particularly the sealing surfaces where the gasket will be placed. Ensure that the flange faces are free from scratches, pits, or other irregularities that could compromise the integrity of the seal.
5.Bolt Holes: Verify that the bolt holes are accurately drilled and aligned with the corresponding flange faces. Misaligned or poorly drilled bolt holes can lead to uneven bolt loading and potential leakage.
Flanges are widely used in various industries for joining piping systems. Here are some common applications:
1. Oil and Gas Industry: Butt welded fittings are extensively used in oil refineries, petrochemical plants, and gas processing plants for joining pipelines carrying crude oil, natural gas, and various refined products. These fittings are employed in both upstream and downstream processes for conveying fluids under high pressure and temperature conditions.
2. Chemical Processing: In chemical plants, butt welded fittings are used to connect pipelines carrying corrosive chemicals and fluids. These fittings are preferred due to their ability to withstand harsh chemical environments and high temperatures.
3. Water Treatment and Distribution: Butt welded fittings play a crucial role in water treatment facilities and distribution networks. They are used to connect pipes carrying potable water, wastewater, and various chemicals involved in the treatment process.
4. Power Generation: Butt welded fittings are utilized in power plants for connecting pipelines carrying water, steam, and other fluids used in the generation of electricity. These fittings are critical for maintaining efficient and reliable operation of power generation systems.
5. Shipbuilding and Marine Applications: Butt welded fittings are commonly employed in shipbuilding and marine industries for piping systems onboard vessels. They are used for various applications including ballast systems, fuel lines, and freshwater distribution.
6. Food and Beverage Industry: Butt welded fittings are utilized in food processing plants and beverage production facilities for connecting pipelines carrying liquids such as milk, juice, and beer. These fittings are often made from stainless steel to meet sanitary requirements.
7. HVAC (Heating, Ventilation, and Air Conditioning): Butt welded fittings are used in HVAC systems for connecting pipes carrying heating or cooling fluids. They are critical components in maintaining comfortable indoor environments in residential, commercial, and industrial buildings.
8. Construction and Infrastructure: Butt welded fittings are used in construction projects for plumbing systems, fire protection systems, and infrastructure development. They are employed in applications such as water supply lines, sewage systems, and irrigation networks.
9. Automotive Industry: Butt welded fittings find application in automotive manufacturing for various fluid handling systems including fuel lines, brake lines, and hydraulic systems. These fittings ensure reliable performance and safety in automotive applications.
Suppliers with verified business licenses
Audited Supplier 
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