1. Standard Specifications

BS4504 Flange follows the strict standards set by the British Standards Institution. This standard ensures the consistency and reliability of flanges in terms of size, tolerance, material and performance, enabling them to meet precise engineering needs in various application scenarios.

2. Material Selection

Carbon Steel

BS4504 Flange made of carbon steel is a common type. Carbon steel has high strength and good machinability. It can withstand a certain amount of pressure and is suitable for a variety of industrial pipeline systems, such as ordinary fluid delivery pipelines. At the same time, the cost of carbon steel is relatively low, which is an ideal choice for projects that are more cost-sensitive and do not require particularly high pressure.

Stainless Steel

For some environments with high requirements for corrosion resistance, such as chemical, food processing and pharmaceutical industries, BS4504 Flange made of stainless steel performs well. Stainless steel has good corrosion resistance and can resist the erosion of chemicals such as acids and alkalis, ensuring that the pipeline connection is still stable and reliable in harsh chemical environments.

3. Dimensional accuracy

Accurate outer diameter and inner diameter

BS4504 Flange has strict dimensional requirements for outer diameter and inner diameter during the manufacturing process. The accurate inner diameter ensures the matching degree with the pipeline, which can achieve a tight connection and avoid medium leakage; while the accurate outer diameter provides an accurate interface for the connection with other pipe fittings or equipment, which is convenient for installation and docking.

Bolt hole layout

The layout of its bolt holes is strictly designed in accordance with the standard. The accuracy of parameters such as the spacing and diameter of the bolt holes enables the bolts to be accurately installed when the flange is connected with the matching flange, ensuring the tightness and sealing of the connection.

4. Application areas

Oil and gas industry

BS4504 Flange is widely used for pipeline connection in the extraction, transportation and processing of oil and gas. Whether in wellhead equipment, oil pipelines or pipeline systems in refineries, it can provide reliable connections.

Construction engineering

BS4504 Flange also plays an important role in pipeline projects such as water supply and drainage systems and heating systems in buildings, ensuring the stable connection and normal operation of pipelines in buildings.