In a fast-evolving industry, Prime Steel Industries remains adaptive, ensuring that its products and services align with the dynamic demands of the market.

Contact Info

+91 9326 427 729 +91 22-6639-4806 +91 22-6752-1181
sales@primesteelcorp.com

Corporate Off: No.6, Ground Floor, 32, Parekh House,

7th Khetwadi, Mumbai – 400004, Maharashtra, India.

BS4504 Flange - Manufacturer of BS4504 Blind Flange, BS4504 Weld Neck Flange in India

Supplier of BS4504 Plate Flange, BS4504 Threaded Flange | PN 2.5 to PN 400

Prime Steel stands out as a reputable Manufacturer and Supplier of BS 4504 flanges, offering a comprehensive range of high-quality products designed to meet the stringent requirements of piping systems. Specializing in precision engineering and adhering to British standards, We have established itself as a trusted name in the industry. We provide various BS 4504 flanges, including welding neck, slip-on, threaded, blind, and other types, catering to various applications.

How To Choose BS4504 Flange

  • Identify Flange Type

  • Understand Dimensions

  • Select Facing Type

  • Determine Pressure Class

  • Material Compatibility

  • Quality and Standards Compliance

Get a Quote
sales@primesteelcorp.com
Live Chat Support
Start Here!

Specifications of BS4504 Flange

Standard 01

BS4504 (British Standards)



Size range 02

½ inch (15 NB) to 48 inches (1200NB) / DN10 - DN2000


Class / Pressure 03

PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN320, PN400

Flange Face Type 04

Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ)


Materials 05

Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel & Super Duplex Steel, LTCS, Nickel Alloy

APPLICATIONS 06

oil and gas, petrochemicals, Water Treatment and Desalination, Power Generation, Mining Industry

Products

PSC Brochure
Download

Similar Products

Buttweld Grades

What is BS4504 Flange?

BS 4504 is a British standard that outlines specifications for flanges used in piping systems. Flanges are essential components in pipelines, connecting pipes and providing a means for easy assembly and disassembly of various components like valves, pumps, and other equipment. BS 4504 flanges cover a range of types and are commonly used in applications where British standards are applicable.

BS 4504 aims to standardize the design and use of flanges to ensure compatibility and safety in piping systems. When using BS 4504 flanges, it's important to adhere to the specifications outlined in the standard and consider factors such as pressure, temperature, and material compatibility for the specific application.

  1. Types of Flanges: BS 4504 includes specifications for various types of flanges, such as welding neck, slip-on, threaded, blind, and others. Each type serves specific purposes in piping systems.

  2. Dimensions: The standard outlines dimensions for flanges in terms of size, flange diameter, bolt hole diameter, and thickness. These dimensions vary based on the type and pressure class of the flange.

  3. Facing Types: BS 4504 provides information about facing types for flanges, including flat face, raised face, and ring-type joint. The facing type influences the sealing characteristics of the flange.

  4. Pressure-Temperature Ratings: Tables are included in the standard to indicate the pressure-temperature ratings for flanges made from different materials and in various pressure classes. This information is crucial for selecting the appropriate flange for a given application.

  5. Materials: The standard covers flanges made from a range of materials, allowing users to choose the material that suits the requirements of their specific application.

BS4504 Blind Flange

A BS 4504 Blind Flange is a type of flange specified by the British Standard BS 4504. Blind flanges, like other flanges in the BS 4504 standard, are available in various pressure classes denoted by the term "PN" followed by a numerical value (e.g., PN6, PN10, PN16, etc.). The pressure class indicates the maximum allowable working pressure for the flange at different temperatures.

BS4504 Weld Neck Flange

A BS 4504 Weld Neck Flange is a specific type of flange that conforms to the British Standard BS 4504. The Weld Neck Flange variant is designed for welding to the end of a pipe in accordance with the dimensions and specifications outlined in the BS 4504 standard. When selecting and using BS 4504 Weld Neck Flanges, it is essential to consider factors such as the pressure class, material compatibility, and adherence to the standard's specifications.

BS4504 Plate Flange

A BS 4504 Plate Flange is a type of flange specified by the British Standard BS 4504. Similar to other flange types in the BS 4504 standard, Plate Flanges are available in various pressure classes, denoted by the term "PN" followed by a numerical value (e.g., PN6, PN10, PN16, etc.). The pressure class indicates the maximum allowable working pressure for the flange at different temperatures.

Check BS 4504 Flange Dimensions Download

BS 4504 and EN 1092 are both standards related to flanges, which are components used to connect pipes, valves, and other equipment in various industrial applications. While they serve a similar purpose, there are differences between the two standards.

  1. Geographical Origin:

    • BS 4504: This standard is British and was developed by the British Standards Institution (BSI).
    • EN 1092: This standard is European and falls under the EN (European Norm) system. It was developed by the European Committee for Standardization (CEN).

  2. Applicability:

    • BS 4504: Historically, BS 4504 has been widely used in the United Kingdom and some other countries following British standards.
    • EN 1092: This standard is part of the European system and is adopted by countries within the European Union.

  3. Numbering and Classification:

    • BS 4504: The standard uses a different classification system compared to EN 1092. It includes various tables, such as Table D, Table E, Table F, etc., each indicating different pressure ratings.
    • EN 1092: It uses a different classification system with designated PN (Pressure Nominal) ratings, such as PN6, PN10, PN16, etc. PN ratings are based on the pressure-carrying capacity of the flange.

  4. Material Specifications:

    • BS 4504: It may have different material specifications based on the specific table and application requirements.
    • EN 1092: It provides more detailed specifications for materials and may align with European material standards.

  5. Design and Dimensions:

    • BS 4504: The design and dimensions of flanges under BS 4504 may differ from those under EN 1092.
    • EN 1092: It has its own set of design and dimension specifications.
BS 4504, PN16 and PN25 refer to different pressure ratings assigned to flanges. The PN (Pressure Nominal) rating indicates the maximum allowable working pressure at a specific temperature for a given flange. Here's a comparison between BS 4504 PN16 and PN25:

  1. Pressure Ratings:

    • BS 4504 PN16: This designation indicates a flange with a pressure rating of 16 bar (1600 kPa) at a specified temperature. It is suitable for applications where the working pressure does not exceed 16 bar.
    • BS 4504 PN25: This designation indicates a flange with a higher pressure rating of 25 bar (2500 kPa) at a specified temperature. It is suitable for applications where the working pressure does not exceed 25 bar.

  2. Applications:

    • BS 4504 PN16: Typically used in applications where the operating pressure is moderate and does not exceed 16 bar. Common in industries with lower-pressure requirements.
    • BS 4504 PN25: Suitable for applications with higher operating pressures, where the system requires a flange that can withstand pressures up to 25 bar.

  3. Material and Design:

    • The material specifications and design details for both PN16 and PN25 flanges under BS 4504 would generally be in accordance with the requirements of the standard. These may include specifications for materials, dimensions, facing types, and other relevant design features.

  4. Compatibility:

    • It's essential to ensure that the selected flange with either PN16 or PN25 rating is compatible with other components in the system, such as pipes, valves, and fittings, which must also have compatible pressure ratings.

  5. Installation Considerations:

    • When choosing between PN16 and PN25 flanges, consider the specific requirements of the application, including the fluid type, temperature, and pressure conditions. It's important to follow the relevant guidelines and standards for proper installation.
BS 4504, PN10, PN40, and PN64 are different pressure ratings assigned to flanges. The PN (Pressure Nominal) rating represents the maximum allowable working pressure at a specific temperature for a given flange. Here's a comparison between BS 4504 PN10, PN40, and PN64:

  1. Pressure Ratings:

    • BS 4504 PN10: This designation indicates a flange with a pressure rating of 10 bar (1000 kPa) at a specified temperature. It is suitable for applications where the working pressure does not exceed 10 bar.
    • BS 4504 PN40: This designation indicates a flange with a higher pressure rating of 40 bar (4000 kPa) at a specified temperature. It is suitable for applications where the working pressure does not exceed 40 bar.
    • BS 4504 PN64: This designation indicates a flange with an even higher pressure rating of 64 bar (6400 kPa) at a specified temperature. It is suitable for applications where the working pressure does not exceed 64 bar.

  2. Applications:

    • BS 4504 PN10: Typically used in applications where the operating pressure is relatively low, and a lower pressure rating is sufficient.
    • BS 4504 PN40: Suitable for applications with higher operating pressures, where the system requires a flange that can withstand pressures up to 40 bar.
    • BS 4504 PN64: Used in applications with even higher operating pressures, where a higher pressure rating is necessary.

  3. Material and Design:

    • The material specifications and design details for PN10, PN40, and PN64 flanges under BS 4504 would generally be in accordance with the requirements of the standard. These may include specifications for materials, dimensions, facing types, and other relevant design features.

  4. Compatibility:

    • It's crucial to ensure that the selected flange with either PN10, PN40, or PN64 rating is compatible with other components in the system, such as pipes, valves, and fittings. All components must have compatible pressure ratings.

  5. Installation Considerations:

    • When choosing between PN10, PN40, and PN64 flanges, consider the specific requirements of the application, including the fluid type, temperature, and pressure conditions. Follow the relevant guidelines and standards for proper installation.
PN stands for Pressure Nominal, and it represents the nominal pressure rating of a flange. It indicates the maximum allowable working pressure at a specified temperature.
Common pressure ratings in BS 4504 include PN6, PN10, PN16, PN25, PN40, PN64, PN100, and PN160, each corresponding to different pressure levels.
PN10, PN40, and PN64 are different pressure ratings for BS 4504 flanges. They represent maximum allowable working pressures of 10 bar, 40 bar, and 64 bar, respectively.
BS 4504 flanges are classified into different tables (e.g., Table D, Table E, Table F) based on their dimensions, drilling, and pressure ratings. Each table corresponds to specific design and application requirements.

Contact us directly to get the right solution for your project.

we have 25+ years of experience for give you better quality Products
Read More Contact Us
Oil & Gas Industrial Product Needs