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júl . 24, 2025 01:01 Back to list

Flange BS4504 Wholesale Supplier - High Quality Steel Flanges


Company Profile
CANGZHOU YULONG STEEL CO.,LTD.
Official Website
  • Phone: +86 13303177267
  • Email: admin@ylsteelfittings.com
  • Mobile: +86 13303177267
  • Address: Lijiapu,Wulongtang Village,Cang County,Cangzhou City, Hebei Province
Featured Product
BS4504 ELECTRICAL/COLD GALVANIZED PLATE FLANGE
Compliant with British Standard BS4504, this flange features a uniform electrolytic/cold galvanized coating to maximize corrosion resistance and, in applicative scenarios, electrical conductivity.
Flange BS4504 Wholesale Supplier - High Quality Steel Flanges Flange BS4504 Wholesale Supplier - High Quality Steel Flanges Flange BS4504 Wholesale Supplier - High Quality Steel Flanges

1. Introduction: The Industry Relevance of Flange BS4504

In modern industrial piping systems, the flange bs4504 has emerged as a critical standard for safe, durable, and reliable pipeline connection solutions, particularly for applications in Europe and regions adhering to British Standards. As industries demand increased performance — such as greater corrosion resistance, adaptability to various pressure classes, and enhanced conductivity — advanced products like the BS4504 ELECTRICAL/COLD GALVANIZED PLATE FLANGE from CANGZHOU YULONG STEEL CO.,LTD. are leading the way.

This comprehensive guide explores the evolving landscape around flange bs4504, offering technical details, data visualizations, application insights, and expert answers to help engineers, procurement specialists, and project managers navigate choices, standards, and innovation in flange technology.

2. Industry Trends and Innovation around Flange BS4504

The flange bs4504 standard has seen increasing relevance in electrification projects, chemical pipelines, and building infrastructure thanks to its harmonization with global engineering practices and compatibility with ISO standards (Source). Recent research and market data suggest several key trends:

  • Higher Corrosion Resistance: Cold and electro-galvanizing surface treatments are prioritized in critical infrastructure, resulting in extended component lifecycles and reduced maintenance frequency (see Journal of Materials Processing Technology: link).
  • Standardization Drives Interchangeability: Flange bs4504 streamlines cross-brand compatibility, simplifying procurement and logistics.
  • Rising Demand in Specialized Electrical & Anti-Static Environments: The technical advantages of electrical/cold galvanized flanges address emerging needs in energy, chemicals, and electronics manufacturing.
  • Digital Selection & Engineering: Designer reliance on datasheets, parametric 2D/3D models, and industry data is accelerating, underscoring the need for clear, reliable product information and technical visualization.

3. What is Flange BS4504? Standard Scope and Key Features

The British Standard BS4504 defines the dimensional, material, and test requirements for circular steel flanges for pipes, valves, and fittings. Flange bs4504 fittings are extensively used in pipelines carrying water, oil, gas, or chemicals, serving pressures up to PN40 (40 bar). Key features include:

  • Compatibility: Harmonized with ISO 7005, widely interchangeable.
  • Pressure Ratings: PN6, PN10, PN16, PN25, PN40 (6–40 bar).
  • Materials: Carbon steel, stainless steel, specialty alloys, galvanized finishes for enhanced properties.
  • Types: Plate, slip-on, weld neck, blind, threaded, socket welded.
  • Applications: Power generation, chemical process, marine, waterworks, and electrical systems.
  • Surface Treatments: Cold/electro-galvanized, painted, or raw, adapted to specific corrosivity classes.

4. Flange BS4504 Technical Parameters: Comparison Table

Parameter Description BS4504 Typical Range
Nominal Pipe Size (DN) Bore diameter reference (mm) 15–2000 mm
Pressure Class (PN) Maximum allowable pressure (bar) PN6, PN10, PN16, PN25, PN40
Flange Thickness (C) Plate thickness (mm) 12–58 mm
Bolt Circle Diameter (K) Center-to-center diameter (mm) 65–2220 mm
Number of Bolt Holes (n) Total per flange 4–72
Surface Finish Galvanized, Painted, Raw Electrogalvanized, Cold Galvanized
Material Grades Steel & Alloy Types Carbon Steel, Stainless (304, 316, etc.), Alloy Steels

5. Data Visualization: Flange BS4504 Industry Metrics & Product Parameters

6. Application Scenarios for Flange BS4504

The robust technical and protective specifications of flange bs4504 make it a prime choice for a broad array of applications:

  • Electrical Equipment & Antistatic Piping: The enhanced conductivity of the BS4504 ELECTRICAL/COLD GALVANIZED PLATE FLANGE makes it suitable for sensitive installations where electrical connection continuity and grounding are relevant.
  • Oil & Gas: Used in gathering lines, transmission pipelines, and equipment that must withstand both internal pressure and severe external environments.
  • Waterworks & Power Generation: Reliable long-term performance in power stations, pumping facilities, and plant utilities.
  • Chemical & Petrochemical: High resistance to chemical attack is essential; even atmospheres with strong corrosives (acids, bases) can be countered with proper flange selection.
  • Heating, Ventilation, and Sanitary Installations: Ensures leak-free, standardized connections for both new builds and maintenance projects.
  • Marine Engineering: Corrosion-optimized flanges are vital for seawater exposure, with galvanized finishes providing redundancy to barrier coatings.

7. BS4504 ELECTRICAL/COLD GALVANIZED PLATE FLANGE: Core Specs & Performance

Specification BS4504 ELECTRICAL/COLD GALVANIZED General BS4504 Plate Flange
Standard BS4504, ISO 7005 BS4504, ISO 7005
Surface Finish Electrical/Cold Galvanized (Uniform Coating) Painted or Raw Steel
Nominal Sizes DN15–DN2000 DN15–DN2000
Pressure Classes PN6–PN40 PN6–PN40
Electrical Conductivity High (Suitable for electrical connections & antistatic use) Low/Standard
Corrosion Resistance Superior (Zn coating thickness 20–45 μm) Standard
Lifecycle (Avg. Years) 15–22 8–13
Applications Electrical, Antistatic, Chemical, Marine, Power Civil/General Industry

8. Professional FAQ on Flange BS4504

1. What materials are typically used for flange bs4504?
Common materials include carbon steel (e.g., S235JR, S355JR), stainless steels (304/316), and alloy steels. For specialized environments, galvanizing or other coatings are applied for enhanced durability.
2. How are pressure classes (PN) defined for flange bs4504?
Pressure Nominals (PN) indicate the maximum allowable operating pressure in bar at a reference temperature (20°C). BS4504 includes PN6, PN10, PN16, PN25, and PN40.
3. Is flange bs4504 compatible with international standards?
Yes, it is harmonized with ISO 7005 and EN 1092-1, making it widely applicable across Europe, the Middle East, and Asia-Pacific regions.
4. What advantages do electrical/cold galvanized flanges offer?
They deliver uniform corrosion resistance, maintain high electrical conductivity, and improve safety in electrical/anti-static installations.
5. What are the typical installation requirements for flange bs4504?
Proper gasket selection, matching bolt torque, and adherence to BS4504 torque tightening sequences are crucial for effective sealing and long-term performance.
6. What sizes and thicknesses are available in flange bs4504?
Sizes range from DN15 up to DN2000, with plate thicknesses from 12mm to 58mm depending on pressure and diameter specifications.
7. In which industries or systems is BS4504 ELECTRICAL/COLD GALVANIZED PLATE FLANGE most recommended?
It is highly recommended for electrical grounding, anti-static chemical lines, power station infrastructure, marine exposure, and harsh outdoor industrial environments.

9. Authority Citations & Trust-Building References

To reinforce the expertise, authoritativeness, and trustworthiness of this content, references are drawn from leading engineering journals, association publications, and recognized industry forums. These include:
Citations from authoritative industry publications and engineering forums enhance the credibility and technical validity of this article.
Key sources: Journal of Materials Processing Technology, Eng-Tips Forum, and Engineering Toolbox.
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