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Blind Flange Manufacturer in China | ASME B16.5 Forged Blind Flange Supplier

Blind Flange Manufacturer in China: Complete Guide to ASME B16.5 Blind Flanges

A blind flange is an important component used in industrial piping systems to close the end of a pipeline, pressure vessel, or equipment connection. As a professional blind flange manufacturer in China, Hebei Yuan Jida provides high-quality forged blind flanges according to international standards, including ASME B16.5, ASME B16.47, EN1092-1, and other customized specifications.

Blind flanges are widely used in industries where pipeline isolation, maintenance, pressure testing, and future expansion are required. Compared with permanent pipe caps, blind flanges can be easily removed and reinstalled, making them an ideal solution for industrial piping systems.

Types of Blind Flanges

According to different facing types and application requirements, blind flanges are mainly divided into the following types:

BLRF (Blind Raised Face Flange)
Blind Raised Face Flanges are one of the most commonly used designs in industrial applications. The raised face provides better sealing performance by concentrating pressure on the gasket area.

BLFF (Blind Flat Face Flange)
Blind Flat Face Flanges are generally used with flat face flanges and are suitable for applications requiring a full-face gasket connection, especially in low-pressure systems.

BLRTJ (Blind Ring Type Joint Flange)
Blind RTJ Flanges are designed for high-pressure and high-temperature applications. The ring groove allows the use of metal ring gaskets to achieve reliable sealing performance.

Blind Flange Manufacturing Process

As an experienced forged blind flange supplier in China, Hebei Yuan Jida controls every production stage to ensure product quality and consistency.

The manufacturing process includes:

  • Raw material inspection and chemical analysis
  • Forging process for improved mechanical properties
  • Heat treatment to enhance strength and durability
  • CNC machining for accurate dimensions
  • Surface finishing according to customer requirements
  • Final inspection including dimensional checking and material verification

Materials Available

Our blind flanges are available in various materials to meet different working conditions:

  • ASTM A105 carbon steel blind flange for general industrial applications
  • A350 LF2 blind flange for low-temperature service
  • ASTM A182 F304/F316 stainless steel blind flange for corrosion-resistant environments
  • Duplex stainless steel blind flange for demanding offshore and chemical applications

Applications of Blind Flanges

Blind flanges are widely used in:

  • Oil & Gas pipelines
  • Petrochemical plants
  • Power generation facilities
  • Water transmission projects
  • Industrial piping systems

With professional manufacturing capability, strict quality control, and export experience, Hebei Yuan Jida is committed to providing reliable blind flange solutions for global customers. Whether you need standard ASME B16.5 blind flanges or customized large diameter blind flanges, we can offer products that meet your project requirements.

 

Contact Hebei Yuan Jida today for high-quality blind flanges from a trusted China flange manufacturer.