High-Quality Blind Flanges: ASME B16.5, Stainless Steel, Carbon Steel & Custom Solutions

Meta Description: Discover premium Blind Flanges compliant with ASME B16.5, ANSI, and DIN standards. Available in stainless steel, carbon steel, duplex alloys, and custom specifications. Ideal for piping systems, oil & gas, and industrial applications.

Why Choose Our Blind Flanges?

1. Superior Material Grades
   Our blind flanges are manufactured using ASTM A105, A182 (stainless steel 304/316L), and duplex steel (S31803/S32205)  ensuring，resistance to corrosion, high pressure, and extreme temperatures.

2. Wide Range of Specifications

   • Sizes: 1/2" to 80" (DN15 to DN2000) 
   • Pressure Ratings: Class 150 to 2500, PN6 to PN100 
   • Face Types: Raised Face (RF), Flat Face (FF), Ring-Type Joint (RTJ) 

3. Industry Compliance
   Designed to meet ASME B16.5, ANSI B16.47, API 6A, and DIN 2527 standards ， ensuring seamless integration with global piping systems.

4. Customization & Durability

   • Surface Treatments: Anti-rust paint, hot-dip galvanized, or as per client requirements 
   • Special Designs: Spectacle blinds, paddle spacers, and reducing flanges 

Applications of Blind Flanges

Blind flanges are critical for sealing pipelines, valves, and pressure vessels in industries like:

• Oil & Gas: Safe isolation of pipeline sections during maintenance 
• Chemical Processing: Corrosion-resistant solutions for aggressive media 
• Water Treatment: Durable sealing for high-pressure systems