ANSI B16.5 Alloy Steel ASTM A182 F11/F22 Blind Flange Class 150-2500 Forged Steel Pipe End Closure

Price Negotiable
Price: Negotiable
MOQ: 1PC
Delivery Time: 15-30 Workdays
Brand: TOBO
Product Description
ANSI B16.5 Alloy Steel Blind Flange ASTM A182 F11 F22 Class 150-2500 Forged Steel Pipe End Closure
ANSI B16.5 Alloy Steel Blind Flange ASTM A182 F11/F22

The Alloy Steel Blind Flange is a forged pipe end closure component manufactured from ASTM A182 F11/F22 chromium-molybdenum alloy steel. Designed to provide a reliable, positive seal at the termination of piping systems, pressure vessel openings, and valve connections, this blind flange is ideal for high-temperature and high-pressure applications commonly found in refinery, chemical, and power plant environments.

Key Features
  • Chrome-Moly Alloy Steel: ASTM A182 F11/F22 material offers superior strength and creep resistance at elevated temperatures up to 600°C
  • Positive End Closure: Solid round plate design with no center bore provides complete sealing of pipe ends
  • High-Temperature Performance: Specifically designed for sustained operation under high-temperature, high-pressure conditions
  • Full Bolt Hole Pattern: Machined with complete bolt holes matching the corresponding flange specification
  • ANSI B16.5 Compliant: Manufactured to precise ANSI/ASME B16.5 dimensional and material standards
Technical Specifications
Flange Type Blind (BL)
Material Grade Alloy Steel ASTM A182 F11, F12, F22
Standard ANSI B16.5 / ASME B16.5
Pressure Class Class 150, 300, 400, 600, 900, 1500, 2500
Size Range 1/2 inch NB to 48 inch NB
Facing Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Operating Temperature Up to 600 Degree Celsius
Certification ISO, TUV, SGS
Applications
  • Boiler and pressure vessel end closures
  • Pipeline isolation and terminal points
  • Valve and equipment nozzle blanking
  • Refinery high-temperature systems
  • Power plant steam and feedwater piping
  • Hydrogen service and reformer units
Packaging & Delivery
Each blind flange is treated with anti-rust coating and packed in heavy-duty standard shipping packages. Flange faces are protected with plastic caps. Delivery within 15-30 working days.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company TOBO STEEL GROUP CHINA
Location 2F,Building7,Baolong Center,No.689,Xiwang Road,Jiading District,Shanghai,201800,China
Contact Person Joy Wang

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