High Hub Blind Flange

About High Hub Blind Flange

High Hub Blind Flanges are specialized blind flanges with an extended hub for better stress distribution and enhanced pressure handling. Unlike standard blind flanges, high hub blinds are used in critical applications where pipelines need to be securely closed under high-pressure or high-temperature conditions. Induskart supplies forged High Hub Blind Flanges in Carbon Steel, Mild Steel, and Stainless Steel, manufactured as per ANSI B16.5 and ASME standards to ensure robust performance and durability.

Technical Specifications:

• Material Grades: ASTM A105 (CS), ASTM A182 F304/F316 (SS), Alloy Steel on request

• Type: High Hub Blind Flange

• Standard: ANSI B16.5 / ASME B16.47

• Size Range: to 24

• Pressure Ratings: Class 150, 300, 600, 900, 1500, 2500

• Design: Solid Blind with Extended Hub

• Face Type: RF (Raised Face) / RTJ

• Manufacturing Method: Forged, Heat Treated & CNC Machined

• Surface Finish: Machined, Anti-Rust Coated

• Testing: Hydrostatic, Ultrasonic, Radiography, PMI, MTC available

Certifications:
ISO 9001: 2015, Mill Test Certificate (MTC), IBR Approval, Third-Party Inspection (on request)

Applications & Buyer Types:

• High-pressure oil & gas pipelines

• Power Generation Plants

• Petrochemical Refineries

• Process Equipment & Boilers

• Shipbuilding & Offshore Platforms

• Preferred by EPC contractors, OEMs, and industrial project engineers.

FAQ:

1. How does a High Hub Blind Flange differ from a standard blind flange?
   The extended hub allows better pressure distribution and stress handling.

2. Are they suitable for very high pressure?
   Yes, available up to Class 2500.

3. Can high hub blind flanges be customized?
   Yes, manufactured as per client drawings.

4. Do they require special gaskets?
   Standard RF or RTJ gaskets are used.

Call to Action:
Order Induskarts High Hub Blind Flanges for secure, high-performance sealing in critical industrial applications.