This 4-inch blind flange is engineered for robust performance in demanding industrial environments. Manufactured to meet rigorous ASME B16.5 standards and constructed from high-quality ASTM A105N carbon steel, this flange provides a reliable and leak-proof seal. Its compliance with NACE MR0175/ISO15156 ensures suitability for sour service applications where resistance to sulfide stress cracking is critical.
Key Specifications
| Size |
4 Inch |
| Flange Type |
Blind |
| Standard |
ASME B16.5 |
| Pressure Class |
Class 150 |
| Facing Type |
Raised Face (RF) |
| Material |
ASTM A105N Carbon Steel |
| NACE Compliance |
NACE MR0175 / ISO 15156 |
| Connection Type |
Welded |
Application & Use
This blind flange is typically used to seal off the end of a pipeline, valve, or pressure vessel opening. It provides a secure and permanent closure, facilitating pressure testing and maintenance. Common applications include oil and gas, chemical processing, and water treatment facilities where reliable sealing and corrosion resistance are paramount.
Condition & Availability
This flange is typically supplied new and ready for installation. Stock availability may vary; please contact us for current lead times and quantity discounts.
