This 4-inch Blind Flange is designed for closing off the end of a pipeline or vessel opening. Manufactured to meet rigorous industry standards, this flange provides a reliable and robust sealing solution for demanding applications.
Key Specifications
| Size |
4 Inch |
| Standard |
ASME B16.5 |
| Pressure Class |
150# (Class 150) |
| Facing |
Raised Face (RF) |
| Material |
ASTM A350 Grade LF2 Class 1 |
| Compliance |
NACE MR0175 / ISO15156 |
| Flange Type |
Blind Flange |
Application & Use
This flange is commonly used in petrochemical, oil & gas, and other industrial applications where corrosion resistance and reliable sealing are critical. The NACE compliance makes it suitable for use in sour service environments where hydrogen sulfide (H2S) is present. It can be easily installed and bolted to mating flanges to provide a leak-proof closure.
Condition & Availability
This flange is new and readily available. Please contact us for current lead times and bulk order discounts. Material test reports and certificates of compliance are available upon request.
