This is a 4-inch ASME B16.5 Class 150 flange, manufactured from ASTM A105N normalized carbon steel and internally coated with Fusion Bonded Epoxy (FBE) lining. It's designed for use in piping systems requiring corrosion resistance and adherence to industry standards. This flange features a Flat Face (FF) and is suitable for Schedule 40 pipe.

Key Specifications

Size	4 inch
Standard	ASME B16.5
Pressure Class	Class 150
Facing	Flat Face (FF)
Material	ASTM A105N (Carbon Steel)
Lining	Fusion Bonded Epoxy (FBE)
Pipe Schedule	Schedule 40
Connection Type	Welded Neck (WN) - Assumed based on "Flg." and industry norm

Application & Use

This flange is ideal for use in piping systems that require a reliable and corrosion-resistant connection. The FBE lining protects the carbon steel from corrosive fluids, extending the lifespan of the flange. Common applications include water treatment, chemical processing, and oil and gas industries.

Condition & Availability

Please contact us for current availability and lead times. All flanges are new and meet or exceed the specified standards. Mill test reports are available upon request.