This is a high-quality 4" Weld Neck Flange, manufactured according to ASME B16.5 standards and designed for Class 600 pressure ratings. Constructed from Inconel 625 (ASTM B564 UNS N06625), this flange offers exceptional resistance to corrosion and high temperatures, making it ideal for demanding applications. It is also compliant with NACE MR0175/ISO15156 standards for sour gas environments.

The raised face (RF) provides a reliable sealing surface, ensuring leak-free performance.

Key Specifications

Size	4 Inch
Class Rating	600
Connection Type	Weld Neck (WN)
Flange Face	Raised Face (RF)
Material	Inconel 625 (ASTM B564 UNS N06625)
Wall Thickness	Schedule 10S
Standard	ASME B16.5
NACE Compliance	MR0175 / ISO15156

Application & Use

This flange is typically used in high-pressure, high-temperature, and corrosive environments, such as those found in the chemical processing, oil and gas, and marine industries. The Inconel 625 construction makes it suitable for handling aggressive fluids and gases, while the weld neck design provides a strong and reliable connection to piping systems.

Condition & Availability

Please contact us for current availability and lead times. We offer a range of testing and certification options to meet your specific requirements. All flanges are inspected to ensure they meet the highest quality standards.