The 4" 300# Flanged Steel Welded RF XHB from Service Metal Products is a high-performance flange designed for heavy-duty applications. With a pressure rating of 300 PSI, this flange is ideal for use in high-pressure piping systems. The flange features a raised face (RF) for improved sealing and is constructed from high-quality steel for enhanced durability. Its dimensions and specifications make it compatible with various piping systems, ensuring a secure and leak-free connection. This product meets industry standards for quality and safety.