The 4" 300# FS S/W FLG RF is a high-quality flange designed for robust applications. This flange is constructed from durable materials, ensuring longevity and reliability in various industrial settings. With a pressure rating of 300#, it is suitable for high-pressure systems. The flange features a flat face design, making it compatible with a wide range of piping systems. It meets industry standards for safety and performance, ensuring compliance with ISO and ANSI regulations. Ideal for use in water, oil, and gas applications, this flange is a reliable choice for any project.