The 4" NPT Threaded Steel Forged 150# fitting by SEALFAST is engineered for robust performance in high-pressure systems. Made from premium forged steel, it complies with ANSI standards, ensuring a reliable connection in various applications. This fitting features a 4-inch nominal size with NPT threading, making it perfect for industrial piping, water supply, and chemical transport. Its durable construction guarantees longevity and resistance to wear, making it an essential component for any high-pressure piping system.