The 4" 3000# FS THRD COUPLING by SERVICE METAL PRODUCTS is engineered for high-pressure systems, rated at 3000 psi. This coupling features a sturdy construction that ensures durability and longevity in harsh conditions. Its threaded design facilitates quick and secure connections, making it ideal for a variety of piping applications. Constructed from high-quality materials, it provides excellent resistance to corrosion and mechanical stress. With a 4-inch diameter, this coupling is compatible with standard piping systems, making it a versatile choice for both industrial and commercial use.