Explore our range of Forged Duplex Steel Threaded Union offerings fabricated to MSS-SP-83 standards. Available in sizes ranging from 1/2 to 4 inches, with Class ratings of 2000, 3000, 6000, and 9000 LB. Constructed from high-quality ASTM A182 materials including F44, F51, F53, F55, and F60, our threaded unions ensure durability and reliability for your industrial applications.