Explore top-quality Pipe Union Factory offerings in Forged Duplex Stainless Steel, compliant with ASTM A182 standards (F44, F51, F53, F55, F60). Our products adhere to MSS-SP-83 specifications, available in Class 2000-9000 LB, ranging from 1/2 to 4 inches. Choose from Socket Weld (SW) or Threaded options for versatile applications.