A forged union is a type of pipe fitting that is used to connect two pipes. It is made of a single piece of metal that is forged, or shaped, into a specific design. Forged unions are typically made of steel, stainless steel, or brass. Technical Specifications The technical specifications of a forged union vary depending on the material it is made of, the size of the pipe it is designed to connect, and the pressure rating it is designed to withstand. However, some common technical specifications for forged unions include: 1. Size: 1/8 Inch to 3 Inch 2. Class: 3,000#, 6,000# Lbs. 3. Material: Carbon steel, Alloy Steel, Stainless steel, Duplex 4. Thread: NPT, BSP, BSPT Applications Forged unions are used in a variety of applications, including: 1. Plumbing 2. HVAC 3. Process piping 4. Oil and gas 5. Chemical processing 6. Marine Advantages of Forged Unions Forged unions offer a number of advantages over other types of pipe fittings, including: A. Strength: Forged unions are very strong and can withstand high pressures. B. Durability: Forged unions are very durable and can withstand a lot of wear and tear. C. Flexibility: Forged unions can be used in a variety of applications. D. Easy to install: Forged unions are easy to install and do not require any special tools. Overall, forged unions are a versatile and reliable type of pipe fitting that is well-suited for a variety of applications. They are strong, durable, and easy to install, making them a good choice for many projects.