A threaded flange is a type of flange that uses a screw thread to connect the flange to a pipe. A male thread is cut onto a pipe end whilst a female thread is cut into the bore of the flange; the male threaded pipe is then screwed into the female threaded flange. Threaded flanges are available in a variety of sizes and pressure ratings, and are typically made from Various Materials. Technical Specifications 1. Materials: Carbon steel, stainless steel, alloy steel, 2. Size: �½ inch to 24 inches 3. Classes: 150, 300, 400, 600, 900, 1500, 2500 4. Thread type: NPT, BSP, BSPT, BSPP 5. Face type: Flat, Raised and Ring Joint 6. Dimensions: ANSI B16.5, ASME B16.47, Advantages of Threaded Flanges: A. Easy to install and maintain B. No welding required C. Suitable for a variety of applications D. Available in a variety of sizes and pressure ratings Applications: Threaded flanges are used in a variety of applications, including: a. Water and wastewater systems b. Oil and gas pipelines c. Chemical processing plants d. HVAC systems e. Fire protection systems