Explore a leading Long Type Weld Neck Flange manufacturer offering a wide range of options in Carbon, Alloy, Duplex Stainless Steel, and Monel materials. Sizes range from 1/2 to 160 inches, with Class specifications from 75 to 2500 LB. Our flanges adhere to ASME, ANSI, BS, and DIN standards, available in RF, FF, and RTJ designs for versatile applications.