We could design and supply all kinds of flanges. Dear Sir or Madam Welcome to visit our website and select your interested in products. Flange Product Description1.Type Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind, etc. 2.Size 1/2"-72" 3.Class 150#, 300#, 400#, 600#, 900#, 1500#, 2500# 4.Specification Carbon Steel ASTM A105/A694 F42/ ...