CT20 Q235 Carbon Steel Weld Neck Raised Face Flange GOST 12821 DN10-DN1600 Weld Neck Flange is flanges that designed to be joined to a piping system by butt welding. This kind of ...
Carbon Steel Flange Forged Steel Flange Wn Weld Neck Lwn Long Welded Neck Flange Products Description: Please contact us for details if you are interested in our flanges. material: ...