... flanges of our company include blind , slip on , welding neck , socket welding , thread and lap joint flanges which conform to ... -steel flanges.Connection: Welding neck flanges, slip on flanges, threaded flanges, lap joint flanges, socket welding flanges, blind flanges ... and orifice flangesRange of Production:Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are ...