... blind , slip on , welding neck , socket welding , thread and lap joint flanges which conform to ANSI, DIN, JIS and BS standards ... flanges.Connection: Welding neck flanges, slip on flanges, threaded flanges, lap joint flanges, socket welding flanges, blind flanges and orifice flangesRange of ... of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI B 16.5 from 1 ...