... steel Size: 1/2"_48(DN15_DN1200) Flanges Type: Plate,Welding Neck Flanges Standards: ANSI,BS,DIN (1) Flanges Type: ... , Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, ... industry/power/ship building/paper making/metallurgy/ construction /water supply and sewage work (9) Notes: The specifications can be ...