Dec 24, 2013
nickel 200 flange1. WN welding neck flange;SO slip on flange; Plate flange;Blind flange;
Threaded flange;SW socket welding flange;lapped flange;stub end flange,
LWN long welding neck flange,Orifice flange;Reducing flange;
API flange;Compact flange;Spectacle blind,Lind spade and spacer,Paddle spacer;
Orifice plate;tube plate, tube sheet, Bleed...