... 3) Facing: RF / FF / RTJ 4)Material: carbon steel forged Blind flange, carbon steel flange.1)Sizes: DN15 to DN600, 1/2 ... On, Weld Neck, Blind, Threaded, special mode.4)Material: Carbon steel: ST37.2, RST37.2, S235JR, C22.8, P250GH, A105 5 ... ,such as Germany,Italy,Spain,America,Brazi,Japan,South Korea,Austrilia,Malaysia,Philippines,Taiwan,South Africa,and so on. We sincerely welcome you ...