Standard: ANSI B16.5 Class:150, 300, 600, 900, 1500, 2500 Size: 1/2" - 24" Type: WN, SO, SW, TH, BL We Zhejiang Chaowei New Material Co.,Ltd are profesional manufacturer of high quality Nickel Alloy flanges, used in various industry like Chemical, Aerospace, Marine, Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ANSI B16.5 FlangeClass:- 150, 300, 400, 600, 900, 1500, 2500Size:- ...