Standard: ANSI B16.5 Class:150, 300, 600, 900, 1500, 2500 Size: 1/2" - 24" Type: WN, SO, SW, TH, BL ... , Automotive, Military, and so on..ANSI B16.5 FlangeClass:- 150, 300, 400, 600, 900, 1500, 2500Size:- 1/2" -24"Types: - Welding Neck ... 800HT, 825, 890, 901, 925, 926- Hastelloy B, B-2, C-22, C-276- Special Stainless Steel F309, F310, ... : +86-577-8588-8633Website: www.chinachaowei.com ANSI B16.5 Flange