AWWA C207 SO BEST QUALITY The main product are DIN, ANSI B16.5, JIS,UNI,AS,Bs4504,GB,HG,JB ect. from 1/2"(DN15) to 48"(DN1200)1) Standard:ANSI,JIS, DIN, UNI,BS2) Specification:DN10-DN30003) Material: A105, SS400, SF440, 304,304L, 316, 316L, S235, Q235;4) ANSI Standard: a) ASTM AISI B16.5, ASA, API-605, AWWA-c207, MSS-sp44; b) Kinds of flange: Slip-on, Welding Neck, Blind, Threades, Lap-joint, ...