... :cs&sspressure:5k,10k,16k,20k,30k,150# to 2500#,PN6-PN40ANSI 150# carbon steel flange 1.Size:DN15 to DN2000,1/2 ... ,AS2129,GOST-128204.Types:plate,slip-on,threaded,socket weld,blind flange5.Process:free forging, plate cutting, heat treat, machining6.Surfact ... ,F316L,316Ti and etc We are a professional manufacture doing flange field for more than ten years.We have been exporting ...