... , 3.Size: 1/2"--48", 4.OEM service offered. Flat Face ANSI Flange Qingdao Angel International Trade company is one of ... , Socket Welding, Threaded, Lap Joint and so on. Product NameFlat Face ANSI FlangeCertificateISO 9001:2000TechnicsforgedProduct Size1/2"--48"Pressure150LBS--2500LBSMaterial316L,316Ti ...