1)size:1/2" - 48"dn10-2400 2)standard:JIS, DIN, ASME, JPI, ANSI, BS,etc 3)certificate:ISO 9001:2000 ... #,400#,600#,900#,1500#,2500# CertificateISO 9001:2000 , QS-2000StandardJIS, DIN, ASME, JPI, ANSI, BS, GB, ISO,etcThicknessSCH20, SCH30 STD, SCH80 ... request.Delivery15 days - 60 days or as customers requirements 310S JIS Stainless steel flange