... Flange, Slip on Flange, Threaded Flange, Socket Welding Flange, Blind Flange, OrificeFlange, Ring Joint Flanges, Long ... 304-304H-304L-304N-304LN 316-316H-316L-316N-316LN 321-321H 347-347H 904LLow ... Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400 UsagePetroleum ... 2001,CAXA,UG,CAD,CAM3.Certificates: ISO 9001:2000, ISO 14001 and QA80004. Advanced equipment, ...