... , API 603etc 2:Cert: ISO9001, API 6D 3:Materials: C.S, S.S,etc. 4:Size:15-750mm 5:Pressure:150LB-2 Production ... ,25Cr2MoV,F304,F316,F304L,F316LSealing Face --- 13Cr,STL,PTFE,NylonPacking --- Flexible Graphite,Enhanced,Graphite ,SFB/260,PTFEWorking Temperature --- ≤200 oC - ≤450 oCSuitable Medium ...