Description

Production enforce standard Design And Manufacture **- GB/T ****4 Face to Face **- Gb/T ****1 Flange Dimension **- GB/T***3 JB/T*9 Pressure Temperature Lating **- GB/T***1 Inspection And Test **- GB/T ****7 JB/T***2 Chief property and specifiecation Nominal Pressure 1.***6.0 Shell Test **- 2.***4.0 Water Seal Test **- 1.***8.0 Backseat Test **- 1.***8.0 Air Seal Test **- 0.**0.7 Material For Main Parts Body Cover Disc **- WCB, WC1, WC6, WC9, ZGCrMo, Zg1Cr*8Ni9Ti, ZG1Cr*8Ni*2Mo2Ti Stem **- 2Cr*3, *8CrMoAi, *5Cr2MoV, 1Cr*8Ni9Ti, 1Cr*8Ni*2Mo2Ti Sealing Face **- *3Cr, STL, With Body Material PTFE, Nylon Sealing Stem **- 1Cr*3/Enhanced Flexible, Graphite, 1Cr*3/Flexible, Graphite, *8 Soft Steel, 0Cr*8Ni9Ti, 0Cr*8Ni9Ti, XD**0F(T), PTFE Packing **- Flexible Graphite, Enhanced Flexible, Graphite, SFB/**0, SFP/**0, PTFE Working Temperature **- ZG1Cr*8Ni9Ti≤**0 oC , WCB≤**5 oC , WC1≤**0 oC Suitable Medium **- Waterm, Steam, Oil, Nitric Acid, Acetic Acid