Description

Production enforce standard Swing Check Valve Design And Manufacture **- GB/T ****6 Face to Face **- JB/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 Lift Check Valve Design And Manufacture **- GB/T ****5 Face to Face **- JB/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.***6.0MPa Shell Test **- 2.***4.0MPa Water Seal Test **- 1.***6.0MPa Air Seal Test **- 0.**0.7MPa Material For Main Parts Body Cover Disc **- WCB, WC6, WC9, ZGCr5Mo, ZG1CR*8Ni9Ti, Zg1C*8Ni*2Mo2Ti SlideWay Bush **- WCB, WC9, ZGCr5Mo, Zg1CR*8Ni9Ti, ZG1C*8Ni*2Mo2Ti Hinge Pin **- 1CR*3, 1Cr*8Ni9Ti, 1Cr*8Ni*2Mo2Ti Sealing Shim **- PTFE, Enhanced Flexible Graphite, 1Cr*3/Flexible Graphite, Stainless Steel/Acid-proof Asbestos, Tooth profile gasket Sealing Face **- *3Cr, STL, With Body Material PFTE, Nylon Suitable Temperature **- WCB≤**0 oC , ZGCr*8Ni≤**0oC Suitable Medium **- Water, Steam, Nitric Acid, Acetic Acid