Vacuum System EC-639 Vacuum System EC-639 PROCESS DATAFluid: AirPressure: -0.7 bar (e)Temperature: 40-55 °CTypical dimensions: DN 500-600Pressure rating: PN 10VALVE DESCRIPTIONButterfly valve type MTV/VSS.Seat in PTFE.Electric actuator.For more information see data sheetSi-205 EN (DN 500) and Si-203 EN (DN 600). COMMENTSSee general recommendations