Vacuum System HS-641 Vacuum System HS-641 PROCESS DATAFluid: AirPressure: -0.6 bar (e)Temperature: 40-55 °CTypical dimensions: DN 250-300Pressure rating: PN 10VALVE DESCRIPTIONButterfly valve type MTV.Seat in PTFE.Double acting type actuator.For more information see data sheet Si-205 EN. COMMENTSSee general recommendations