KLINGER Schoneberg Duoball Valve INTEC K200-S-FS Duoball Valve in length face to face of a standard valve for higher reliability The by us developed Duoball Valve has a double shut-off of the pipeline and makes it possible to increase the safety of a system significantly. » Double closure » Increased closure safety » Double Block & Bleed » Proven ball valve technology » Leakage monitoring » Pressure monitoring » Flushing connection » Defined cavity room » Smallest possible cavity room » Nitrogen pressure overlay » With entrance and outlet connection to flush the cavity room » Floating ball or trunnion mounted ball » Soft or metal seated execution » Leakage rate A, completely gas-tight » Face to face acc. EN 558 R1 Subject to technical modification. Nominal size: