Butterfly Valve DKZ 110Series 110 is a tight-seal interposed flange Valve for flanges as per DIN EN 1092. The Valves are absolutely air-tight in line with DIN EN 12266 Leak Rate A. The housing is one-piece, and the sealing sleeve comes in two designs – replaceable or fix vulcanized. The Shut-Off Valve is suitable for solid, liquid and gaseous media and the temperature range is from – 40 to + 200°C. This series is also available as a throttle valve (metal seal closure) for hot gases with a temperature over 200°C