The butterfly valve is opened or closed completely by an open-close rotary actuator. Continuous rotary actuators are controlled by a commercially available controller and move the valve discs into any position desired.
The disc made of stainless steel is pressed into the soft-sealing EPDM seat by a rotary movement and ensures leakage rate A (tight).
The flow rate losses are slight in open position and the kvs value is high.
Media: Cold and warm water.
Media temperature: -20°C ... +120°C
Rated pressure: ps 1600 kPa
Pipe connectors: DN 400
Angle of rotation: 90°
Installation position Vertical to horizontal
Lug type butterfly valves, for shut-off functions, in open and closed cold and hot water systems, for switching heating and cooling machines on and off.
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