Butterfly valve is used as motorized or shut-off valves in heating, ventilation and air conditioning systems applications.
In open and closed circuits
For 2-position (SPDT) or DC 0…10 V control signals
For chiller and cooling tower sequencing circuits
To open or close the flow to a heat exchanger or to complete plant sections
Technical Specifications
Angular rotation
90°
Leakage rate
A to ISO 5208 (tight-closing)
Valve characteristic
Non-linear
Material, inside set
Stainless steel , Nodular cast iron EN-GJS-450-10 (QT450-10) , Nylon coating
Mounting position
Upright to horizontal
Required mounting set
Direct
SQL..B50 Δps
700 kPa