Danfoss Manually Operated Butterfly Valves with the disc still partly open attach the bolts without tightening the nuts.Fully open the disc. Tighten opposing nuts sequentially. Make at least 5 complete actuations of the valve.
Danfoss Motorized Butterfly Valves spline driven one piece shaft connected to spherically machined disc allows high torque transmission i.e. quick response and minimum back-lash. Long term reliability due to upper and lower anti-friction bearings.
Danfoss non-return valves allow the medium to flow in one direction. Danfoss non-return valve is a wide range of non-return valves available in different designs to meet different demands in relation to head loss, speed of operation, connection type and price.