VQD

How energy efficiency is improved

Efficient use in continuous control systems

Features

• Continuous control of cold and hot water in closed circuits
• Water quality as per VDI 2035
• In combination with valve actuators AVM 322(S), AVM 234S and AVF 234S as control unit
• Not suitable for steam or drinking water
• Valve with flange connection as per EN 1092-2, seal form B
• Regulating valve, free of silicone grease, painted black
• Characteristic can be set with SUT (SAUTER Universal Technology) valve actuators to linear, equal-percentage or quadratic
• The valve is closed when the spindle is moved out
• Closing procedure against the pressure
• Valve body and seat made of grey cast iron
• Stainless-steel spindle
• Plug made of stainless steel with metal-to-metal seal
• Stuffing box made of stainless steel with wiper ring and double O-ring seal made of EPDM