BUD: Flanged three-way valves, PN 6 
 
How energy efficiency is improved 
Precision control with high level of reliability means efficiency. 
 
Areas of application 
Continuous control of cold and hot water and air in closed networks (Air humidity must not exceed 75%) and flow temperature in heating systems. Water quality as per VDI 2035. Together with actuators AVM 105, AVM 115, AVM 124/125, AVF 124/125, AVM 234S, AVF 234S and AVN 224S as regulating unit. 
 
Features 
 
Nominal pressure 6 bar 
Control valve, contains no silicone grease; painted black 
Nominal diameters DN15 to DN100 
Equal percentage characteristic, adjustable with SUT actuators to linear or quadratic Y07545 
Linear mixing passage characteristic 
With the spindle retracted, the valve is closed 
Can be used as control valve or diverting valve Technical description AB B B01134a A AB B B01139a A 
Valve with flange connection as per EN 1092-2, Form B, raised face 
Valve body and seat made of cast iron 
Stainless steel spindle 
Nominal diameter DN15 to DN50 cones in brass with glass-fibre reinforced PTFE sealing ring 
Cone nominal diameter DN65 to DN100 in brass, metal-to-metal seal 
Stuffing box made of brass with wiper ring and double O-ring seal in EPDM