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How energy efficiency is improved
 Efficiency means precise control and low actuating forces
- 6-way ball valve for changeover or steady control of heating and cooling circuits in a 4-pipe system
 - Body made of moulded brass CW602N (dezincification-resistant) or CW617N
 - With male thread as per ISO 228
 - Kvs selection with exchangeable orifice plates
 - In combination with valve actuators AKM 115(S) and AKF 112, 113(S) as a control unit
 - Strainer and screw fitting available as accessories
 - Water quality as per VDI 2035
| Parameters | |
| Nominal pressure: | 16 bar | 
| Valve characteristic: | Quasi-linear | 
| Leakage rate: | Class A as per EN 12266-1 | 
| Angle of rotation: | 90° (valve closed at 45°)  |  
| Ambient conditions | |
| Operating temperature: | 5...90 °C | 
| Type | Nominal diameter | Connection | Kvs value | Weight | 
| B2KL015F400 | DN 15 | G¾"B | 0.25-1.25 m³/h | 0.98 kg | 
| B2KL020F400 | DN 20 | G¾"B | 0.25-4.25 m³/h | 1.87 kg |