Catalog

Valves
usa.siemens.com/hvac
A-248
Accessories & Service Kits A-291
Leakage Rate (Internally Across Seat) 



External Seal 

Permissible Media






Media Temperature 

Stroke Resolution ΔH/H100 
Hysteresis
Mode of Operation
Position when de-energized 
Orientation 
Valve Body and Parts
Seat/Piston
Sealing Disk 
Sleeves 
Temperature
 
 

Humidity
 
 
 
Operating Voltage
 
 


 
 




 

Control Signal Y


 

 
 
 

Position Feedback Signal U
 
 
 

Positioning Time
Electrical Connections



Nominal Pressure
Permissible Operating Pressure
1)

Max. Differential Pressure Δp
max
 

Valve Characteristic (stroke vs C
V
or k
V
)
Specifications
Wiring
Part No. Connection Type (VA) (W) (A)
Wire Gauge (AWG)
14 12 10
Max. Cable Length ft (m)
MVL661…-…
      
      
Notes:

 

 
 
 






DATE PAGE Descriptionofedits