gas and
_air pumps
Schwarzer Precision
Tel +49/201/31697-0
203 SA-VD
Vibrating Diaphragm Pumps
203 SA-VD · vibrating pumps aeration203 SA-VD · fish basin air ventilation

Motor:

      
power source [Vac] 230 (50 Hz) 120 (60 Hz) 
motor type  vibrating  
power consumption [W] 4 4 
       

Pneumatic Performance:

    
free flow [l/min] 4.3 3.0 
@ 1.5 psig [l/min] 1.6 1.5 
@ -3 inHG [l/min] 1.8 1.1 
max. pressure [psig] 2.3 3.6 
max. vacuum [inHG] -5.9 -8.3 
       

Construction:

      
pump head  ABS  
diaphragm  CR-neoprene  
valves  CR-neoprene / FPM (Viton) / silicone  
       
dimensions [mm]  154x91x56 154x91x56 
weight [g]  500 500 
       
       
       
       

Performance Diagram:

      
       
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