| 
 Control Method 
 | 
 Frequency Control 
 | 
| 
 Ambient temperature 
 | 
 +5℃~ +40℃ 
 | 
| 
 Maximum operating pressure                                        
  (suction pressure + pump shutdown dead center) 
 | 
 20kg/CM 
 | 
| 
 Minimum suction pressure 
 | 
 0.2 kg/CM 
 | 
| 
 Allowable suction pressure 
 | 
 Subject to maximum operating pressure 
 | 
| 
 Power supply 
 | 
 Three-phase X 220/ 380V X 50Hz 
 | 
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