materials 
Extrusion chamber, suction chamber: stainless steel (cast iron or platic)                                               Motor bracket: stainless steel or cast iron
Mechanical seal: Ceramic-graphite or Ceramic-ceramic 
Stator sheet: DR510 or 470 
Screw: CS45# Chromium plated or SS430 
Motor shaft: CS45# or SS430 

Feature 
High head, low energy consumption, low noise and stable operation 
Close structure with built-in 110°C Thermal Protector for single-phase motor  
 
Application 
Deep well pumping, farming irrigation, water drainage in industry and mining and household use etc. 
 
Working condition 
Max. medium temperature: +40°C
Max. ambient temperature: +40°C 
Max. working pressure: 14 bar 
Medium free from granules or anything that may damage the pump 
Power voltage: 220V, 50Hz or 380V, 50Hz 
Voltage fluction range: 0.9 ~1.1 times of the rated value.      

Main Performance Data:
- Capacity: 1.0 - 2.5 (m3/h) 
- Total head: 50-300m
- Power: 0.37 - 1.1 Kw
- Protection class: IP58       Insulation class: B  
- Max. diamter: 94.5mm