The engines differ in their electrical construction (single and three phase alternating current) and the ability of the axial load.
Tecnical specifications motor, 4" Encapsulated:
- Stator filled with special epoxy resin and hermetically sealed for a better insulation of winding and great heat exchange
- Rotor and thrust bearings lubrificated by water mixed with Propylene Glycol
- Removable plug-in lead cable
- Motor fame made out of AISI 304
- Shaft end made out od AISI 303
- Motor bracket made out of cast iron G20
- Bracket`s cover made out of AISI 304
- Pressure equalising diaphragm
- 4" NEMA flange
- Degree of protection : IP68
- Insulation : Class F
- Valve for restoring of cooling liquid
Operating Limits :
Water well temperature : max.35ºC
Maximum starts per hour :30
Minuim flow rate speed: 0.08 m/s
voltage tolerance : +6%/-10%
Maximum deep head:150m
Liquid characteristcs : Ph from 5.8 to 8.6
