Nuova Staa Pompe Srl   

for submersible pumps 4''

Built in precision casting of stainless steel to guarantee the resistant to corrosion, hardness and rigidity of linkage with motor.

Supporto di aspirazione

Via della Chimica, 30 - Zona Asi

72015 Fasano (Brindisi - Italy)

Tel. 080 4425841

Fax 080 4422056





Submersible Electric Pumps:   DIP   R4   R6   R8   S6 >> S12

Submersible Electric Pumps R4 for well of 4"

These are centrifuge submersible pumps for well of 4”, with radial or semi-axial impeller, connected to the motor by intake support and mechanical coupling in accordance with norms NEMA. Pump body is tightened by tube in stainless steel.


Submersible Electric Pumps R404 Suitable for waterworks of procurement and pressurization by deep well in uses of:

  • System of hydric supplying for civil and industrial uses
  • Irrigation at rain and at slip
  • Automatic fire fighting plants UNI 9490 and 10779
  • Superelevation plants
  • Various industrial appliances


  • Deliveries up to 21 m3/h
  • Heads up to 413 m
  • Maximum bore crammed 98 mm
  • Maximum depth of immersion 150 m
  • Maximum quantity of sand 25 gr/m3
  • Maximum temperature of pumped liquid +30 °C
  • Vertical, horizontal and oblique installation

  • Asynchronous type with two poles, cooled with oil
  • Connection flange NEMA of 4”
  • Single-phase tension 220 / 240 V, to expect the condenser always integrated
  • Three-phase tension 380 / 415 V
  • Frequency 50 Hz
  • Maximum deviation of the nominal tension +6% - 10%;
  • Maximum hours starting 30 justly distributed
  • Power by 0,5 up to 7,5 kW
  • Cable in equipment length by 1,5m up to 4m
  • Protection’s level of motor IP 68
  • Class of segregation B
  • Protection motors with thermal relay in accordance to norms VDE, class of trip 10 or 10 A / time of trip <10 s to 5 x A
  • For other characteristic of motors, take a look to the relative section in this same catalogue



Download catalogue in .pdf file


This catalogue may be different in the constructive specifications of design and photos, and the technical and constructive data can be change without any notice.


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