=====>> Pompa 4SR

4SK
  • Szkic
  • Wykres
  • Dane Tech.
2CP
2CP
2CP
RANGE OF PERFORMANCE
Flow rate up to 375 l/min (22.5 m3/h)
Head up to 525 m
LIMITS OF USE
Liquid temperature up to +30°C
Maximum sand content 150 g/m3
Starts/hour: 20 at regular intervals
INSTALLATION AND USE
THEY ARE RECOMMENDED FOR PUMPING CLEAN WATER WITH A SAND CONTENT NO HIGHER THAN 150 g/m3. THEIR HIGH EFFICIENCY AND RELIABILITY MAKE THEM SUITABLE FOR USE IN THE DOMESTIC, CIVIL AND INDUSTRIAL SECTORS, INCLUDING FOR WATER SUPPLIES AS PART OF A PRESSURE SET, IRRIGATION, WASHDOWN SYSTEMS, PRESSURE BOOSTING AND FIRE FIGHTING SYSTEMS.

 

CONSTRUCTION CHARACTERISTICS
  • DELIVERY BODY AND MOTOR BRACKET: stainless steel AISI 304.
  • NON-RETURN VALVE: stainless steel AISI 304.
  • IMPELLERS AND DIFFUSERS: technopolymer.
  • DIFFUSER HOUSING: stainless steel AISI 304.
  • PUMP CASING: stainless steel AISI 304.
  • PUMP SHAFT: stainless steel AISI 304.
  • PUMP BEARINGS: housing in special technopolymer with stainless steel AISI 316 shaft bushes , chrome oxide coated to resist sand.
  • DRIVE COUPLING: stainless steel AISI 316L up to 2.2 kW; stainless steel AISI 304 for higher powers.
  • SCREWS, FILTER AND CABLE COVER: stainless steel AISI 304.
  • MOTOR: Pedrollo 4" submersible electric motor.
    4SRm: single-phase220÷230 V - 50 Hz.
    4SR: three-phase380÷415 V - 50 Hz.
  • PROTECTION: IP 68.

    STANDARD FEATURES:
    4SRm (single-phase) Power cable 1.5 metres long (2.5 metres for motors over 3 kW).Capacitor supplied loose with Pedrollo motors.
    4SR (three-phase) Power cable 1.5 metres long (2.5 metres for powers higher than 3 kW).
OPTIONS ON REQUEST
  • pumps for water with a sand content higher than 150 g/m 3
  • pumps for sea water
  • Franklin Electric 4" submersible electric motor
  • other voltages or frequency 60 Hz

 

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