Pompa Booster Pedrollo 4Sr Series

RANGE OF PERFORMANCE

Flow rate up to 300 l/min (18 m³/h)

Head up to 128 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).