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RANGE OF PERFORMANCE |
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Flow rate up to 375 l/min (22.5 m3/h)
Head up to 525 m |
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LIMITS OF USE |
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Liquid temperature up to +30°C
Maximum sand content 150 g/m3
Starts/hour: 20 at regular intervals |
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INSTALLATION AND USE |
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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. |
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CONSTRUCTION CHARACTERISTICS |
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- 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).
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- 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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