Pedrollo JCRm-1B-N self-priming pump

Pedrollo JCRm-1B-N is a reliable self-priming centrifugal pump designed for transferring clean water and neutral, non-abrasive fluids. Thanks to its patented ejector design, the pump achieves confident self-priming even when air is present in the pipeline, making it an excellent choice for unstable or variable water supply conditions.

Compact self-priming pump for water supply under variable flow and low pressure

Key Features:
▪️ Patented ejector: efficiently captures liquid with air entrainment without damaging pump internals.
▪️ Compact monoblock assembly: saves installation space and minimizes vibration.
▪️ Robust mechanical seal: fully isolates the motor from the pumped fluid.
▪️ Horizontal–vertical port arrangement: simplifies connections in tight spaces.
▪️ Energy-efficient motor: single-phase up to 1.1 kW, IP44 protection, insulation class F.
▪️ Low noise level: suitable for installation near living areas.

Operating Principle:
▪️ Upon start-up, the pump creates a vacuum in the suction port via the ejector.
▪️ Even with air in the line, fluid is drawn toward the impeller.
▪️ The enclosed impeller imparts high velocity, which converts to pressure.
▪️ Part of the kinetic energy further converts to head via the volute and casing geometry.
▪️ The water exits through the vertical discharge port.
▪️ This design ensures stable operation even with variable or intermittent supply.

Applications:
▪️ Private homes and cottages — water supply and irrigation;
▪️ Gardens and greenhouses — automatic irrigation;
▪️ Pressure-tank systems and small booster stations;
▪️ Ideal for locations with unstable pressure or water feed.

Performance Details:
Continuous duty (S1), up to 6.5 bar discharge pressure, install in sheltered areas at ambient temperatures up to +40 °C.

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