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The Pedrollo JSW Range is a series of self-priming jet pumps covering domestic water supply, garden irrigation, pressure boosting, fire-fighting service, washing systems, and below-grade tank or shallow well abstraction. The range comprises the JSW1 (flows up to 60 L/min), JSW2 (flows up to 70 L/min), and JSW3 (flows up to 160 L/min and heads up to 96m). Cast iron pump bodies with cataphoretic protective treatment give long service life across all three series.
The JSW1 covers lower-flow domestic duties with heads up to 43m. The JSW2 steps up to higher-flow domestic and light civil duties with heads up to 58m, using an AISI 304 stainless steel impeller. The JSW3 is the largest of the three with brass impeller, cast iron backplate, and a higher 10 bar working pressure for more demanding civil and industrial applications. Ports are sized to suit each tier, and single-phase JSWm and three-phase JSW variants are available across all sizes.
All JSW pumps deliver up to 9 metres of manometric suction lift, making them suitable for shallow well, borehole, rainwater harvesting tank, and below-grade tank abstraction. The pumps are easy to operate and start, with a Noryl GFN2V nozzle assembly creating the vacuum needed for reliable self-priming. Liquid and ambient temperature limits are -10°C to +40°C, with maximum working pressure of 6 bar on the JSW1/JSW2 and 10 bar on the JSW3.
If your questions have not been answered here, get in touch with our team for more information.
JSW jet pumps cover domestic water supply, garden irrigation, pressure boosting, fire-fighting set feed, washing systems, and clean liquid transfer. The self-priming design makes them particularly useful for drawing water from below-grade tanks, shallow wells, and rainwater harvesting reservoirs where the supply level is below the pump.
All JSW pumps achieve manometric suction lift of up to 9 metres, which is exceptional for a centrifugal-family pump. The integrated jet ejector creates the vacuum needed to lift water from suction lines well below pump level, eliminating the need for a foot valve in most installations.
The JSW1 is the smallest with cast iron body and AR-12 mechanical seal, suiting basic domestic duties. The JSW2 steps up with AISI 304 stainless steel impeller and AR-14 seal for higher flow. The JSW3 is the largest with brass impeller, cast iron backplate, FN-18 seal, and a higher 10 bar working pressure for civil and industrial use.
The JSW pumps use cast iron pump bodies with cataphoretic protective treatment, making them more cost-effective for general domestic use. The JCR pumps use AISI 304 stainless steel pump bodies and impellers throughout for potable water and corrosion-sensitive applications. Both offer 9m suction lift.
Yes. The JSW is a common choice for fire-fighting set feed, particularly the JSW2 and JSW3 with their higher heads and pressures. The self-priming design ensures the pump remains ready to start even if the suction line drains down between use cycles. Sprinkler and hose-reel applications are well-suited.
