Leo 4SR3-21 / 1.5KW Submersible Borehole Pump Only » Buy online now for only R 3,108.60 incl. VAT

Introducing the LEO 4SR3-21 submersible borehole pump, a 4-inch submersible pump engineered for reliable water extraction in demanding applications across mining, agriculture, aquaculture, and industrial sectors. Built with an AISI304 stainless steel casing and advanced hydraulic design, this submersible borehole pump delivers consistent performance for groundwater supply, building site dewatering, and food and beverage processing where durability and corrosion resistance are paramount.

Featuring impellers crafted from FDA-approved Noryl® material with a floating design, the 4SR3-21 combines high-strength construction with exceptional longevity in challenging environments. Its robust AISI304 motor base meets NEMA standards, while integrated stainless steel check valves, gaskets, and internal strainers ensure trouble-free operation in applications with sand content up to 0.25%, making it ideal for both commercial installations and domestic water supply systems requiring submersible pump reliability.

Application

• 4" SR series submersible pump adopts AISI304 casing and high-strength and durable "floating impeller"
• Impellers are made of American "Noryl®" material, which has got the approval of FDA(American Food and Drug Administration)
• With high-quality hydraulic design, AISI304 motor base up to "NEMA" standard, built-in AISI304 check valve, gasket, motorund outlet and built-in strainer
• Can be widely applied to mining and building industry, agriculture, aquaculture, food and beverage industry and family water supply

Motor And Pump

• Power: Single phase: 0.37~2.2KW 220~240V
• Power: Three phase: 0.75~7.5KW 380~415V
• Insulation class: B
• Protection grade: IP68
• Frequency: 50HZ
• Flow range: 1~10 (m3/h)
• Maximum fluid temperature: 35
• Maximum sand content: 0.25%