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Cornell

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Cornell Dewatering Pumps


Cornell Dewatering Series pumps represent the industry standard for dependable, high-performance solids-handling applications. Engineered with robust construction and patented technology, these self-priming centrifugal pumps deliver exceptional efficiency and longevity across demanding mining, construction, municipal, and industrial environments.

General Specifications


SpecificationDetails
Discharge Sizes3" to 30" (extensive range for varied applications)
Motor Power Available10 – 400+ HP (multiple voltage and drive options)
Maximum Flow RatesUp to 40,000 GPM (depending on model)
Maximum HeadUp to 600 feet total dynamic head (model dependent)
Solids Handling CapabilityUp to 10.2" spherical solids (specific models handle larger debris)
Available ConfigurationsFrame-mount, SAE engine-mount, close-coupled, vertical mount, and submersible options

Key Features


  • Cycloseal® System: Eliminates external flush water and extends seal life up to 10×.

  • High Efficiency: Up to 82% BEP efficiency for lower energy costs.

  • Durable Build: Heavy-duty castings and oversized bearings ensure long service life.

  • Stable Operation: Low shaft deflection minimizes wear on internal components.

  • Impeller Flexibility: Options for solids, fibrous materials, or clog-prone liquids.

  • Easy Maintenance: Back pull-out design allows fast service without disconnecting piping.

  • Redi-Prime® System: Automatic priming with suction lift up to 28 feet.

  • Run-Dry™ Feature: Operates safely without water, preventing seal damage.

  • Proven Reliability: Backed by decades of performance in demanding conditions.

Materials of Construction


  • Impellers: Cast iron, CA6NM (high-chrome white iron), or stainless steel options

  • Volute/Casing: Ductile iron or cast iron

  • Shaft: 17-4PH stainless steel or alloy steel

  • Shaft Sleeve: 416 stainless steel

  • Mechanical Seal: Tungsten carbide vs. silicon carbide hard-face seals

  • Bearing Frame: Cast iron with deep groove ball bearings

Applications


  • Mining & Quarrying – Pit dewatering, tailings transfer, slurry handling

  • Construction & Excavation – Jobsite dewatering, groundwater management

  • Municipal & Utilities – Wastewater lift stations, stormwater transfer, sludge handling

  • Industrial Water Transfer – High-volume liquid and slurry movement

  • Oil & Gas Operations – Production water disposal, process dewatering

  • Rental Equipment – Proven durability for fleet operations

  • Food Processing – Manure and waste slurry applications

  • Environmental Services – Contaminated water handling and remediation



4NHTB19 Datasheet
10NHTB-F Datasheet
10NHTB Datasheet
6NHTB Datasheet
6NHTB19 Datasheet
12NHTB Datasheet
4NHTB DatasheetMX-Series

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    • 1 YEAR WARRANTY ON MANUFACTURING DEFECTS, IF APPLICABLE
    • A 15% HANDLING CHARGE WILL BE APPLIED TO ALL RETURNED ITEMS
    • RETURN SHIPPING WILL BE AT THE CUSTOMER'S EXPENSE
    • ONLY ITEMS PURCHASED WITHIN 30 DAYS ARE ELIGIBLE FOR RETURN AND RECEIVED IN ORIGINAL PACKING CONDITION
    • ALL PRODUCTS ARE SUBJECT TO PRIOR SALE - STOCK NOT HELD
    • SUBJECT TO OUR GENERAL TERMS AND CONDITIONS OF SALE
    • DELIVERY SCHEDULES WILL BE CONFIRMED UPON RECEIPT OF ORDER
    • ALL INFORMATIONS, DESCRIPTIONS, SPECIFICATIONS, IMAGES, AND TERMS ARE SUBJECT TO BE UDPATED WITHOUT PRIOR NOTICE
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