Cornell

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

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.