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Precision Industrial Pumps for Demanding Applications

Neptune Pump Co., Ltd. (NEP) – A leading Chinese manufacturer with 23 product series, 1203+ models, serving petrochemical, power, marine, mining, and municipal industries worldwide.

Neptune Pump Manufacturing Facility

About Neptune Pumps

Hunan Neptune Pump Co., Ltd. (NEP) is a professional pump manufacturer located in Changsha National Economic and Technical Development Zone. As a provincial High-Tech Enterprise, NEP is recognized as one of the key enterprises in China’s pump industry.

Through independent research and development, application of imported technology, and collaboration with research institutes, NEP has developed 23 product series, including 247 varieties and 1203 items. Our pumps serve critical applications in petrochemical, marine, power, steel and metallurgy, municipal, and water conservancy sectors.

NEP provides comprehensive solutions including pump units and control systems, energy-saving reconstruction, energy performance contracting, pump station inspection, maintenance, and full construction contracting.

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NEP Manufacturing Plant

Our Product Range

NEP offers 23 series of industrial pumps designed for reliability, efficiency, and durability in the most demanding environments.

Vertical Turbine Pump

Vertical Turbine Pump

Ideal for deep well, boiler feed, and condensate return applications. High efficiency and low NPSH required.

  • • Multi-stage or single-stage
  • • Flow: 50–5000 m³/h
  • • Head: Up to 300m
Fire Systems

Fire Systems

Certified fire pumps including electric and diesel-driven models for commercial and industrial protection.

  • • UL/FM/CCC certified
  • • Electric & diesel options
  • • Pre-packaged systems
Horizontal Split Case Pump

Horizontal Split Case Pump

Robust design for high-flow, medium-pressure applications in water supply and HVAC systems.

  • • Flow: 100–10,000 m³/h
  • • Pressure: Up to 25 bar
  • • Double suction design
Magnetic Drive Pump

Magnetic Drive Pump

Sealless design eliminates leakage—ideal for handling toxic, corrosive, or volatile chemicals.

  • • Zero leakage
  • • Corrosion-resistant materials
  • • API 685 compliant
Chemical Process Pump

Chemical Process Pump

Engineered for aggressive chemicals with high reliability and minimal downtime.

  • • ANSI/ISO standards
  • • Alloy 20, Hastelloy, SS316
  • • High temperature options
Cryogenic Submersible Pump

Cryogenic Submersible Pump

Designed for LNG, liquid nitrogen, and oxygen transfer. Permanent magnet non-leakage technology.

  • • U.S. Patent certified
  • • -196°C operation
  • • Submerged motor design
Multistage Pump

Multistage Pump

High-pressure applications such as boiler feed, reverse osmosis, and high-rise building supply.

  • • Up to 12 stages
  • • Pressure: 100–400 bar
  • • Vertical or horizontal
Vertical Sump Pump

Vertical Sump Pump

For sump, wet well, and wastewater applications with excellent solids handling.

  • • Submersible or dry-pit
  • • Vortex or vortex-assist impeller
  • • Up to 300mm solids
Electric Submersible Seawater Pump

Electric Submersible Seawater Pump

Corrosion-resistant pumps for offshore platforms, desalination, and marine cooling systems.

  • • Super duplex stainless steel
  • • Sand-resistant design
  • • IP68 motor protection
Vertical Condensate Pump

Vertical Condensate Pump

High-temperature condensate recovery for power plants and industrial steam systems.

  • • Up to 200°C
  • • High NPSH margin
  • • API 610 compliant
Floating Pumping Station

Floating Pumping Station

Mobile and flexible solution for emergency dewatering, flood control, and temporary water transfer.

  • • Barge-mounted
  • • Diesel or electric drive
  • • Rapid deployment
Multiphase Pump

Multiphase Pump

For oil & gas applications where gas, liquid, and solids are transported simultaneously.

  • • High gas volume fraction
  • • Subsea or topside
  • • Robust rotor design

Industry Solutions

NEP delivers tailored pumping solutions across critical industrial sectors.

P

Petrochemical

Pumps for refining, LNG, chemical processing, and pipeline transfer with API 610 compliance and high reliability.

⚡

Power

Solutions for coal-fired, nuclear, and hydro power plants including condensate, feedwater, and cooling pumps.

🏭

Steel & Metallurgy

High-temperature and high-pressure pumps for rolling mills, descaling, and cooling circuits.

💧

Municipal

Water supply, wastewater, flood control, and desalination with energy-efficient and durable designs.

⚓

Marine

Seawater pumps, ballast systems, and firefighting solutions for ships and offshore platforms.

⛏️

Mining

Slurry, dewatering, and process pumps built for abrasive and high-solids environments.

23

Product Series

1203+

Pump Models

30+

Countries Served

1998

Founded

Latest News

NEP Award

NEP Wins “New Hunan Contribution Award”

On December 25, NEP was honored as an Advanced Collective in the 2nd “New Hunan Contribution Award” at a ceremony in Changsha. The recognition highlights NEP’s significant role in regional industrial development.

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U.S. Patent

NEP Receives U.S. Invention Patent

NEP has obtained a U.S. invention patent for its permanent magnet non-leakage cryogenic pump—a milestone that validates our innovation in sealless, low-temperature pumping technology.

Read More →
President Award

President Geng Jizhong Honored as “Excellent Entrepreneur”

Mr. Geng Jizhong, President of NEP, received the “Excellent Entrepreneur” title at the 2023 Changsha County Entrepreneur Day, recognizing his leadership and contribution to industrial growth.

Read More →

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit the official NEP website to contact the team directly.

Visit Official Website to Contact

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