NW Series low pressure condensate pump for power plant applications – high-suction horizontal pump with cast iron construction
NW Series Low Pressure Condensate Pump

Centrifugal Pump

NW Series Low Pressure Condensate Pump

High-suction performance NW condensate pump for power plant applications. Flow 36-182m³/h, head 130-230m. Excellent NPSH characteristics for handling condensate and low-pressure services. Durable cast iron/stainless steel construction. Ideal for power generation. ISO certified.
  • OEM
  • Factory Direct Supply
  • ISO9001 Certified
Overview

Product Overview

Product Description

The NW Series is a specialized low pressure condensate pump engineered for power plant applications and services demanding exceptional suction performance. Its advanced hydraulic design delivers outstanding NPSH characteristics, making it the ideal choice for handling condensate and other low-pressure fluids where cavitation resistance is critical.

This pump features a carefully optimized impeller and casing design that ensures smooth flow entrance and minimal pressure drop, significantly reducing the risk of cavitation even under challenging suction conditions. It efficiently handles condensate, boiler feedwater, and other low-pressure services. The pump casing and impellers are available in high-quality cast iron or optional stainless steel, bronze, and carbon steel, ensuring long-lasting durability in continuous power plant operation. All NW pumps are manufactured under strict quality control and certified with ISO 9001, ISO 14001, and ISO 45001 standards.

We offer OEM & ODM services. Contact us for more details, price list and product catalog.

KEY FEATURES

  • Excellent NPSH performance for reliable operation in low-pressure condensate service.
  • Flow rates from 36 to 182 m³/h to meet various power plant condensate requirements.
  • Delivers heads from 130 to 230 meters for efficient condensate return and boiler feeding.
  • Specially designed hydraulic profile minimizes cavitation risk in high-temperature applications.
  • Constructed from durable cast iron, stainless steel, bronze, or carbon steel for longevity.
  • Equipped with mechanical seals or packing seals for leak-free reliability.
  • Ideal for power plant condensate systems and applications requiring superior suction performance.
  • ISO 9001 certified, ensuring quality and dependable operation in critical services.

Specifications

Technical Parameters

Parameter Specification Parameter Specification
Model Series NW Pump Type Low Pressure Condensate Pump
Flow Rate (Q) 36 – 182 m³/h Head (H) 130 – 230 m
Speed (n) 1450 rpm or 2900 rpm Operating Temperature Up to 120°C (higher with customization)
Materials of Construction Cast Iron / Stainless Steel / Bronze / Carbon Steel Seal Type Mechanical Seal / Packing Seal
Drive Type Direct Coupling with Electric Motor Installation Type Horizontal / Baseplate Mounted
Motor Protection Class IP54 / IP55 (Customizable) Certifications ISO 9001, ISO 14001, ISO 45001
NPSH Characteristic Optimized for excellent suction performance Applicable Media Condensate, Boiler Feedwater, High-Temperature Water, Low-Pressure Fluids

Manufacturing

Precision engineering, advanced facilities.

Certifications

Global certifications for reliable performance.

OEM/ODM

Tailor-made pumps for your specifications.

Packaging

Robust export packaging for safe delivery.

Use Cases

Applications

The NW series low pressure condensate pump is specifically designed for demanding power plant applications, providing reliable performance with superior cavitation resistance for condensate handling and low-pressure services.

  • Power Plant Condensate Systems

    Essential as a condensate pump for returning steam condensate to the boiler or deaerator in thermal power plants.

  • Boiler Feedwater Service

    Reliable for low-pressure boiler feed applications requiring excellent suction performance.

  • Industrial Steam Systems

    Handles condensate return in industrial steam distribution and process heating systems.

  • High-Temperature Water Circulation

    Suitable for circulating high-temperature water where cavitation resistance is critical.

  • Process Industry Applications

    Ideal for chemical and petrochemical plants requiring pumps with superior NPSH characteristics.

  • District Heating Return Lines

    Reliable for handling hot water return in district heating networks.

  • Marine Power Systems

    Suitable for condensate handling in marine boiler and steam turbine applications.

  • Cogeneration Plants

    Handles condensate in combined heat and power (CHP) generation facilities.

Support

Frequently Asked Questions

What makes the NW condensate pump different from standard centrifugal pumps?
The NW series is specifically engineered with an advanced hydraulic design that delivers exceptional NPSH (Net Positive Suction Head) performance, making it ideal for condensate service where low suction pressure and cavitation risk are major concerns.
Why is NPSH performance critical for power plant condensate pumps?
Condensate pumps operate with very low inlet pressure since they draw from condensers operating under vacuum. Excellent NPSH characteristics prevent cavitation, ensuring reliable operation and preventing damage to pump components.
What materials are used in this low pressure boiler feed pump?
We offer various material options including cast iron, stainless steel, bronze, and carbon steel. For high-temperature condensate applications, stainless steel construction is recommended for enhanced corrosion resistance and durability.
Can this pump handle high-temperature condensate?
Yes, the NW series is designed for condensate temperatures up to 120°C standard, with customized options available for higher temperature requirements in power plant applications.
What industries typically use this high-suction performance pump?
The NW series is primarily used in thermal power plants, cogeneration facilities, industrial steam systems, and any application requiring reliable condensate return with superior cavitation resistance.
What type of seal does this power plant pump use?
The NW series is available with either mechanical seals or packing seals. Mechanical seals are typically recommended for condensate service to ensure leak-free operation and minimize maintenance.
Do you offer OEM service for this condensate return pump?
Yes, we offer OEM and ODM services. We can customize materials, motor specifications, seal types, and baseplate configurations to meet your specific power plant requirements.
What certifications do your ISO certified pumps hold?
Our pumps are manufactured in ISO 9001 certified facilities. We also maintain ISO 14001 environmental management and ISO 45001 occupational health and safety certifications.
What is the typical lead time for standard NW models?
For standard NW models, lead time is typically 20-30 working days. Customized configurations for specific power plant requirements may require additional time. Please contact us for specific delivery schedules.
Is this pump suitable for continuous 24/7 operation in power plants?
Yes, the NW series is designed for continuous heavy-duty operation in critical power plant services, with robust construction and reliable components ensuring long-term performance even under 24/7 duty cycles.

Have more questions? Our technical team is ready to help you select the right pump model.

Need Help Selecting the Right Pump?

Our engineering team will provide a professional selection recommendation within 24 hours based on your specific requirements.

Contact Information

WeChat: +86-13952764345
Address Industrial Park
Manufacturing District, China

What We Need

Flow Rate Required Specify your required flow rate (m³/h)
Total Head Needed Required pumping head (m)
Liquid Type Type of liquid to be pumped
Solid Particle Size Maximum solid size (mm)

Response Time

24-48h

Technical recommendations and quotations during business days

Our experienced engineers will analyze your application and provide detailed pump selection with complete technical specifications and pricing.