DG series high pressure multistage boiler feed pump manufactured by China factory for industrial boilers
DG Series High Pressure Single Suction Multistage Boiler Feed Pump

Multistage Pump

DG Series High Pressure Single Suction Multistage Boiler Feed Pump

DG horizontal multistage boiler feed pump for high-pressure water transfer. Flow 6.3-280m³/h, head 75-650m, power 5.5-850kW, discharge 40-200mm. Handles clean water & similar liquids. Ideal for boiler feed, industrial high-pressure systems. ISO certified.
  • OEM
  • Factory Direct Supply
  • ISO9001 Certified
Overview

Product Overview

Product Description

The DG Series is a horizontal multistage centrifugal pump specifically designed for high-pressure boiler feed applications. It features a single suction multistage construction for stable performance in industrial high-pressure water transfer systems.

This pump adopts modular multistage design with multiple impellers mounted in series, providing smooth and reliable high-pressure output. It is able to handle clean water and liquids with similar physical and chemical properties, with solid content less than 1% and particle size below 0.1mm. The pump body is available in multiple material options including cast iron, stainless steel, bronze, and carbon steel, with shafts manufactured from 304 or 316 stainless steel, ensuring durability and long service life. All DG series pumps are strictly tested 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

  • Horizontal multistage design delivers high pressures up to 650 meters for demanding applications.
  • Flow rates from 6.3 to 280 m³/h accommodate various boiler feed and industrial requirements.
  • Power range from 5.5kW to 850kW for diverse system demands and installation sizes.
  • Discharge diameters from 40mm to 200mm for flexible pipeline integration.
  • Pump body and impeller available in cast iron, stainless steel, bronze, or carbon steel.
  • Shaft manufactured from 304 or 316 stainless steel for enhanced durability and corrosion resistance.
  • Equipped with packing seals or mechanical seals for reliable leak-free operation.
  • Suitable for clean water with solid content less than 1% and particle size below 0.1mm.
  • ISO 9001, ISO 14001, and ISO 45001 certified for quality and safety.

Specifications

Technical Parameters

Parameter Specification Parameter Specification
Model Series DG Pump Type High Pressure Single Suction Multistage Boiler Feed Pump
Flow Rate (Q) 6.3 – 280 m³/h Head (H) 75 – 650 m
Power (P) 5.5 – 850 kW Speed (n) 2950 rpm / 1450 rpm (typical)
Number of Stages 2 – 12 (customizable) Suction & Discharge Diameter 40 – 200 mm
Max. Working Pressure Up to 6.5 MPa (65 bar) based on head Pump Body Material Cast Iron / Stainless Steel / Bronze / Carbon Steel
Impeller Material Cast Iron / Stainless Steel / Bronze / Carbon Steel Shaft Material 304 Stainless Steel / 316 Stainless Steel
Seal Type Packing Seal / Mechanical Seal Liquid Temperature Range Up to 80°C (standard), higher with customization
Liquid Type Clean water (solids <1%, particles <0.1mm) and similar liquids Motor Protection Class IP55
Motor Insulation Class Class F / Class H Installation Type Horizontal / Baseplate Mounted
Certifications ISO 9001, ISO 14001, ISO 45001

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 DG series high pressure multistage boiler feed pump is engineered for reliable performance in industrial high-pressure water systems, handling clean water and similar liquids in demanding applications.

  • Boiler Feed Systems

    Essential for supplying high-pressure water to industrial boilers in power plants, factories, and processing facilities.

  • High-Pressure Industrial Water Transfer

    Reliable for transferring water at high pressures in manufacturing and industrial processes.

  • Mine Water Drainage

    Suitable for dewatering applications in mining operations requiring high-pressure performance.

  • High-Rise Building Water Supply

    Effective for pressure boosting in multi-story buildings and commercial complexes.

  • Industrial Cleaning Systems

    Ideal for high-pressure water jetting and industrial cleaning applications.

  • Hydraulic Engineering

    Used in various water conservancy projects requiring reliable high-pressure pumping.

  • Power Plant Auxiliary Systems

    Handles condensate transfer and other high-pressure auxiliary services.

  • Factory Process Water Systems

    Provides high-pressure water for industrial production and processing lines.

Support

Frequently Asked Questions

What are the typical applications for a DG multistage boiler feed pump?
The DG series is primarily designed for boiler feed systems in power plants and industrial facilities, as well as high-pressure water transfer, mine drainage, and high-rise building water supply.
What is the maximum head this high-pressure centrifugal pump can achieve?
The DG series can achieve heads from 75 meters up to 650 meters depending on the number of stages and configuration, making it suitable for demanding high-pressure applications.
What quality of water can this boiler feed pump handle?
This pump is designed for clean water with solid content less than 1% and particle size below 0.1mm, as well as other liquids with similar physical and chemical properties.
What shaft material options are available for this industrial multistage pump?
The pump shaft is available in 304 or 316 stainless steel, providing excellent strength and corrosion resistance for continuous industrial operation.
Can this pump be used for mine dewatering applications?
Yes, the DG series is suitable for mine water drainage and other high-pressure dewatering applications requiring reliable multistage pump performance.
What is the power range available for this high-pressure water pump?
The DG series offers power ratings from 5.5kW to 850kW, allowing selection of the optimal pump size for various system 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.
Do you offer OEM service for this multistage centrifugal pump?
Yes, we offer OEM and ODM services. We can customize the number of stages, materials, motor specifications, and seal types to meet your specific boiler feed or industrial requirements.

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.