China Boiler Feed Pump Supplier | DG Series High Pressure Multistage Pump for Thermal Power Plant

China Boiler Feed Pump Supplier | DG Series High Pressure Multistage Pump for Thermal Power Plant
Boiler Feed Pump (DG) , Power Station

Product Description

The DG Boiler Feed Pump is a multistage horizontal centrifugal pump designed for high-pressure boiler feed systems in power plants and industrial facilities. With a flow range of 6.3–280 m³/h and head capability up to 1,000 m, it supports a wide spectrum of boiler feed applications. Its robust design handles temperatures up to 170 °C and pressures up to 40 bars, making it reliable in demanding steam cycle systems.

🌍 Applications

  • Power Stations / Thermal Plants – supplying high-pressure feedwater for boilers
  • Industrial Boilers – chemical, petrochemical, pulp & paper, cement plants
  • Combined Heat & Power (CHP) Systems – maintaining circulation in steam networks
  • District Heating Systems – when high head and pressure are required
  • Large-scale Process Plants – for high-pressure clean water feed to reactors or exchangers

⚙️ Technical Data

Parameter Specification Parameter Specification
Flow Range 6.3 – 280 m³/h Power (Corollary) 4.0 – 1,250 kW
Head Range 75 – 1,000 m Inlet / Suction Diameter 40 – 200 mm
Max Temperature 0 – 170 °C Operation Pressure ≤ 40 bars
Pump Type Multistage, horizontal, double-suction impeller Installation Orientation Horizontal pipeline pump
Package Export wooden case Origin / Trademark China, Suhua

Product Specifications

Model (r/min) m³/h L/s (m) (%) (kW) (m)
Shaft power Motor Power NPSH
DG 6-25×329503.751.0476.5332.375.52.0
6.31.7575452.862.0
7.52.0873.5473.192.5
DG 6-25×429503.751.04102333.167.52.0
6.31.75100453.812.0
7.52.0898474.262.5
DG 6-25×529503.751.04127.5333.957.52.0
6.31.75125454.772.0
7.52.08122.5475.322.5
DG 6-25×629503.751.04153334.73112.0
6.31.75150455.722.0
7.52.08147476.392.5
DG 6-25×729503.751.04178.5335.52112.0
6.31.75175456.672.0
7.52.08171.5477.452.5
DG 6-25×829503.751.04204336.31152.0
6.31.75200457.632.0
7.52.08196478.582.5
DG 6-25×929503.751.04229.5337.10152.0
6.31.75225458.522.0
7.52.08220.54790582.5
DG 6-25×1029503.751.04255337.8918.52.0
6.31.75250459.532.0
7.52.082454710.632.5
DG 6-25×1129503.751.04280.5338.6818.52.0
6.31.752754510.52.0
7.52.08269.54711.712.5
DG 6-25×1229503.751.04306339.4718.52.0
6.31.753004511.442.0
7.52.082944712.782.5
DG 12-25×329507.52.0884.6443.937.52.0
12.53.4775544.732.0
15.04.1769535.372.5
DG 12-25×429507.52.08112.8445.24112.0
12.53.47100546.302.0
15.04.1792537.092.5
DG 12-25×529507.52.08141446.55112.0
12.53.47125547.882.0
15.04.17115538.862.5
DG 12-25×629507.52.08169.2447.85152.0
12.53.47150549.462.0
15.04.171385310.642.5
DG 12-25×1029507.52.082824413.09222.0
12.53.472505415.762.0
15.04.172305317.732.5
DG 12-25×1129507.52.08310.24414.4222.0
12.53.472755417.342.0
15.04.172535319.52.5
DG 25-30×72950154.172385019.44302.2
256.942106223.12.2
308.33192.56324.902.6
DG 25-30×82950154.172725022.22372.2
256.942406226.42.2
308.332206328.532.6

💡 Features & Benefits

  • High-Pressure Capability — Able to deliver head values up to 1,000 m, meeting demanding boiler feed requirements.
  • Multistage Design — Each stage contributes to pressure, reducing radial load and improving reliability.
  • Double-Suction Impeller — Balanced hydraulics lowers axial thrust, improving pump life and stability.
  • Wide Operating Range — Effective across large flow and head spans for varied boiler capacities.
  • Temperature & Pressure Durability — Suitable for feedwater up to 170 °C and pressures ≤ 40 bars.
  • Robust Construction — Designed for heavy-duty industrial environments and continuous operation.
  • Low Vibration & Noise — Precision machined parts and balanced design ensure quiet operation.
  • Easier Maintenance — Modular design allows staged disassembly, reducing downtime.
  • China OEM / Export Ready — Factory direct supply, customizable options, and export packaging.

❓ Frequently Asked Questions

Q1: What is the maximum head this pump can achieve?

A: The DG Boiler Feed Pump is rated up to 1,000 meters head, suitable for high-pressure feedwater systems.

Q2: What kinds of plants typically use this pump?

A: Used in power plants, industrial boiler systems, CHP facilities, district heating, and large process plants where high-pressure feedwater is essential.

Q3: Can it handle high-temperature feedwater?

A: Yes, it supports up to 170 °C, suitable for many boiler cycle conditions.

Q4: How is this pump different from standard multistage pumps?

A: It’s specifically designed for boiler feed service, with double-suction impellers, high-pressure tolerance, and optimized for steam cycle reliability.

Q5: Do you support customized versions?

A: Yes. As a manufacturer, we provide OEM / custom configurations — different stages, materials, connection sizes — to suit your plant’s requirements.

Q6: What is the maximum operating pressure?

A: The pump can operate reliably up to 40 bars of pressure.