Having 26 series -312 varieties - over 1000 pump models

Focused on water pump research and development manufacturing for 36 years

Free training for operation and maintenance personnel/free installation guidance/free provision of installation drawings

Multi-stage diesel engine pump unit



classification:

Diesel engine pump

keyword:

Horizontal Single-Stage Fire Pump

multistage diesel engine pump

Product overview Product parameters Why choose us? Frequently Asked Questions

Product Overview

  The D-type multi-stage diesel-driven pump unit, powered by a diesel engine, is suitable for water supply and drainage in mines, factories, and urban areas. It is designed to convey clean water free of solid particles or liquids with physical and chemical properties similar to those of clean water. The temperature of the medium being conveyed ranges from 0°C to 80°C, and the allowable inlet pressure is up to 0.6 MPa.

 

Multistage diesel engine pumps are powerful, high-efficiency pumping systems designed for demanding water transfer applications. Driven by reliable diesel engines, these pumps deliver strong pressure and stable flow, making them ideal for irrigation, firefighting, construction dewatering, and industrial fluid handling. The multistage design increases discharge pressure by passing water through multiple impellers, ensuring enhanced performance over long distances or elevated terrains. Built with durable materials and robust construction, they operate effectively in remote areas without electricity. Easy maintenance, fuel efficiency, and consistent output make multistage diesel engine pumps a dependable solution for heavy-duty and continuous operations.

Product Parameters

Product features of multi-stage diesel engine pump units:
  (1) Multi-level Diesel engine pump Features high head and high pressure;
  (2) It adopts a highly efficient and energy-saving hydraulic model recommended by the state, offering advantages such as high operational efficiency, low noise, and minimal vibration.
  (3) The service life of wear parts is longer, thereby significantly extending the pump’s overall service life.
  (4) By changing the pump material, modifying the sealing configuration, and adding a cooling system, the pump can handle hot water, oils, and media containing abrasives.
 
Parameter range for multi-stage diesel engine pump units:

  Flow rate Q: 3.7–1350 m³/h

  Head H: 17–1800 m

  There are three methods for indicating the model of Type D pumps, which are described below:

   1. D280-43/84×5

  “D” indicates a single-stage, multi-suction, segmental centrifugal clear water pump.

  “280” – indicates the pump’s flow rate (m³/h).

  “43” – indicates the single-stage head of the pump (m).

  “84” – indicates the year.

  “5” – indicates the series.

  2. D80-30×5

  “D” indicates a single-stage, multi-suction, segmental centrifugal clear water pump.

  “80” – indicates the pump’s suction inlet diameter (mm).

  “30” – indicates the single-stage head of the pump (m).

  “5” – indicates the series.

  The pump represented by this method is only D80-30.

   3. 150D30×5

  “150” – indicates the pump’s suction port diameter (mm).

  “D” indicates a single-stage, multi-suction, segmental centrifugal clear water pump.

  “30” – indicates the single-stage head of the pump (m).

  “5” – indicates the series.

Multi-stage diesel engine pump unit structural type:

  The D-type multistage pump units are installed horizontally. With the exception of the D16-60 pump, whose suction inlet is oriented vertically upward, the suction inlets of all other pumps are horizontal. The discharge outlets of D-type pumps generally point vertically upward. As for the new centrifugal pumps, to better meet user needs, they feature a straightforward inlet-and-outlet design, with axial forces balanced by a balance disc. Mechanical seals are typically used for shaft sealing; however, depending on customer requirements, packed gland seals can also be employed. With the exception of the D85-67 and D155-67 pumps, which utilize sliding bearings lubricated with thin oil, all other pumps employ rolling bearings lubricated with grease.

  Rotation direction: When viewed from the motor end toward the pump, the rotation is clockwise.

  Material of main components: The flow parts of the pump are all made of cast iron, and the shaft is made of No. 45 steel.

  Pump complete set scope: The pump is supplied complete with motor and base, and can be equipped with either a functional base or a self-contained base. The manufacturer also provides accessories (including discharge cone pipes, gate valves, foot valves, and check valves) and spare parts (including impellers, sealing rings, guide vane sleeves, balance discs, and shaft sleeves).


 

  For performance parameters, please directly refer to the pump selection page.

Why choose us?

Changsha Zhonghlian Pump Industry Co., Ltd. was founded in 1989 and was independently established after the restructuring of Changsha Water Pump Factory. It is a comprehensive national high-tech enterprise integrating design, research and development, manufacturing, and service. The company was listed on the Hunan Provincial Equity Exchange on December 31, 2019, with the abbreviation "Zhonghlian Pump Industry" and the equity code: 600275HN. It is currently a key backbone enterprise in China's centrifugal pump industry and one of the major professional manufacturers of multi-stage pumps in the country. The headquarters is located in Changsha City, Hunan Province, a historical and cultural city in China.

41000 m²

Square meters of land area

100 %

100% factory pass rate

41000 m²

Square meters of land area

100 %

100% factory pass rate

Image Name

Q

What is your typical delivery time?

A

Models in stock can be shipped the next day at the latest. All others are custom-made, with lead times generally ranging from 7 to 90 days depending on the product size and project specifics. Please contact our sales manager for details: 0731-88632200 。

Q

Do you have centrifugal pumps in stock?

A

Centrifugal pumps come in numerous models and configurations. Except for a small number of high-volume, standard models that are in stock, the vast majority are not stocked and are customized products. We need to select a pump based on your site's flow rate, head, media temperature, pH value, and installation conditions, etc., to determine the pump model and configuration before we can submit an order to the factory for production.

Q

What information should I provide when requesting a quote?

A

Generally, to obtain an accurate quotation, we recommend providing us with the following information: pump flow rate, head, on-site operating voltage and frequency, temperature, pH value, and solid particle content of the fluid being conveyed, and on-site installation conditions (horizontal or vertical installation), etc.

If you are not sure, don't worry, our business managers will assist you in determining this.

Q

What products do you mainly produce?

A

Zhonglian Pump Industry manufactures various large industrial centrifugal pumps. Main products include: self-balancing multi-stage pumps, multi-stage centrifugal pumps, single-stage centrifugal pumps, split-case pumps, chemical pumps, submersible pumps, pipeline pumps, long-shaft pumps, condensate pumps, etc.

Q

Could you help me with the selection?

A

Certainly! If the water pump model is not selected accurately, there will be big problems. If you choose a smaller one, it won't meet your needs; if you choose a larger one, it will waste electricity and fuel, increasing your costs.

Q

Why is it so slow to get a price quote?

A

Because centrifugal pumps are non-standard customized products with many models, the price range is also very large. Even for the same model, the price difference is also very large due to different materials and configurations. Taking the most common water pump accessory—the impeller—as an example, the price of a stainless steel impeller is several times that of a cast iron impeller. Therefore, we need to clarify the relevant information to give you an accurate price. Normally, if you provide relatively comprehensive information, we can quote within 5 minutes.

Product message

*Note: Please fill in the information accurately and keep the communication open. We will contact you as soon as possible.