The high-temperature submersible pump consists of two main components: a high-quality three-phase asynchronous submersible motor and a water pump. This type of pump is designed to operate submerged in the medium, featuring superior materials, an advanced structure, wide flow passages, and strong self-cleaning capabilities.

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Submersible pump

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Horizontal Single-Stage Fire Pump

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Product overview Product parameters Why choose us? Frequently Asked Questions

Product Overview

The high-temperature and high-pressure submersible pump consists of two main components: a high-quality submersible three-phase asynchronous motor and a water pump. This type of pump is designed to operate submerged in the medium, featuring superior materials, an advanced structure, wide flow passages, and strong self-cleaning capabilities.

High-temperature and high-pressure submersible pump

The high-pressure submersible pump features a compact, short design and operates without axial forces. It boasts a long service life and employs an embedded coupling for power transmission, making it easy to separate and reassemble the pump and motor. This pump can be installed at any angle, including horizontally or at an incline, making it particularly suitable for various industrial and mining drainage systems—such as removing accumulated water during mine rock drilling, ensuring normal drainage during mining operations, responding to emergency rescue efforts, restoring mine drainage, and handling tunnel drainage emergencies.

The motor is directly connected to the pump body above it. The upper end of the motor shaft is equipped with a robust shaft seal that effectively prevents any cross-contamination between the coolant inside the motor and the medium being pumped, ensuring the pump operates safely and reliably over the long term. The submersible motor is a water-filled, vertical, well-type asynchronous motor designed for submerged operation. The motor is directly coupled to the pump via a cylindrical coupling. The motor windings are made of high-temperature-resistant polyethylene electromagnetic wire with a nylon-sheathed insulation, capable of withstanding temperatures up to 150°C. This motor is an essential piece of equipment for drawing high-temperature water. It is primarily used for underground water extraction from hot springs, district heating systems, and other applications. It can also be used in swimming pools, water tanks, and pressurized water systems.

Product Parameters

Technical Parameters for High-Temperature and High-Pressure Submersible Pumps

The high-temperature submersible pump consists of two main components: a submersible three-phase asynchronous motor and a pump. The motor is directly connected to the pump body located above it. At the upper end of the motor shaft, there is a robust shaft seal that effectively prevents any exchange between the coolant inside the motor and the medium being pumped, ensuring the pump operates safely and reliably over the long term. The submersible motor is a water-filled, vertical, well-type asynchronous motor designed for submerged operation. The motor is directly coupled to the pump via a cylindrical coupling. The motor windings are made of high-temperature-resistant polyethylene electromagnetic wire with a nylon sheath, capable of withstanding temperatures up to 150°C. This pump is an essential piece of equipment for extracting high-temperature water. It is primarily used for underground water extraction from hot springs, district heating systems, and other similar applications. It can also be employed in swimming pools, water tanks, and pressurized water systems.

1: Permitted operating water temperature range: +5 to +105℃

2: The content of solid impurities (by mass ratio) shall not exceed 0.01%.

3: pH (acidity/alkalinity) 6.5–8.5

4: The hydrogen chloride content shall not exceed 1.5 mg/L.

5: The chloride ion content shall not exceed 400 mg/L.

6: The unit must be fully submerged in water during operation. When using it in a vertical configuration, the well diameter and pump type must be properly matched. Under no circumstances should a pump with a smaller diameter be selected for a larger-diameter borehole, as this would hinder the motor’s heat dissipation.

Applications of high-temperature and high-pressure submersible pumps

High-temperature submersible pumps are suitable for conveying liquids containing impurities such as sand, gravel, coal slag, fibers, and other debris. They are primarily used in industries like metallurgy, mining, thermal power plants, as well as on construction sites, wastewater treatment plants, and sewage treatment ponds for the removal and transportation of wastewater. These pumps represent an ideal replacement for conventional sewage pumps (proper operation and maintenance are essential for high-temperature submersible pumps).

Features and Advantages of High-Temperature Submersible Pump Products

1. It employs a dual-stage tandem mechanical seal. The mechanical seal faces are made of alloy against silicon carbide; the rubber components of the mechanical seal are nitrile rubber, and the mechanical seal springs are made of stainless steel, ensuring durability and wear resistance.

2. High-quality bearings featuring high rotational speed, low noise, low vibration, and minimal wear, which can extend the service life of the pump.

3. Dual-flow-channel impeller: This type of impeller is bladeless, with a curved flow passage extending from the inlet to the outlet. Therefore, it is well-suited for pumping media containing large particles and long fibers, exhibits excellent anti-clogging performance, has a relatively stable power curve, and is less likely to experience issues of excessive power consumption.

4. Waterproof and corrosion-resistant cable.

5. The motor uses a Y2 national standard copper-wire motor.

6. Equipped with stainless steel screws and lifting rings.

7. Smooth and aesthetically pleasing appearance.

8. Automatic coupling devices and automatic control cabinets for water pumps are available for optional purchase.

Main advantages:

High-temperature submersible pump with brushless DC motor, driven by permanent magnets, maintenance-free, long service life, compact size, high efficiency, and low power consumption.

The stator and rotor of the high-pressure submersible pump are completely isolated from each other. The stator and circuit board components are encapsulated with epoxy resin, providing complete waterproof protection.

The high-pressure submersible pump operates smoothly and is free of axial forces. Its flow rate and head can be significantly increased, broadening the selection range and meeting the drainage requirements for deep mine resource extraction. Moreover, it eliminates axial forces by achieving automatic balance, resulting in low noise levels and a long service life.

Both the pump shaft and the sleeve are made of high-precision ceramic [optional].

The parameter is adjustable—12V can be set to a head of 2 meters, or it can also be adjusted to a head of 3 meters.

The pump comes with a detachable, fixed base.

Can be specially customized according to customer needs.

Friendly reminder: For the performance parameters of the QJR high-temperature and high-pressure submersible pump, please click → [Pump Selection] page to view.

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

What is your typical delivery time?

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 。

Do you have centrifugal pumps in stock?

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.

What information should I provide when requesting a quote?

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.

What products do you mainly produce?

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.

Could you help me with the selection?

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.

Why is it so slow to get a price quote?

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.

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+86 0731-88632200

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No. 210, Huanbao Zhong Road, Yuhua District, Changsha City, Hunan Province, Leowoju Wisdom Valley Building B, 8th Floor

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