Vertical Submersible Pump for Corrosive & Abrasive Liquids
The FY Series Vertical Submersible Pump is specially engineered for transferring corrosive, high-temperature, and particle-containing liquids in demanding industrial environments. With a seal-less vertical structure and excellent corrosion resistance, this industrial submersible pump delivers reliable, leak-free performance for chemical plants, wastewater systems, metallurgy, pharmaceuticals, and acid handling applications.
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Flow Rate Range : |
3.6 m³/h ~ 360 m³/h |
|---|---|
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Head Range: |
16 m ~ 40 m |
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Motor Power : |
1.5 kw~22 kw |
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Speed: |
2900 r/min |
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Medium Temperature Range: |
0 ~ 105℃ |
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Customizable Materials: |
Stainless steel (304, 316, 316L), duplex stainless steel (2205, 2507), 904L, CD4MCU |
What Is a Vertical Submersible Pump?
A vertical submersible pump is a vertically installed centrifugal pump designed to operate while partially or fully immersed in liquid. Unlike traditional horizontal pumps, the FY Series eliminates suction limitations and reduces cavitation risks by positioning the impeller directly inside the liquid tank.
Features of Vertical Submersible Pump
Vertical Immersed Structure
The FY Series vertical submersible pump adopts a vertical immersed structure in which the hydraulic section operates directly below the liquid level inside tanks, pits, or reaction vessels. Because the impeller remains submerged during operation, the pump avoids suction pipeline losses commonly found in horizontal centrifugal pump systems. This installation method improves inlet conditions, reduces cavitation risk caused by insufficient NPSH, and provides more stable operation when handling corrosive or volatile chemical liquids.
Compared with horizontal chemical pumps, the vertical installation structure also reduces floor space requirements and simplifies piping layout for tank transfer systems, making it suitable for chemical plants, wastewater treatment systems, and industrial circulation applications..
Seal-Less Shaft Structure
To improve reliability in corrosive chemical service, the FY Series eliminates the traditional mechanical seal structure used in conventional chemical pumps. Mechanical seals are often one of the highest maintenance components when transferring acidic, alkaline, or particle-containing liquids due to wear, dry running, and corrosion.
Instead, the FY pump adopts a long-shaft support design combined with a bearing support system and immersed hydraulic structure. This seal-less configuration helps reduce leakage risk, minimize maintenance shutdowns, and lower replacement costs for consumable sealing components.
The design is particularly suitable for:
- Sulfuric acid transfer
- Nitric acid circulation
- Sodium hydroxide systems
- Acidic wastewater handling
- Corrosive chemical circulation liquids
Open Impeller Design
Depending on operating conditions, the pump is equipped with an open or semi-open impeller structure. Compared with closed impellers, this design provides better passage capacity for liquids containing suspended solids, sludge, short fibers, or abrasive particles.
The open impeller structure helps reduce blockage risk and improves operational stability in wastewater and slurry handling applications. It is especially suitable for systems requiring continuous operation with particle-containing media.
Typical handled media include:
- Chemical sludge
- Industrial wastewater
- Neutralization tank liquids
- Electroplating wastewater
- Fine-particle slurry systems
This structure is widely used in chemical processing, environmental protection, metallurgy, and wastewater treatment industries where corrosion resistance and anti-clogging performance are important.
Vertical Submersible Pump Applications
FY Series vertical submersible pumps are widely used in corrosive liquid transfer, industrial wastewater handling, chemical circulation, and slurry transportation systems. Different material configurations and impeller structures allow the pump to operate reliably across multiple industrial processing environments.
Chemical Processing
Transfer of acids, alkalis, solvents, and corrosive chemical liquids in chemical production systems.
Wastewater Treatment
Suitable for industrial wastewater, acidic sewage, sludge circulation, and chemical dosing systems.
Pharmaceutical Industry
Used for hygienic and corrosion-resistant liquid transfer processes.
Metallurgy & Mining
Handles abrasive slurry, tailings, and metal-processing wastewater with high wear resistance.
Advantages of the Vertical Submersible Pump
Open Impeller
The open impeller structure is designed for liquids containing suspended solids, sludge, and short fibers. It improves passage capacity, reduces blockage risk, and maintains stable operation in wastewater and slurry transfer applications.
Stable Operation
A dynamically balanced impeller combined with a rigid shaft support structure helps reduce vibration and operating noise during continuous industrial operation.
Seal-Less Design
The submerged vertical design eliminates traditional mechanical seals, reducing leakage risk and minimizing maintenance requirements in corrosive chemical operating conditions.
High Efficiency
Optimized hydraulic design improves energy efficiency while maintaining reliable flow and head performance for chemical circulation, wastewater transfer, and industrial liquid handling systems.
Technical Specifications
| Item | Specification |
|---|---|
| Pump Type | Vertical Submersible Centrifugal Pump |
| Flow Capacity | 3.6–360 m³/h |
| Head Range | 16–40 m |
| Power Range | 1.5–22 kW |
| Speed | 1480 / 2900 rpm |
| Temperature | 0–105°C |
| Installation | Vertical Immersed Installation |
| Structure | Single Stage |
| Impeller Type | Open / Semi-Open |
| Seal Type | Seal-Less Design |
| Motor Protection | IP55 / IP65 Optional |
Available Material Configurations
| Material | Features | Suitable Media |
|---|---|---|
| SS304 | General corrosion resistance | Mild chemicals |
| SS316 / 316L | Better chloride resistance | Acid & alkali |
| Duplex 2205 | High strength & corrosion resistance | Chemical wastewater |
| Super Duplex 2507 | Extreme corrosion resistance | High chloride media |
| 904L | Excellent acid resistance | Sulfuric acid |
| CD4MCU | Abrasion & corrosion resistance | Slurry & abrasive liquids |
FY Series Pump Model Parameters
| Model | Flow (m³/h) | Head (m) | Motor Power (kW) |
|---|---|---|---|
| 25FY-41 | 3.6 | 41 | 4 |
| 40FY-40 | 7.2 | 40 | 4 |
| 50FY-25 | 14.4 | 25 | 3 |
| 65FY-40 | 28.8 | 39.5 | 7.5 |
| 80FY-38 | 54 | 38 | 15 |
| 100FY-37 | 100.8 | 36.3 | 18.5 |
| 150FY-35 | 190.8 | 34.7 | 30 |
| 200FY-34 | 360 | 33.5 | 55 |
Notes
The above shows a selection of our models. If you require other models or are unsure which material to choose, please feel free to contact our team. With over 20 years of manufacturing experience, we are here to provide you with a free, personalised consultation.
Email: [email protected]
WhatsApp: +86-13651913727
Advantages Compared with Horizontal Chemical Pumps
| Vertical Submersible Pump | Horizontal Centrifugal Pump |
|---|---|
| No priming required | Priming often required |
| Reduced cavitation risk | More sensitive to suction conditions |
| Smaller installation footprint | Larger floor space |
| Suitable for tank installation | Requires suction piping |
| Lower leakage risk | Mechanical seal wear common |
| Better for corrosive tanks | More piping complexity |
OEM & Customized Solutions
Changyu Pump provides:
- Custom immersion depth
- Explosion-proof motors
- High-temperature configurations
- Different flange standards
- Special alloy materials
- OEM branding support
Our engineering team can recommend the optimal configuration based on:
- Liquid composition
- Temperature
- Solid content
- Flow & head requirements
- Installation environment
Changyu Pump – FY Series Vertical Submersible Pump Manufacturer
Changyu Pump has over 20 years of OEM/ODM experience in chemical fluid handling equipment. We are ISO 9001 certified, CE compliant, and hold 25+ patented technologies.
As a professional Vertical Submersible Pump manufacturer, we focus on reliable solutions for corrosive acids, alkalis, wastewater, and slurry media used in chemical, metallurgy, mining, and environmental industries.
The FY Series vertical submersible pump features a seal-less vertical immersed design and corrosion-resistant materials such as SS304, SS316L, and duplex stainless steel. It operates directly in tanks, reducing cavitation risk and improving stability in continuous service.
We provide flexible configurations including open or semi-open impellers, different shaft lengths, and material options to match varying corrosion levels and process conditions.
FY pumps are widely used in chemical processing, wastewater treatment, and industrial circulation systems, ensuring stable operation with low maintenance cost and long service life.
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