300QJH300-62/2-75KW Stainless Steel Submersible Pump
The 300QJH300-62/2-75KW Stainless Steel Submersible Pump is a heavy-duty deep well pump engineered for continuous water transfer in industrial, municipal, agricultural, and commercial applications. Featuring a corrosion-resistant stainless steel structure and an efficient multistage hydraulic design, this model provides stable performance, low energy consumption, and long service life even in demanding operating environments.
This pump is suitable for clean water, slightly corrosive water, mineral-rich groundwater, and seawater when equipped with the appropriate stainless steel material. Its high-capacity performance makes it an ideal solution for large-scale water supply systems, irrigation projects, mining operations, desalination plants, offshore platforms, and water treatment facilities.
Technical Specifications
| Model |
300QJH300-62/2-75KW |
| Flow Rate |
300 m³/h maximum |
| Total Head |
62 meters |
| Motor Power |
75kW submersible motor |
| Power Systems |
50Hz and 60Hz |
| Standard Voltages |
380V, 415V, 440V, 460V, 480V, 660V, 690V |
| Structure |
300mm diameter stainless steel |
| Motor Protection |
IP68 |
| Insulation |
Class F |
| Installation |
Vertical |
| Working Temperature |
Up to 35°C (higher temperature versions available) |
Key Features
- Excellent Corrosion Resistance - Manufactured with premium stainless steel materials including SS304, SS316, SS316L, Duplex 2205, and Super Duplex 2507
- High Hydraulic Efficiency - Optimized multistage impeller and diffuser design ensures stable pressure output and reduced energy consumption
- Long Service Life - Precision machining and dynamic balancing technology minimize vibration and wear
- Low Maintenance Cost - Water-lubricated bearing system and high-performance mechanical seals reduce maintenance requirements
- Continuous Heavy-Duty Operation - Designed for reliable performance in demanding industrial and municipal environments
Applications
- Deep well water extraction
- Municipal water supply systems
- Industrial process water circulation
- Agricultural irrigation projects
- Mining water transfer
- Offshore platforms
- Seawater intake systems
- Desalination plants
- Power stations
- Water treatment facilities
- Construction dewatering
- Pressure boosting systems
Material Options
- SS304 - Recommended for clean freshwater applications
- SS316 - Better resistance to mildly corrosive water
- SS316L - Ideal for chloride-containing water and industrial applications
- Duplex 2205 - Excellent strength and corrosion resistance for high-salinity environments
- Super Duplex 2507 - Preferred material for seawater, offshore platforms, and highly corrosive conditions
Product Advantages
Choosing the 300QJH300-62/2-75KW stainless steel submersible pump offers superior corrosion resistance, extended service life, stable water delivery with reduced electricity consumption, and compact vertical structure for convenient installation. OEM and customized manufacturing services are available.
Quality Assurance
Each pump undergoes comprehensive quality inspections including hydraulic performance testing, motor electrical testing, insulation resistance testing, pressure testing, vibration inspection, dynamic balancing, and final operational testing to ensure international quality standards.
Optional Accessories
- Stainless steel check valve
- Intelligent control cabinet
- Soft starter
- Variable Frequency Drive (VFD)
- Water level controller
- Pressure sensor
- Stainless steel lifting chain
- Waterproof power cable
- Cable joint kit
Frequently Asked Questions
Can this pump be used for seawater?
Yes. For seawater applications, we recommend selecting SS316L, Duplex 2205, or Super Duplex 2507, which provide excellent resistance to chloride corrosion and significantly extend service life.
What voltage options are available?
The pump supports standard international voltages including 380V, 415V, 440V, 460V, 480V, 660V, and 690V, with both 50Hz and 60Hz frequencies. Customized electrical configurations are also available.
Can the pump be customized?
Yes. We provide customized solutions based on project requirements, including material selection, motor voltage, frequency, cable length, flange standards, shaft material, mechanical seals, and control systems.
Which industries commonly use this model?
This model is widely used in municipal water supply, agriculture, mining, offshore engineering, desalination plants, industrial water systems, construction projects, and water treatment facilities.
How do you ensure product quality?
Every pump is individually tested before delivery to verify hydraulic performance, electrical safety, pressure resistance, vibration levels, and overall operating reliability.
Why Choose Us
With decades of experience in manufacturing submersible pumps, we provide reliable pumping solutions for customers in more than 100 countries. Our advantages include advanced manufacturing equipment, strict quality control, professional engineering support, OEM and ODM services, rapid delivery, comprehensive technical documentation, and responsive after-sales service.
Request a Quote
If you are looking for a reliable 300QJH300-62/2-75KW Stainless Steel Submersible Pump, our technical team is ready to assist. Please provide the following information when sending your inquiry:
- Required flow rate (m³/h)
- Required head (m)
- Voltage and frequency
- Water source
- Water quality
- Installation depth
- Preferred material
- Required quantity
We will provide a professional pump selection recommendation and detailed quotation within 24 hours.