Zhengzhou Shenlong Pump Industry CO.,Ltd
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 10000 pieces per month |
| Delivery Time | 2-5 working days |
| Packaging Details | Deep well submersible pump is packed with wooden case or 20 inch container. |
| Flow | 15 m3/h-2500 m3/h |
| Head | 25-700m |
| Pump size | 7 8 10 12 14 inch submersible well pump |
| Power | 15hp 20hp 30hp 40hp submersible water pump |
| Voltage | 380v 420v 660v or as per request |
| Frequency | 3 phase 60hz/50hz |
| Material | Cast iron/SS304/SS316/SS316L/Duplex stainless/SS904 |
| Install | Vertical |
| Quality warranty | One year or more |
| Brand Name | SLAPK |
| Model Number | QJH |
| Certification | ISO9001;ISO4001;ISO18001;CE,BV; TUV; SABER |
| Place of Origin | Henan, China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 10000 pieces per month |
| Delivery Time | 2-5 working days | Packaging Details | Deep well submersible pump is packed with wooden case or 20 inch container. |
| Flow | 15 m3/h-2500 m3/h | Head | 25-700m |
| Pump size | 7 8 10 12 14 inch submersible well pump | Power | 15hp 20hp 30hp 40hp submersible water pump |
| Voltage | 380v 420v 660v or as per request | Frequency | 3 phase 60hz/50hz |
| Material | Cast iron/SS304/SS316/SS316L/Duplex stainless/SS904 | Install | Vertical |
| Quality warranty | One year or more | Brand Name | SLAPK |
| Model Number | QJH | Certification | ISO9001;ISO4001;ISO18001;CE,BV; TUV; SABER |
| Place of Origin | Henan, China | ||
| High Light | stainless steel submersible seawater pump ，400QJ500 submersible pump ，seawater submersible pump with warranty | ||
The 400QJ500-20/1 Stainless Steel Seawater Submersible Pump is a high-flow, corrosion-resistant pumping solution specially designed for seawater desalination and marine water transfer applications. Equipped with an 8-inch outlet, this pump delivers stable large-capacity water supply for desalination plants, offshore platforms, coastal engineering projects, and industrial seawater circulation systems.
Manufactured with high-quality stainless steel materials, the pump offers excellent resistance to saltwater corrosion, ensuring long-term reliable operation in harsh marine environments. Its compact submersible structure saves installation space while reducing noise and maintenance costs.
Made of premium stainless steel materials suitable for seawater environments, effectively resisting chloride corrosion and extending service life.
Model 400QJ500-20/1 provides large water flow output, ideal for seawater desalination pretreatment and large-scale water transfer systems.
Optimized hydraulic design improves pump efficiency, reduces energy consumption, and lowers long-term operating costs.
Designed for continuous-duty industrial applications with low vibration and reliable performance under demanding conditions.
The motor and pump are integrated into a submerged structure, saving installation space and simplifying system layout.
Advanced sealing technology and durable construction reduce maintenance frequency and downtime.
| Item | Specification |
|---|---|
| Product Model | 400QJ500-20/1 |
| Pump Type | Stainless Steel Seawater Submersible Pump |
| Outlet Size | 8 Inch |
| Application | Seawater Desalination |
| Installation Type | Vertical Submersible |
| Material Options | SS304 / SS316 / SS316L / Duplex Stainless Steel |
| Cooling Method | Water-filled Motor |
| Frequency | 50Hz / 60Hz |
| Voltage | Customizable |
| Motor Protection | IP68 |
| Insulation Class | F |
The 400QJ seawater submersible pump is widely used in:
In seawater desalination projects, stable water intake directly affects the efficiency of the entire system. The 400QJ500-20/1 pump is engineered to provide:
Its stainless steel structure ensures safe and efficient operation even in highly corrosive marine environments.
We provide customized solutions based on project requirements:
Each seawater submersible pump undergoes strict testing before delivery, including:
Our professional testing center ensures every pump meets international quality standards.
For standard seawater environments, SS316 or SS316L is recommended. For highly corrosive conditions, duplex stainless steel is available.
Yes. The 400QJ500-20/1 is specially designed for seawater desalination and marine water transfer systems.
Yes. We can customize voltage and frequency according to your local standards and project requirements.
Yes. We can supply matching control panels, soft starters, and VFD systems.
Yes. OEM and private label manufacturing services are available.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
20000000-35000000
Employee Number:
301~500
Ecer Certification：
Verified Supplier
Zhengzhou Shenlong Pump Industry CO.,Ltd, a professional reputable ODM OEM water pump manufacturer in China since 1996, recognized by CE and ISO, ABS, SGS, BV. Main products: Electric Submersible Pump for pumping clean water, hot w... Zhengzhou Shenlong Pump Industry CO.,Ltd, a professional reputable ODM OEM water pump manufacturer in China since 1996, recognized by CE and ISO, ABS, SGS, BV. Main products: Electric Submersible Pump for pumping clean water, hot w...
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