Zhengzhou Shenlong Pump Industry CO.,Ltd
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 8578 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 | QJ |
| Certification | ISO9001;ISO4001;ISO18001;CE,BV; TUV; SABER |
| Place of Origin | Henan, China |
View Detail Information
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 8578 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 | QJ | Certification | ISO9001;ISO4001;ISO18001;CE,BV; TUV; SABER |
| Place of Origin | Henan, China | ||
| High Light | 316L stainless steel submersible pump ，seawater submersible pump for offshore ，water intake submersible seawater pump | ||
316L Stainless Steel Submersible Seawater Pump for Offshore Water Intakede
Product Overview
This 316L stainless steel submersible seawater pump is engineered for continuous seawater intake and transfer in offshore and coastal environments.
The pump adopts a corrosion-resistant hydraulic structure and a reinforced motor sealing system, ensuring stable long-term operation under high salinity and chloride conditions.
Designed for engineering projects where downtime is not acceptable, this model focuses on durability rather than low-cost compromise.
Typical Applications
Offshore seawater intake systems
Desalination pretreatment plants
Coastal industrial cooling water supply
Marine service water circulation
Technical Parameters
Flow Range: 15–2500m³/h
Head Range: 25–700m
Material: 316L Stainless Steel (Pump Body & Impeller)
Voltage: 380V / 440V / Custom
Seal Type: Double mechanical seal (SiC + Carbon)
Max Immersion Depth: 700m
Submersible well pump parameters:
| Pump diameter | Model | Flow Range | Head Range | Power |
| Inch (") | QJ Series | m3/h | m | kw |
| 7" | 175QJ | 9-54m3/h | 19-265m | 2.2-37kw |
| 8" | 200QJ | 13-120m3/h | 12-465m | 2.2-45kw |
| 10" | 250QJ | 46-214m3/h | 16-430m | 5.5-125kw |
| 12" | 300QJ | 186-540m3/h | 14-138m | 18.5-220kw |
| 14" | 350QJ | 233-335m3/h | 18-130m | 30-185kw |
| 16" | 400QJ | 388-540m3/h | 18- 83m | 45-185kw |
| 20" | 500QJ | 600-680m3/h | 26-86m | 90-260kw |
| 24" | 600QJ | 750-1200m3/h | 18-77m | 110-300kw |
FAQ
Q1: Can this pump operate directly in seawater without coating?
Yes. All parts in contact with seawater are made of 316L stainless steel, suitable for direct contact with seawater.
Q2: Is it suitable for continuous 24/7 operation?
Yes. The motor cooling and seal system are designed for long-duration continuous duty.
Q3: Can you provide material certificates?
Yes. Mill test certificates and performance test reports are available.
Contact Us
Contact us now for pump selection drawings, performance curves, and quotation.
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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