12" Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump

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Model No.: 300QJ/H
Pump Shaft Position: Vertical
Pump Casing Type: Submersible
Mounting Type: Suction Centrifugal
Impeller Type: Closed
Usage: Water Pump
Well Diameter: ≥12"
Shipping Package: Export Wooden Case or Carton
Origin: China
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Application of Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump 12"
This pump is ideal for offshore platform fire suppression, thermal cooling, seawater desalination, water lifting, coastal fountains, aquaculture, and ground source heat pump systems in coastal areas.

Technical Parameters of Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump 12"
- Outlet Diameter: 200mm (8")
- Bolt Quantity: 12 pieces, type 16×60 (8.8), bolt center distance: 256mm
- A matching flange is included (outer diameter 282mm, inner diameter 220mm, thickness 20mm) for easier installation.

Medium Range of Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump 12"
- Suitable for seawater, alkaline corrosive water, clean water, cold water, rainwater, mining water, and drinking water.
- Operating temperature range: +5°C to +100°C
- Solid content (mass ratio): ≤0.01%
- Must be fully submerged in water in a vertical position during operation.
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Motor Specifications of Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump 12"
- The motor is lubricated by clean water and must be filled before use; otherwise, its lifespan will be significantly reduced.
- Motor protection rating: IPX8

Power Supply of Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump 12"
- Rated Voltage: 380V / 415V / 460V / 6kV / 10kV
- Frequency: 50Hz / 60Hz
- Custom voltage or frequency options are available upon request.

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Materials Used in Vertical Multistage Stainless Steel Sea Water Submersible Electric Pump 12"
- Impeller: Bronze, SS304, SS316, SS316L
- Pump Bowl: Bronze, SS304, SS316, SS316L
- Pump Shaft: Cold-drawn steel with chrome plating, or stainless steel 2Cr13 (heat-treated at 1050°C to enhance torsional strength)
- Motor Seal: Rubber O-ring or mechanical seal
- Motor Regulating Sleeve: Rubber

Advantages of Sea Water Submersible Pump for Offshore Rig Cooling System 10"
- Easy to install
- Low noise and multi-stage design
- Built-in check valve to prevent water hammer damage
- High head capacity with strong stability, shaft diameter φ28mm, enhancing torsional performance
- Bearings made of natural rubber and imported hard bearing liners for better wear resistance

Supply Scope
- Submersible pump unit (including body and motor)
- Built-in check valve
- One matching flange for outlet
- 8 bolts M12×55
- Maintenance manual, conformity certificate, packing list, and external packaging

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Friendly Reminder:
To ensure convenience and product quality, all related components are manufactured in-house. Here's what we offer:
1. Various lifting pipes including high-frequency welded pipes (diameter 25mm–500mm) with flange, screw, or clamp connections
2. Pipe clamps (length 50mm–500mm), customizable according to your needs
3. Wellhead devices, such as return flow instruments for ground source heat pumps and innovative pump seats made from steel plate welding
4. Desanders to prevent sand blockage and extend service life
5. Additional products like submersible cables, starting cabinets, frequency converters, transformers, and power generators
6. Design proposals for piping networks, tanks, and installations based on site conditions

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