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​Marine Stainless Steel Cooling Water Pump

Date:2026-01-12Views:

Marine Stainless Steel Cooling Water Pump

I. Product Overview

The marine stainless steel cooling water pump is a core key equipment of the ship's power cooling system. It is specially designed for the cooling water circulation and transportation conditions of components such as the ship's main engine, auxiliary engine, precision navigation equipment, and engine room central air conditioning. Its core working principle is to transfer kinetic energy to the cooling water through the high-speed rotating impeller, forming stable pressure to realize the suction, pressure boosting and circulation transportation of cooling water. Relying on the excellent corrosion resistance, high temperature resistance and structural rigidity of stainless steel materials, it can accurately adapt to the complex marine working conditions of ships with high salt spray, high humidity and large temperature difference fluctuations, and stably transport various types of ship cooling fresh water.

The product strictly complies with international and domestic standards such as the International Convention for the Safety of Life at Sea (SOLAS), IMO Marine Machinery Equipment Rules, and GB/T 10832-2011 *Marine Pumps*. It has obtained certifications from mainstream classification societies such as CCS, ABS, BV, and LR, and is widely used in 500-200000 ton-class ocean-going cargo ships, LNG carriers, luxury ro-ro passenger ships, special chemical tankers, and offshore engineering platforms. It is the "Cooling Guardian" that ensures that ship power components do not overheat and precision equipment operates stably.

II. Core Parameters

Parameter Category

Specific Specification/Range

Adaptation Description

Flow Range

10-300 m³/h, supporting graded customization

Meets the cooling water demand of different equipment on small to ultra-large ships

Head Range

10-80 m

Suitable for circulating transportation of multi-layer engine rooms and long-distance cooling pipelines

Pressure Range

Rated 0.3-2.0 MPa, Maximum 2.5 MPa

Ensures stable cooling water circulation pressure and meets high-pressure cooling requirements

Material Specification

Pump body/Impeller: 304/316L stainless steel; Transmission shaft: Reinforced stainless steel; Seal: High-temperature resistant fluororubber

Corrosion and salt spray resistant, high temperature resistant, suitable for harsh marine environment and high-temperature cooling water

Applicable Medium

Cooling fresh water, temperature 0℃~95℃, impurity content ≤0.1% (particle size ≤0.5mm)

Suitable for ship cylinder liner cooling water, equipment circulating cooling water and other media

Operating Performance

Volumetric efficiency ≥90%, Noise ≤72 dB(A), Continuous operation life ≥12000h

Supports 24-hour uninterrupted circulation, adapting to the continuous operation needs of the ship's power system

III. Core Advantages

Super Strong Corrosion and High Temperature Resistance: Adopts 304/316L stainless steel integral molding process, which can effectively resist the erosion of high salt spray and high humidity in the marine environment, and is not easy to rust and scale. It can withstand the long-term scouring of high-temperature cooling water at 95℃, and the service life is more than 100% longer than that of cast iron cooling water pumps.

Efficient and Stable Cooling: The impeller is optimized by fluid mechanics design, with no pulsation during operation, constant flow and pressure. It ensures uniform distribution of cooling water at each cooling point, quickly takes away equipment heat, avoids local overheating damage of components, and improves the operational stability of the ship's power system.

IV. Typical Application Scenarios

Circulating Cooling Water for Ship Main Engine/Auxiliary Engine Cylinder Liners: Transports circulating cooling water for core heating components such as main engine, auxiliary engine cylinder liners and pistons, quickly dissipates heat generated by combustion and operation, and ensures long-term stable operation of the main engine/auxiliary engine.

Precision Equipment Cooling System: Transports clean and stable cooling water for precision electronic equipment such as LNG carrier control systems, navigation equipment and radars, avoids equipment failures caused by high temperature, and ensures ship navigation safety.

Engine Room Central Air Conditioning Cooling: As the core transportation equipment of the ship's central air conditioning chiller unit, it realizes cooling water circulation, provides stable refrigeration guarantee for the engine room and passenger cabin, and improves the comfort of crew and passengers.

Offshore Engineering Platform Equipment Cooling: Transports cooling water for power equipment and power generation equipment of offshore drilling platforms and wind power platforms, adapts to the harsh environment of high salt spray and strong wind waves on the platform, and ensures uninterrupted platform operations.

 


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