Explanation of the mechanism for preventing barnacle and shellfish attachment on seawater piping. High-output motors that can be considered for water intake pumps and automatic strainer drives.
In seawater cooling lines for power plants, chemical plants, shipbuilding and vessels, and coastal factories, the attachment and proliferation of marine organisms (mollusks) such as barnacles and purple sea urchins inside the piping can lead to significant problems, causing pipe blockages and reduced heat exchange efficiency. The "magnetic foreign matter attachment prevention device," which suppresses the attachment and adhesion of organisms through magnetic force without using chemical agents, is gaining popularity as a solution that dramatically reduces the maintenance effort for piping without imposing an environmental burden. To ensure the stable operation of such seawater intake and cooling systems, the presence of "intake pumps and circulation pumps" that continuously draw large amounts of seawater and "automatic cleaning strainers (valve and scraper mechanism)" that prevent clogging before the piping is essential. Our "low-voltage, high-output coreless motor (CMH series)" is a large-capacity motor with a Hall sensor, and it is a viable option as a robust drive shaft for various pumps and piping maintenance equipment used in such seawater environments.
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basic information
■ Key Points for Seawater Piping and Prevention of Marine Organism Adhesion - Reduction of Maintenance Work: By lowering the adhesion rate of organisms through magnetic treatment and other methods, we contribute to shortening the plant downtime due to cleaning and reducing running costs. - Resistance to Continuous Operation: In harsh environments affected by seawater and sea breezes, robust drive equipment capable of withstanding long hours of continuous operation is required. ■ Features of the CMH Series for Water Intake Equipment and Pump Drives - High Output and Heavy Load Capability: Despite being driven by low voltage (DC power), it delivers strong torque, effectively driving heavy loads such as circulation pumps for seawater, opening and closing large-diameter valves, and automatic cleaning mechanisms for strainers. - Long Lifespan and Brushless Structure: Utilizing hall sensor control without wear parts like brushes, it maintains high reliability and stable rotation even during continuous operation. - We conduct domestic inspections for all units, from prototypes to small lots, before delivery.
Price information
By utilizing our unique global procurement network (world-class ODM products), we significantly reduce the development and implementation costs of pumps. Even with small-scale production in the tens of units, we offer price advantages equivalent to mass production, minimizing initial investment and inventory risks for companies.
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Applications/Examples of results
【Examples of Applications for Seawater Equipment and Piping Maintenance Devices】 - Power for seawater cooling line intake and circulation pumps in coastal plants and ships - Drive shaft for automatic backwash strainers (scraper rotating parts) to prevent clogging of pipes - Actuators for large-diameter electric valves and dampers that switch the flow path of seawater lines - Travel and working axes of underwater robots for cleaning and maintenance of marine structures and the bottoms of ships 【CMH Series / Related Motor Lineup】 - Low voltage, high output coreless motors (CMH series): Brushless DC specifications with Hall sensors, designed for heavy loads and continuous operation - For valve equipment requiring higher precision positioning and control: Low voltage, high output coreless servo motors (CMS series / encoder-equipped specifications) - For integration into compact strainer mechanisms: Parallel geared motors (PGM series)
Detailed information
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Manufacturing Site 1
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Manufacturing Site 2
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Automatic winding machine 1
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Automatic winding machine 2
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Final assembly
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Abnormal sound inspection
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Pre-shipment inspection
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2D design
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3D design
Line up（7）
| Model number | overview |
|---|---|
| CMH42 Series | (Maximum output 20W to 50W) |
| CMH57 Series | (Maximum output 30W to 150W) |
| CMH86 Series | (Maximum output 90W to 750W) |
| CMH110 Series | (Maximum output 800W to 2000W) |
| CMH130 Series | (Maximum output 2500W to 4500W) |
| CMH180 Series | (Maximum output 5000W to 10,000W) |
| The entire series | Each model can be combined with a dedicated planetary gearhead (square/round type, reduction ratio 1/3 to 1/1000) and an electromagnetic brake. |
catalog（4）
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Company information
CLUW Inc. specializes in low-voltage battery-driven motors and control drivers, offering a comprehensive lineup from compact to high-power models. Our product range includes Brushless DC Motors, Battery-Driven AC Servo Motors, Geared Motors, In-Wheel Motors, and Cooling Fans. Beyond product supply, we deliver dedicated technical support—from driver selection and setup guidance to troubleshooting—ensuring seamless operational integration for our customers.
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