[Disaster Water Supply Measures / Water Purification Device] Pump Drive Motor #Water Purification

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CMH Series

last updated：Oct 10, 2026

CLUW Inc.

Water that protects life. Motors that support high-pressure pumps for disaster water purifiers and seawater desalination devices. We respond with overwhelming low costs starting from dozens of small lots.

No matter how advanced technology becomes, human life cannot be sustained without water. During recent long-term water outages caused by natural disasters, disaster-use RO water purifiers played a significant role in securing water for daily use from river water and rainwater. Furthermore, in the future, the importance of seawater desalination devices, which purify seawater as the ultimate water source, is also increasing. However, filtering seawater through fine RO (reverse osmosis) membranes requires powerful pumps that can exert very high pressure to push the water through, and there are many technical challenges associated with development, such as salt damage prevention and power consumption issues. Our company is not a manufacturer of water purifiers themselves, but we provide the motors that drive high-pressure pumps and water supply pumps, which are the heart of these "water treatment devices that sustain life." We propose brushless motors and stepping motors that can reliably operate pumps even in harsh environments at an overwhelmingly low cost. We support the development of disaster response equipment from the ground up with thorough domestic inspections, starting from small-lot prototypes of several dozen units.

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basic information

■Challenges of Water Purification Devices (RO Purification and Seawater Desalination) and the Role of Motors - Disaster Relief Water Purifiers: Energy-efficient motors that can operate on emergency power sources (generators or batteries) are needed, along with compact and lightweight designs for portability. - Seawater Desalination Devices: High torque drive is required to push water through RO membranes at high pressure, as well as durability to withstand long hours of continuous operation. ■Features of Crew-Made Pump Motors - Brushless Motors: High efficiency and long lifespan, ideal for extended continuous liquid delivery. The compact design contributes to the portability of the device. - Stepper Motors: Capable of fine flow control, with various drivers available. - Quality Assurance: As these are disaster response devices that impact human lives, we conduct thorough domestic inspections on all units, from prototypes and small lots to mass production, ensuring reliable Japanese quality.

Price information

By leveraging our unique global procurement network (world-class ODM products), we significantly reduce the development and implementation costs of pumps. Even with small-scale production of several dozen units, we offer price advantages equivalent to mass production, minimizing initial investment and inventory risks for companies.

Delivery Time

Please contact us for details

Applications/Examples of results

To drive various water purification and treatment devices that serve as a lifeline during water outages: - High-pressure pump operation for portable disaster-use RO water purifiers that secure drinking water from river water and rainwater. - Delivery and pressurization pumps for small seawater desalination devices aimed at securing water sources in remote islands and coastal areas. - Operation of rainwater circulation systems and filtration devices for evacuation centers and hospitals. - Electrification of pumps for industrial pure water production systems and wastewater treatment systems within factories. We will never leave the engineers on the front lines, who are fighting to shape 'new water purification technologies' within limited budgets and deadlines, alone. We propose 'CLUE (clue to solutions)' to break through budget and quality barriers and will continue to be 'CREW (companions)' who overcome rough seas together. Product lineup: - Low-voltage brushless motors (including those with built-in drivers) - Stepper motors / stepper drivers - Brushed DC motors - Various motor drivers

Detailed information

Manufacturing Site 1
Manufacturing Site 2
Automatic winding machine 1
Automatic winding machine 2
Final assembly
Abnormal sound inspection
Pre-shipment inspection
2D design
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 gear head (square/round type, reduction ratio 1/3 to 1/1000) and an electromagnetic brake.