Walchem Launches the EWP Series Metering Pump for Presicion Dosing
Holliston, MA – Oct 2025: Walchem and Iwaki announce the launch of the new EWP Series metering pumps. This series is built to deliver accurate and dependable chemical dosing for a wide range of industrial and water treatment uses. The EWP Series is developed with years of engineering experience from both teams. It offers high speed and high resolution performance along with a strong and reliable design. The pumps also provide easy control options that make them suitable for modern treatment systems.
Walchem Honored with Worcester Business Journal’s Product Design & Innovation Award
Holliston, MA – Oct 2025: Walchem and Iwaki announce the launch of the new EWP Series metering pumps. This series is built to deliver accurate and dependable chemical dosing for a wide range of industrial and water treatment uses. The EWP Series is developed with years of engineering experience from both teams. It offers high speed and high resolution performance along with a strong and reliable design. The pumps also provide easy control options that make them suitable for modern treatment systems.
Highlights of the New EWP Series
- The pump delivers smooth and steady chemical feed with high speed operation of up to 360 strokes each minute. This helps reduce pulsation and lowers wear on the diaphragm.
- It supports a wide range of flow and pressure needs. The pump can deliver up to 6.7 GPH or 25 liters per hour and can handle pressure up to 300 PSI or 20 bar. This makes it suitable for both simple and demanding dosing work.
- The mechanical design is strong and built for long service. Dual bearing support helps control movement and increases the life of the diaphragm even at higher operating speeds.
- The check valve system offers reliable performance. The guided ball design and tapered seats help the pump maintain prime and ensure smooth dosing even with chemicals that release gas.
- The series offers two control options:
- The pump housing is rated IP66. It protects the unit from dust and water and is well suited for tough industrial environments.
- Installation is easy. The removable base allows quick mounting on a wall or flat surface and makes service tasks simpler.
- The EWP Series comes with a full two-year warranty that covers the entire pump.
Designed for a Wide Range of Applications
The EWP Series supports industries such as:
- Industrial & municipal water treatment
- Cooling towers & boilers
- Chemical processing
- Agriculture & fertigation
- OEM equipment integration
- General chemical dosing systems
Its combination of speed, precision, and durability makes it a strong choice for operators seeking dependable dosing performance with minimal maintenance.
Availability
The new Walchem EWP Series is now available through Walchem’s global distributor network. Detailed specifications, brochures and installation resources are available on the official product page.
About Walchem & Iwaki America:
Walchem, a brand of Iwaki America Inc., delivers industry-leading chemical metering pumps, sensors, and controllers for water treatment and industrial processes. Together with Iwaki’s global fluid-handling expertise, Walchem continues to innovate technologies that improve reliability, efficiency and overall process control.
For more information, visit walchem.com.