Metering Pumps
Iwaki offers a wide range of chemical metering pumps to satisfy a variety of chemical feed requirements. Iwaki strives to continuously design and manufacture high-quality chemical dosing pumps for diverse dosing applications across industries. The quality and performance of our precision metering pumps has been acknowledged for over 50 years. Mechanically-driven diaphragm metering pumps are available for general purpose applications; electromagnetic metering pumps with excellent controllability and accuracy fit smaller applications. Iwaki America’s chemical metering pumps are ideal for all of your chemical dosing applications. From micro-dosing to 856 gallons per hour, Iwaki America offers a broad range of chemical dosing pumps for your application.

IX Series
80 GPH / 250 PSI / 140 SPMIX Series
Max. Capacity: 80 GPH
Max. Pressure: 250 PSI
Strokes per minute: 140 SPM

LKN Series
114 GPH / 225 PSI / 116 SPMLKN Series
Max. Capacity: 114 GPH
Max. Pressure: 225 PSI
Strokes per minute: 116 SPM

LK Series
856 GPH / 145 PSI / 116 SPMLK Series
Max. Capacity: 856 GPH
Max. Pressure: 145 PSI
Strokes per minute: 116 SPM

EJ Series
3.2 GPH / 175 PSI / 360 SPMEJ Series
Max. Capacity: 3.2 GPH
Max. Pressure: 175 PSI
Strokes per minute: 360 SPM

EZ Series
6.3 GPH / 150 PSI / 360 SPMEZ Series
Max. Capacity: 6.3 GPH
Max. Pressure: 150 PSI
Strokes per minute: 360 SPM

EHE Series
20.0 GPH / 150 PSI / 360 SPMEHE Series
Max. Capacity: 20.0 GPH
Max. Pressure: 150 PSI
Strokes per minute: 360 SPM

EWN Series
6.7 GPH / 290 PSI / 360 SPMEWN Series
Max. Capacity: 6.7 GPH
Max. Pressure: 290 PSI
Strokes per minute: 360 SPM

High Viscosity
4.0 GPH / 73 PSI / 240 SPMHigh Viscosity
Max. Capacity: 4.0 GPH
Max. Pressure: 73 PSI
Strokes per minute: 240 SPM

HRP Series
38 mL/min / 29 PSI / 720 SPMHRP Series
Max. Capacity: 38 mL/min
Max. Pressure: 29 PSI
Strokes per minute: 720 SPM
Types of Metering Pumps We Offer
Here are the types of chemical metering pump series we offer.
- IX Series: Can achieve a maximum capacity of 80 GPH and a pressure of 250 PSI. Suited for automated transfer and delivery of chemicals across industries.
- LKN Series: Can achieve a maximum capacity of 114 GPH (432 l/h) and a pressure of 225 PSI (1.5 MPa). Suited for chemical feed applications in agriculture and wastewater.
- LK Series: Can achieve a maximum capacity of 856 GPH (3240 l/h) and a maximum pressure of 220 PSI (1.5 MPa). Suited for large chemical feed applications across water treatment, agriculture, mining, and paper.
- EJ Series: Can achieve a maximum capacity of 3.2 GPH (12.0 LPH) and a maximum pressure of 175 PSI (1.2 MPa). Ensures providing high resolution chemical feed and high turndown capability.
- EZ Series: Can achieve a maximum capacity of 6.3 GPH and a maximum pressure of 150 PSI. Ideal for water treatment and OEM applications.
- EHE Series: Can achieve a maximum capacity of 20 GPH and a maximum pressure of 150 PSI. Performance of these chemical metering pumps combined with turndown ratio makes them the workhorse of the E-series metering pumps and makes them suited for a wide range of water treatment applications.
- EWN Series: Can achieve a maximum capacity of 6.7 GPH and a maximum pressure of 290 PSI. Possess high-speed dosing abilities.
- High Viscosity Pumps: Can achieve a maximum capacity of 4.0 GPH and a maximum pressure of 73 PSI. Suited for highly viscous fluids or chemicals.
- HRP Series: Can achieve a maximum capacity of 38 mL/min and maximum pressure of 29 PSI. Possess an adaptable modular design that makes them suitable for mounting in multiple locations.
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