Walchem
Water treatment metering pumps and controllers — EZ, EWP-L, and EHE Series pumps, plus Intuition-9, W600, and W100 Series controllers, carried through Becker Engineered Systems.
Walchem is a brand designed, manufactured, and distributed by Iwaki America. It makes water treatment metering pumps (EZ, EWP-L, and EHE Series) and controllers (Intuition-9, W600, and W100). The EWP-L is IP66 rated at up to 6.7 GPH and 300 PSI. The Intuition-9 has universal sensor input. LibertyCES carries Walchem through Becker Engineered Systems.
What LibertyCES specifies from Walchem
EWP-L Series is IP66 rated with a compact housing, flow up to 6.7 GPH (25 l/h) and pressure up to 300 PSI (20 bar) — the current-generation pump line in Walchem's E-Class metering family alongside the EZ and EHE Series.
Intuition-9 offers universal sensor input for water treatment control; W600 is built for cooling tower control applications.
Walchem — Real Catalog Spec Data
| Product Line | Model | Category | Key Feature | Application |
|---|---|---|---|---|
| EZ Series Metering Pump | EZ Series | Metering Pump | - | - |
| EWP-L Series Metering Pump | EWP-L Series | Metering Pump | IP66 rated compact housing | Flow up to 6.7 GPH (25 l/h); pressure up to 300 PSI (20 bar) |
| EHE Series Metering Pump | EHE Series | Metering Pump | - | - |
| Intuition-9 Series Controller | Intuition-9 Series | Controls | - | - |
| W600 Series Controller | W600 Series | Controls | - | Cooling tower control application |
| W100 Series Controller | W100 Series | Controls | - | - |
Sourced from Walchem's own catalog documentation.
Related Manufacturers & Guides
Frequently Asked Questions
Is Walchem the same company as Iwaki America?
Walchem is a brand designed, manufactured, and distributed by Iwaki America — Iwaki America Corporation grew out of a long-standing partnership between Walchem Corporation and Iwaki Co., Ltd. of Japan, combining Walchem's chemical injection and control expertise with Iwaki's pump engineering. In LibertyCES's catalog, Walchem-branded products like the EZ, EWP-L, and EHE Series metering pumps and the Intuition-9, W600, and W100 controllers are listed as their own manufacturer entry, distributed through Becker Engineered Systems.
What is the difference between the EWP-L and EZ Series metering pumps?
The EWP-L Series is the current compact, IP66-rated pump in Walchem's E-Class line, rated to 6.7 GPH (25 l/h) and 300 PSI (20 bar) — it is positioned in the same product family as the EZ and EHE Series, which cover different flow/pressure and control-configuration points within Walchem's metering pump lineup.
What is the Intuition-9 controller used for?
The Intuition-9 is a water treatment controller with universal sensor input and four I/O slots, used for applications like cooling tower and boiler water treatment, chlorine dioxide dosing control, and chemical inventory management — with standard Ethernet for remote access to programming.
Get the right Walchem pump or controller for your water treatment system
Ready to buy or need a fast answer? Call, text, or email James directly — (559) 395-5500 · [email protected].
Walchem models in the LibertyCES catalog
6 models across 6 product lines.
| Model / line | Type | Size / capacity / flow | Pressure | Temperature | Wetted material | Source |
|---|---|---|---|---|---|---|
| EZ Series Metering Pump EZ Series | Metering Pump | n/a | n/a | Becker Engineered Systems | ||
| EWP-L Series Metering Pump EWP-L Series | Metering Pump | 0.1 gpm | 300 psi (20.7 bar) | IP66 rated compact housing | Becker Engineered Systems | |
| Intuition-9 Series Controller Intuition-9 Series | Controls | n/a | n/a | Becker Engineered Systems | ||
| W600 Series Controller W600 Series | Controls | cooling tower control application | n/a | Becker Engineered Systems | ||
| W100 Series Controller W100 Series | Controls | n/a | n/a | Becker Engineered Systems | ||
| EHE Series Metering Pump EHE Series | Metering Pump | n/a | n/a | Becker Engineered Systems |
This table is part of the equipment catalog dataset (CSV and JSON).
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated