Cooling Tower Solutions
Metering pumps, controllers, and instruments for cooling tower chemical treatment — plus a chemical-free scale-prevention alternative — sourced to real vendor documentation, with Legionella risk named explicitly rather than treated as generic water quality.
Real Equipment for Every Link in the Treatment Loop
Becker Engineered Systems / Walchem — EWP-L Metering Pumps
IP66-rated compact metering pump, flow up to 6.7 GPH (25 l/h), pressure up to 300 PSI (20 bar) — Becker's current-generation E-Class pump, explicitly documented for cooling-tower chemical feed alongside the EZ and EHE Series.
ProMinent — DULCODOS Cooling Water
A dedicated named metering/dispensing system for cooling-water dosing, part of ProMinent's DULCODOS product family, alongside its Bello Zon chlorine dioxide systems that separately name industrial cooling tower water as a real application.
GF Signet — Flow Sensor
Cooling tower explicitly listed as an application sector for GF Signet's flow-sensor line, confirming makeup-water and recirculation-flow monitoring as a documented use case, not an assumed one.
Walchem — W600 Series Controller
Documented specifically for cooling tower control applications — pH/conductivity/biocide dosing control in one controller, part of the same Intuition-9 / W600 / W100 controller family Walchem builds for water treatment generally.
ProMinent — Cooling Tower Controller
ProMinent documents cooling tower control with Legionella risk named explicitly as an operator concern — not a generic water-quality footnote. Real 6-point monitoring: pH for corrosion/scaling control, biocide via ORP or amperometric chlorine specifically to prevent Legionella and biological fouling, conductivity for water-usage/scaling control, makeup-water-based evaporation tracking, chemical feed tied to makeup-water addition, and closed-loop pH/conductivity monitoring to detect heat-exchanger leakage.
Epiphene — CPH-16 Chemical-Free Silt Separator + Single Media Filter
Cooling tower and HVAC scale prevention is a named application. Removes the 0.1-10 micron "nucleation seed" particles that cause scale before they can nucleate, rather than chemically inhibiting crystal growth — a physical alternative or complement to chemical treatment, with a stackable single-media filter (to 5 micron) for polishing downstream.
This page covers the chemical-treatment product chain. For choosing between hydrocyclone separation, bag/cartridge filtration, sand/multimedia filtration, and automatic screen filters based on measured solids, see the dedicated guide.
Cooling Water Filtration & Hydrocyclones →Frequently Asked Questions
Why does Legionella risk matter for cooling tower equipment selection, not just water treatment chemistry?
ProMinent documents Legionella control as a real, named operator concern in cooling tower service — driven by biocide dosing accuracy (via ORP control or amperometric chlorine monitoring) and reliable pH/conductivity control, not chemistry alone. That makes the controller and dosing equipment part of the Legionella-risk answer, not just the treatment program.
What is the dose-sense-control-separate chain for cooling tower water treatment?
Metering pumps (Walchem EWP-L, ProMinent DULCODOS) dose treatment chemical; flow and pH/ORP/conductivity instruments (GF Signet, ProMinent DULCOTEST) sense loop conditions; a controller (Walchem W600, ProMinent cooling tower controllers) closes the loop between sensing and dosing; and separation equipment (Epiphene CPH-16) removes the solids that drive scale and fouling independent of the chemical program.
Is Epiphene's chemical-free silt separation a replacement for chemical water treatment, or a complement to it?
A complement in most documented cases. Epiphene's own stated benefit is that removing the nucleation-seed particles reduces required biocide and dispersant chemical dosing and enables higher cycles of concentration — it changes the dosing math for the chemical program rather than eliminating the need for a controller, biocide, or corrosion inhibitor.
How does this page differ from LibertyCES's municipal water cooling-tower content?
The municipal/public water page routes cooling-tower customers to chlorine dioxide generation and cooling water filtration technology selection at the hub level. This page goes deeper into the specific chemical-treatment product chain — the named metering pumps, controllers, and instruments vendors document for cooling tower dosing and control, plus the chemical-free separation alternative.
Specifying equipment for aggressive chemistry?
Send LibertyCES the chemical, concentration, temperature, and flow — we'll confirm the material compatibility before you spec a model.
Ready to buy or need a fast answer? Call, text, or email James directly — (559) 395-5500 · [email protected].