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Used water treatment equipment for sale – cost-effective systems for process purification and wastewater management

IPP stocks used, secondhand, and surplus water treatment equipment for industrial and municipal applications

Treat smarter with ready-to-ship water treatment systems from IPP’s global inventory

Featured Water Treatment

Water Treatment System Pentair 48ES

Type: Water Treatment

Manufacturer: Pentair

Model: 48ES

Condition: Used

Material: Carbon Steel

Water Treatment Type: Water Softener/Water Conditioning

Pressure: 8.6 bar (125 psi)

Water Softner

Controls: Yes. System: Yes.

Water Treatment Stilmas MS3005HPS Stainless Steel 316

Type: Water Treatment

Manufacturer: Stilmas

Model: MS3005HPS

Condition: Used

Material: Stainless Steel 316

Water Treatment Type: Multiple effect distillation, Water for Injection

Flow Rate: 6,600 L/h (29 GPM)

multi-effect WFI water distillation unit. All sanitary construction Unit has 5 distillation columns, all national board rated, 145 psi @ 14 to 362 degrees f in the shell; 145 psi @ 14 to 362 degrees f in the tubes. circulation pumps

Temperature: 183.4 °C (362.2 °F). Pressure: 10 bar (145 psi). Controls: Yes. Multi Stage: Yes.

Stainless Steel 316L Aquafine CSL-12R Water Treatment

Type: Water Treatment

Manufacturer: Aquafine

Model: CSL-12R

Condition: Used

Material: Stainless Steel 316L

Water Treatment Type: Ultraviolet

Flow Rate: 35,450 L/h (156 GPM)

130 (@ 94% UVT) GPM Ultraviolet Water Purifier One piece compact design including UV treatment and electrical cabinet. 304SS control cabinet Rated 130 GPM @ 94% disinfection or 156 GPM @ 99% disinfection. 120 psi max. operating pressure. 50°F - 100°F operating temperature. 3" inlets/outlets with optional sanitary fittings. drain and sample port. (Lamps not included).

Temperature: 37.8 °C (100 °F). Pressure: 8.3 bar (120 psi). Controls: Yes. Control Details: NEMA 1.

Yardney IL3624-2A Water Treatment

Type: Water Treatment

Manufacturer: Yardney

Model: IL3624-2A

Condition: Used

Water Treatment Type: In-Line Sand Media Filter/Water Management System

Flow Rate: 48,400 L/h (213 GPM)

In Line Sand Media Filter

Pressure: 6.9 bar (100 psi). Controls: Yes. System: Yes.

Used water treatment equipment is critical to plant performance, environmental compliance, and process integrity. Whether you’re handling influent filtration, process water recovery, or wastewater discharge, IPP offers surplus and secondhand water treatment systems that are professionally inspected and available immediately from 20 global plant sites. With more than 47 years of industry leadership, IPP is the world’s largest supplier of used process plants and equipment, with 15,000+ systems ready to ship.

IPP’s inventory includes clarifiers, sand filters, carbon beds, reverse osmosis systems, deionizers, neutralization systems, sludge handling units, and chemical dosing skids. Top manufacturers include Evoqua, USFilter, Pall, Siemens, and Veolia.

Industries and applications

Processes and water types handled

Common materials of construction

Key features of used water treatment equipment

Learn more about how industrial water treatment supports compliance and cost control via Water Technology.

Find your water treatment equipment at IPP

Water Treatment FAQ
Have questions about Water Treatment or our services? Learn more about our products and why customers choose IPP.
IPP carries sand filters, carbon beds, RO systems, neutralization tanks, deionizers, clarifiers, and more.
Yes. IPP offers sanitary-grade systems and ultrapure water equipment for validated processing environments.
Absolutely. IPP stocks plug-and-play water treatment skids for quick installation and integration.
You save time, reduce capital costs, and access proven equipment that meets process and regulatory needs.