The PX Q400 is a high capacity pressure exchanger, offering best-in-class performance from our trusted PX® Pressure Exchanger® technology with up to 98% efficiency. Thanks to its high performance, the PX Q400 delivers significant energy and cost savings, offering a low projected life cycle cost for seawater reverse osmosis (SWRO) desalination and wastewater treatment.

At a Glance

Highly efficient

Up to 98% peak efficiency

Low mixing

<3% volumetric mixing resulting in higher system performance

High capacity

Flow capacity up to 400 gpm (90.8 m3/h)

Low life cycle cost

Offers low projected life cycle cost

Constructed from corrosion-resistant ceramic and designed with only one moving part, the PX Q400 is reliable, easy to use, highly durable, and ideal for harsh environments. These ceramic components are machined in-house using our vertically integrated and highly specialized manufacturing processes, which create precision down to the micrometer level and a consistently high-performing product trusted worldwide.

The PX Q400 supports a 30-year design life with no scheduled maintenance, leading to incredibly low life cycle costs and high uptime. Its flexible design and simple installation make it easy to incorporate into new facilities or retrofits.

Resources

PX Q400 Brochure Cover

Brochure / Desalination / Wastewater

PX Q400

View All Resources

Upcoming Events

Interested in Meeting Us?

All Events

Check out the latest information on upcoming conferences, webinars, meetings, and other events that we’re involved with.

All Events

Wastewater / Desalination

IE Expo 2026

Shanghai, China

Energy Recovery will be at IE Expo China, Asia’s leading trade fair for environmental technology solutions...

Related Industries

Building a more sustainable future where energy efficiency drives operational profitability.