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

Promotional flyer for the Energy Recovery PX Q400 pressure exchanger.

Brochure / Desalination / Wastewater

PX Q400

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Wastewater / Desalination

Aquatech Mexico 2026

Mexico City, Mexico

Aquatech Mexico is Latin America’s premier water technology trade show and this year marks its 10th...

Desalination / Wastewater

WETEX 2026

Dubai, UAE

The Water, Energy, Technology and Environment Exhibition (WETEX) is the region’s leading platform for...

Desalination / Wastewater

IDRA World Congress 2026

Riyadh, Saudi Arabia

The IDRA World Congress is the premier global event advancing innovation, technical development, and business...

Wastewater / Desalination

International Water Conference 2026

Orlando, Florida

The International Water Conference (IWC) is the preeminent international technical forum in the field of...

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