Energy is the biggest cost driver in any seawater reverse osmosis (SWRO) desalination process. The Flowserve FLEX™ pressure exchanger, an isobaric energy recovery device, is the most efficient device of its type. Capable of recovering more than 98% of hydraulic energy, it drives down the cost of desalination by substantially reducing operating costs and capital expenditures.
Meets the rigorous NSF/ANSI/CAN 61 standard for drinking water applications, ensuring safe and high-quality water performance.
The Saptora FLEX Pressure Exchanger recovers over 98% of the hydraulic energy from the brine stream, dramatically lowering overall plant operating costs. It enables a reduction of up to 60% in high-pressure pump capacity, resulting in substantial capital savings.
With just four major internal components, the FLEX energy recovery device ensures maximum reliability and uptime with minimal maintenance requirements. A built-in sight glass allows for easy visual inspection and manual speed checks.
Mixing is a critical performance factor in isobaric devices. The Saptora FLEX features an extremely low mixing rate, ensuring lower membrane feed salinity — and thus reduced power consumption for both high-pressure and ERD booster pumps.
An axle-guided rotor design minimizes lubrication flow requirements compared to other pressure exchangers, further contributing to the device’s industry-leading efficiency.
The FLEX delivers the highest unit capacity of any pressure exchanger on the market. This means fewer units are required to meet plant flow demands — resulting in a smaller overall footprint and lower installation complexity.
Featuring the smallest footprint in its class, the FLEX uses simplified headers and fewer couplings for easy installation and lower associated costs. Its lightweight and compact design makes it the most space-efficient pressure exchanger available.
The Saptora FLEX is designed as a drop-in replacement for existing isobaric energy recovery devices, making upgrades simple and cost-effective.
Size Range: 150 and 200 mm (6 and 8 in.)
Materials: Titanium and Ceramic
Energy Recovery Device Video
Saptora delivers advanced flow control solutions designed to enhance efficiency, reliability, and safety across industries. Our products and services help optimize performance and reduce operational costs for customers worldwide.
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