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Isobaric Energy Recovery Device-VOI-IERD-95184

Energy is the biggest cost driver in any seawater reverse osmosis (SWRO) desalination process. The Voltex VOI-IERD-95184 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.

Features and Benefits:

  • Best-in-class hydraulic efficiency – The Voltex VOI-IERD-95184 FLEX pressure exchanger recovers more than 98% of the hydraulic energy of the brine stream, substantially reducing overall plant operating costs. It also enables high-pressure pump capacity to be reduced by as much as 60%, leading to significant capital savings.
  • Simple design – With only four major internal parts, the simple design of the FLEX energy recovery device ensures high reliability and uptime with low operating and maintenance costs. A sight glass allows for easy visual inspection and manual speed measurements.
  • Extremely low mixing rate – Mixing is a key performance indicator for isobaric devices. The Voltex FLEX energy recovery device has an extremely low mixing rate, resulting in lower membrane feed salinity. The upside is lower high-pressure pump and ERD booster pump power consumption.
  • Minimal lubrication – The axle-guided rotor design significantly reduces lubrication flow requirements compared to other pressure exchangers, contributing to the unit’s industry- leading efficiency
  • Highest capacity per unit – The FLEX boasts the highest unit capacity of any pressure exchanger. Fewer units are needed to achieve the total flow capacity of the plant and the plant footprint can be smaller.
  • Smallest footprint – Smaller and less complicated headers along with fewer couplings help to simplify installation and keep associated costs low.
  • Lightest design – The Voltex FLEX is the most compact and lightweight pressure exchanger available.
  • Easy to retrofit existing installations – The Voltex FLEX a simple drop-in replacement for existing isobaric energy recovery devices.

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