Reverse Osmosis • Multistage Flash ♦ Multi-Effect Distillation

Pump Supplier to the World Flowserve is the driving force in the global industrial pump marketplace. No other pump company in the world has the depth or breadth of expertise in the successful application of pre-engineered, engineered, and special purpose pumps and systems. A Leader in Pumps for Desalination As worldwide demand for potable water continues to grow, municipalities and industries are turning increasingly to desalination. In the forefront of virtually every significant advancement in water-handling pump technology, Flowserve is the supplier of choice for thermal and membrane desalination....

Pump Designs Flowserve offers a wide range of complementary pump types, built to recognized global standards and customer specification. These include: • Single-stage process • Between bearings single-stage • Between bearings multistage • Vertical • Submersible motor • Positive displacement • Specialty Available Configurations • Sealed and sealless • Axially and radially split • Volute and diffuser • Close coupled and spacer-coupled • Single and double casing Committed to the Complete Pump System Life Cycle For more than two centuries, Flowserve has served industries requiring solutions that...

The Desalination-Flowserve Interface High corrosion resistance, energy efficiency and proven performance are paramount to the selection of pumps and systems for water desalination. Flowserve is unmatched in materials expertise and applications know-how. Having equipped water desalination plants for more than a half-century, Flowserve has the experience and expertise to meet these challenges. Photo courtesy of Doosan Heavy Industries and Construction Application Know-how Flowserve engineers are highly regarded for their knowledge and skill in helping customers solve difficult process problems....

Materials Expertise Flowserve offers its customers a broad range of corrosion-resistant materials — both metallic and nonmetallic — along with materials application expertise to provide the safest, lowest total cost solutions for the difficult services found in desalination plants. Pitting, crevice corrosion and stress corrosion cracking are major challenges in processing seawater and brackish water. Flowserve effectively addresses these issues with its broad range of materials, including proprietary super austenitic stainless steels, duplex stainless steels, bronze alloys, nickel alloys, and...

Reverse Osmosis With its inherently simple design and significantly lower energy consumption, the reverse osmosis (RO) process is often the choice for municipal and commercial water supply. The comprehensive line of Flowserve pump products featuring high efficiency and advanced material technology can be a major factor in achieving success in potable water creation. Detailed systems knowledge along with a full menu of technical support and services are available wherever and whenever needed. Dual Media

High-Pressure Membrane Feed Pumps Energy Recovery Devices The heart of the RO system is the high-pressure membrane feed pump. Flowserve offers high-efficiency membrane feed pumps, designed using the latest technology (e.g., computational fluid dynamics), to provide best pump performance. These critical pumps are manufactured in corrosion-resistant materials to ensure long performance life without degradation. Whether the design is horizontal split case or ring section type, Flowserve has the pump for this service. Energy consumption is generally the biggest cost driver of desalination, thereby...

Multistage Flash Distillation Flowserve has a comprehensive product range to fit every service in the multistage flash (MSF) plant. Critical to success in this process is the selection of equipment and materials which can survive saline brine at elevated temperatures. Steam Ejection Source Pump To Outfall Low-Pressure Steam Deaerator Brine Heater Condensate Return Pump Distillate Pump Flash Chambers Brine Circulation Pump Photo courtesy of Doosan Heavy Industries and Construction Blowdown Pump

Source Water Intake Distillate Extraction Flowserve offers a complete line of corrosion-resistant pumps with the flexibility to meet any intake requirement. Pump models include vertical configurations in a wide capacity range to maximize system efficiency. Distillate extraction requires a pump that is highly efficient and dependable. Flowserve offers several proven pump models in both vertical and horizontal configurations for this service. Brine Recirculation Cooling Seawater Recirculation Brine recirculation is the most arduous service in the MSF plant because of the low NPSHA. The service...

Multi-Effect Distillation With the promise of low primary energy consumption, low heat transfer area and high gain ratio, multi-effect distillation (MED) is experiencing renewed interest and growth. Flowserve offers pumps for all aspects of the MED process: • Source water intake • Process water pretreatment • Filter backwash • Feed • Brine transfer and disposal • Product and chemical transfer • Power generation and co-generation 10 Steam Supply Feedwater Condensate Pump Source Pump Final Effect Flash Vessel Final Condenser Brine Blowdown Pump Distillate Pump

Equipment and Services That Drive Success In designing modern desalination plants, low-cost water production and system availability are major considerations. Regardless of the desalination process, Flowserve is there to support customers with equipment and services that advance these goals: • Broad hydraulic range to meet any process condition • Hydraulic and materials engineering expertise to overcome tough operating conditions • The highest efficiency pumps and energy recovery devices • Local support of parts, repairs and service through QRCs • Condition monitoring and maintenance contracts...

Source Water Intake Pumps Whether wet-pit, dry-pit or beach well, Flowserve offers a broad range of vertical and horizontal pumps designed for extended operation in source water intake. Pleuger SUBM Vertical, Wet-Pit Pumps Single or multistage vertical turbine diffuser type designs; submersible pumps with oil or water filled motor designs; pullout and non-pullout mixed flow models Vertical Turbine Pump Operating Parameters • Flows to 13 600 m3/h (60 000 gpm) • Heads to 1070 m (3500 ft) • Pressures to 105 bar (1500 psi) • Temperatures to 65°C (150°F) Submersible Pump Operating Parameters • Flows...