Models
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ROWPU-SW4500
ROWPU SW4500 (/17000LPD)
The AMPAC USA ROWPU SW4500 is a military-grade seawater desalination system built to convert saltwater into clean, potable water for naval and military operations.
4,500 GPD
View specifications -
ROWPU-SW5000-ML
ROWPU SW5000 (/19000LPD)
The AMPAC USA ROWPU SW5000 is a high-capacity military-grade sea water desalination system that converts seawater into fresh, potable water for naval operations, marine vessels, and other military applications.
5,000 GPD
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Need an output between two models, or a different feed water? Send us your numbers
About Best Military Spec Water Purification Systems
Sizing a system? Send your flow rate and a feed-water analysis, and an AMPAC engineer will work out the configuration with you.
AMPAC USA designs and manufactures heavy, duty military-grade Seawater Desalination Reverse Osmosis Water Purification Units (ROWPU’s) that are commonly used by Navy, Air Force, Marine and Army Corps of Engineers units worldwide.
AMPAC USA ROWPU’s pass military-grade testing for high quality and reliability under harsh conditions and are approved by NATO as a standard for provisioning fresh water from seawater and brackish water sources. AMPAC USA ROWPU’s are used for Military Sea Water Desalination, by NATO forces and installed on NATO vessels worldwide, and carry a unique NATO stock number (NSN) for military-grade applications.
AMPAC USA military-grade ROWPU’s set a high standard in the Navy Seawater Desalination industry. We integrate military/ marine grade components and materials with a craftsman’s extreme attention to detail. The result is a super-duty, truly reliable, durable, Military-grade ROWPU watermaker trusted by the military community and Marine Industry worldwide.
Military Sea Water Desalination needs are met by AMPAC USA’s systems. They are also perfect for Military Spec Water Purification System needs. Call 909-548-4900.
Frequently Asked Questions
What is a ROWPU and what does AMPAC USA supply for military applications?
ROWPU stands for Reverse Osmosis Water Purification Unit, the standard military designation for field-deployable RO systems. AMPAC USA manufactures ROWPU systems that meet MIL-SPEC and NSN procurement requirements, ranging from 1,500 GPD man-portable configurations to 10,000 GPD trailer-mounted units used by armed forces in forward operating bases worldwide.
Do your military water purification systems meet MIL-SPEC standards?
Yes. Systems are engineered to MIL-STD-810 environmental requirements covering shock, vibration, humidity, and temperature extremes from -20 to 120 degrees F. Housing materials, fittings, and frame construction meet military corrosion resistance specifications. NSN numbers are available for units on approved procurement lists, simplifying acquisition through DSCA and DLA channels.
Can military ROWPU systems handle both seawater and contaminated fresh water sources?
That dual-source capability is a core design requirement. Systems switch between seawater mode (up to 45,000 TDS feed) and brackish or contaminated fresh water mode by adjusting operating pressure and pre-treatment. Salt rejection exceeds 99% across both modes. Chemical feed capability handles biologically contaminated surface water sources common in field operations.
What output capacities are available for military procurement?
The standard military product line runs from 1,500 GPD in a two-person carry configuration to 3,000 GPD on a single trailer to 10,000 GPD on a dual-axle prime mover trailer. Custom capacities up to 50,000 GPD are engineered for semi-permanent forward operating base installations. NATO-standard power connectors are available.
What power options are supported for forward operating base deployment?
Standard military generator power (60 Hz 120/240V single-phase or 208V three-phase) is the primary design basis. Systems also support NATO-standard military generator plugs. Solar hybrid packages with battery storage suit patrol base use where generator fuel is tactically limited. Engine-driven hydraulic pump drive options exist for vehicle-mounted variants.
How are spare parts and maintenance handled for deployed military systems?
AMPAC USA provides a recommended authorized stockage list (ASL) of membranes, seals, pump wear parts, and cartridge filters sized for 90-day or 180-day operational periods. Technical manuals are written to MIL-HDBK-63038 format. Remote diagnostic support via satellite link is available for systems deployed outside continental US locations.