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Commercial Seawater Reverse Osmosis Watermaker Systems SWC

(22 reviews)
Quality Systems at an exceptional value
Product Description

Pure Aqua, Inc. manufactures a full line of marine water makers designed for heavy-duty or continuous service within on and offshore applications requiring seawater desalination systems.

Compact & Durable

Pure Aqua Seawater Reverse Osmosis Systems feature a unique and innovative compact design that allows for easy installation in any size area. The high grade corrosion resistant powder coated frame features a modular design that allows for the system to be divided into multiple assemblies for easier mounting. The SWC-Series is also equipped with premium components which include duplex SS centrifugal-type high pressure pump for high performance and corrosion resistance, a programmable computer controller with many built-in features, 1000 psi fiberglass membrane housings for durability and US made seawater membranes for high quality product water.

SWC Series Capacity

Our SWC Series is available with capacities ranging from 380 GPD to 10,000 GPD and a maximum feed water TDS of 42,000 ppm. We offer standard SWC Series units as well as customizable to fit you water application needs. Whether it's for your luxury yacht, cruise line, or for a five star resort on the beach, Pure Aqua has the right desalination system for you project.

Customizable For Your Needs

When your needs demand continuous-duty, commercial-grade watermaking, the solution is very clear. The Pure Aqua SWC Series is efficient and extremely reliable. These water makers systems deliver great volumes of potable fresh water with capacities ranging between 380 to 10,000 GPD. Ideal for commercial vessels, island homes, oil platforms, hotels, or large yachts. SWC commercial water makers will provide service wherever clean, pure, fresh water is needed. Employing our advanced microprocessor control panel, SWC commercial reverse osmosis unit enables advanced, total control and user-friendly system customization.

Choosing the right watermaker for boats

Before advancements in technology, having a watermaker aboard a cruising boat was considered as a desirable luxury item. Today, most sailboats carry a reverse osmosis system, which improves the overall experience of setting sail, specifically in areas where freshwater is unavailable. While watermakers might not be required for boats near dockside, boaters cruising throughout offshore locations depend on sailboat watermakers for daily hydration. Long-term voyages on sea is made much more convenient with a qualtiy watermaker onboard and possible for boaters who dream about living living off the grid. Other basic necessities such as showering and cooking are made possible by sailing with a watermaker on your boat.

How does a marine water maker work?

Obtaining fresh water is taken for granted in many geographical locations such as in urban areas within developed countries. However, such locations do not afford people with the ease of attaining freshwater supplies in sufficient quantities to drink and use in other applications. For instance, hot/arid areas and remote islands throughout the world provide very few water sources to the people who inhabit these specific regions. One application which depends solely on the usage of marine water makers for the production of freshwater is offshore installations. As ships cruise further offshore and away from any means of freshwater production from natural sources such as rivers, lakes, springs, and wells, the only real chance of acquiring clean water is from the ocean itself.

While the ocean provides an abundant amount of water to marine water boats, it contains extremely high concentrations of salt, which makes it unusable in virtually any application, including consumption. To remedy this issue, boat owners that look to spend a great deal of time off-shore, make sure to carry a marine water maker on board in order to convert seawater into purified, freshwater. The water produced from marine water makers are of the highest quality and can be used for drinking, washing, showering, etc.

A marine water maker works by utilizing the process of reverse osmosis which specifically targets impurities in water such as salt and minerals and excluding them from the finished product water. This is done through the employment of pressure pumps, which pushes the untreated water through semi-permeable membrane elements that use small pores to filter out these unwanted contaminants from passing along with the water. The contaminants are subsequently flushed away, and the newly purified water is kept and ready to be used. High-pressure pumps are required to use for treatment operations regarding seawater since it possesses greater degrees of salt and other pollutants. Marine water makers are proven to eliminate up to 99 percent of dissolved salt and minerals from seawater.

Maintenance for watermaker

Watermakers have developed a reputation for becoming hard to sustain over a period of time, but over the years the machinery has changed and, generally, daily maintenance has been made much simpler. However, keeping your watermaker polished for quality performance is critical. Sailboat watermakers that are operated in polluted harbors will inevitably lead to clogged parts and require frequent adjustments to the filter media. Boaters can scrape through by having more filters on board but it is ill-advised. The climate is much safer inside the open sea and isolated anchorages. Remember as well the shallowness of the water where you are anchored, since the possibility of tidal movements will often occur and stir up small particles and sediments. This may also lead to additional adjustments in the filter and may even affect other parts. An automatic freshwater flush is a good choice that will clean the membrane portion of the marine watermaker after use. It means keeping the housing of the membrane vessel safe from any organic matter which might foul the membrane and lower the capacity to generate fresh water.

For more information regarding our watermakers, visit the benefits of desalination blog post.  

Commercial Seawater Watermaker System Process Schematic Diagram

 

commercial seawater watermaker system process schematic diagram

1

Feed raw water

2

Pre-chlorination dosing system

3

Raw water storage tank

4

Feed and backwash pump

5

Multi media filter for turbidity and suspended solids reduction

6

Activated carbon filter for chlorine, odor, taste, organic removal

7

Antiscalant dosing system

8

Commercial seawater reverse osmosis system

9

Ultraviolet sterilizer UV system

10

Product water tank

11

Repressurization pump

12

Calcite filter for post pH neutralization

13

Treated water to use

Commercial Seawater Reverse Osmosis System Buying Guide:

In choosing the correct SWC model, the following information must be provided:

  • Flow rate (GPD, m3/day, etc.)
  • Feed water TDS or sea source (ex: Pacific, Mediterranean, etc.)
  • Seawater Source (open intake or beach well)
  • Iron, manganese, and hydrogen sulfide must be removed before the water enters the reverse osmosis unit
  • TSS must be removed before commercial SWC system
  • Turbidity should be removed
  • SDI must be less than 3
  • Water should be free from oil and grease
  • Chlorine must be removed
  • Available voltage, phase, and frequency
  • Dimensions of proposed area where commercial SWC System will be installed

Commercial Seawater Reverse Osmosis System Cost:

Commercial SWC system cost depends on the pre and post-treatment equipment selected, such as:

  • Prechlorination dosing
  • Media filter
  • Carbon filter
  • Antiscalant dosing
  • NSF components
  • Advanced controller
  • Advanced instruments
  • Iron removal filter
  • High TDS application, up to 50,000 ppm
  • Skid mounted system
  • Calcite filter
  • Three phase system power
  • Variable frequency drive VFD
  • Fresh water flush
  • Membrane cleaning skid
[custom-specifications]
commercial seawater reverse osmosis SWRO systems 380-10,000 gpd specifications

Operation Specifications

  • Max. feed water temperature: 42°C

  • Equipment upgrade for TDS up to 50,000 ppm

  • H2S, turbidity and organics must be removed

  • Feed water TDS: 10,000-42,000 ppm

  • Operating pressure: 700 to 1,000 psi

  • pH tolerance range: 3-11

  • Feed water pressure: 40 to 80 psi

  • Antiscalant dosing is required

  • Max. Iron content: 0.05 ppm

Model No.

Permeate

Membranes

Motor HP
at 1000 ppm

Approx.
Weight

Dimensions

GPD

M3/Day

Size

Qty

60 HZ

50 HZ

LBS.

L"xW"xH"

SW-0.38K-125

380

1.4

2.5" x 40"

1

2

2

220

51X21X30

SW-0.70K-225

700

2.7

2.5" x 40"

2

2

3

230

51X21X30

SW-1.0K-325

1,000

3.8

2.5" x 40"

3

3

3

250

51X21X30

SW-1.3K-425

1,300

5

2.5" x 40"

4

3

3

290

51X21X30

SW-1.1K-104

1,100

4

4" x 40"

1

5

5

395

61X34X50

SW-2.1K-204

2,100

8

4" x 40"

2

7.5

7.5

500

61X34X50

SW-3.0K-304

3,000

11

4" x 40"

3

7.5

7.5

360

61X34X50

SW-3.8K-404

3,800

14

4" x 40"

4

7.5

7.5

500

61X34X50

SW-4.7K-504

4,700

18

4" x 40"

5

10

10

750

61X34X50

SW-5.6K-604

5,600

21

4" x 40"

6

10

10

850

61X34X50

SW-6.0K-704

6,000

23

4" x 40"

7

10

10

970

61X34X50

SW-7.6K-804

7,600

29

4" x 40"

8

15

15

1,050

61X34X50

SW-10K-1004

10,000

37.9

4" x 40"

10

15

15

1,150

61X34X56

For more information, please view/download our "Data Sheet"

 

[/custom-specifications]

[custom-features]
commercial seawater reverse osmosis swro systems 380-10,000 gpd features

Standard Features:

Available Options:

  • Energy recovery on 64K GPD and larger

  • Low & high pressure switches

  • Permeate TDS monitor

  • Stainless steel high pressure piping

  • Stainless steel throttling valve for reject stream

  • Powder coated steel frame

  • Heavy duty 5 micron cartridge prefilter

  • Seawater resistant SS pump

  • Microprocessor/PLC based control panel & VFD

  • Glycerin-filled 316 SS prefilter pressure gauges

  • Product & reject flow meters

  • TFC spiral wound membranes

  • FRP membrane housings

  • 460V/3Ph/60Hz power supply

  • Automatic feed shut off valve

  • Chemical dosing systems

  • Media and Iron prefiltration systems

  • Ozonation and UV sterilization systems

  • Post deionization polishers

  • Remote monitor / control option

  • Product tank level controller switch

  • Feed pH controller with sensor

  • Feed ORP controller with sensor

  • Water and hour meters

  • Feed water conductivity monitor

  • Membrane cleaning skid

  • Automatic hourly flush

  • Feed/Permeate blending

  • Explosion proof RO
  • Export crating

  • Containerized / mobile seawater RO
  • 380-415V/3Ph/50Hz power supply

  • 220V/3Ph/60Hz power supply

[/custom-features]

[custom-usage]

The ideal applications for a Commercial Seawater RO system include:

  • Cargo Ships

  • Coastal Developments

  • Hotels & Resorts

  • Seaside Work Sites

  • Oil Tankers

  • Island-Based Businesses

  • Villages & Cities

[/custom-usage]
[custom-360-view]

Here at Pure Aqua, Inc., we engineer and build all of our water treatment systems in-house.

Our turn-key water treatment systems are all pre-engineered using the latest CAD technology available.

This enables our teams to build and deliver treatment systems to our customers with quick turnaround times.

Many of our customers require custom engineered systems. These are typically built around similar core systems and thus allowing for improved turnaround times, even for one-off designs.

 
[/custom-360-view]
Models
Features
Applications
Docs
Videos
360 View
Reviews
(22 reviews) Write a Review
  • 5
    Easy to use and good quality

    Posted by Alex M. on Apr 20th 2020

    Easy to use and good quality of filtered water from the ocean. Our system produces 1,000 Gallons of good tasting water every day.

  • 5
    This system is excellent.

    Posted by Troy K. on Feb 10th 2020

    I got the word from my brother-in-law who uses this SWRO. I bought myself a system (SW-1.0K-325) for my beach home and it's my turn to spread the word. This system is excellent.

  • 5
    No trouble

    Posted by Edwin R. on Oct 15th 2019

    Price is competitive and build quality is great. No trouble that we encountered so it is recommendable for people looking for small SWRO. Ours is the SW-3.0K-304.

  • 5
    Reliability is tops

    Posted by Kyle O. on Jul 8th 2019

    Ours is running almost every day for more than 6-months. Not even 1 issue came out so reliability is tops. We have SW-5.6K-604.

  • 5
    Sturdy machine

    Posted by Lee Y. on Apr 21st 2019

    Sturdy machine compared to the other manufacturers. Components are from quality brands too. We have the SW-3.8K-304.

  • 5
    Best looking and best designed in the market.

    Posted by Jeff S. on Jan 19th 2019

    We've checked some small sea water RO but this is hands-down best looking and best designed in the market. We bought their SW-2.1K-204 which provides us 2,000 GPD of fresh water.

  • 5
    Small and reliable

    Posted by Glenn R. on Nov 6th 2018

    Small and reliable is how I can describe this SW-0.7K-225 SWRO system.

  • 5
    We are very satisfied

    Posted by Norman E. on Jul 13th 2018

    This guys are making and selling great quality sea water RO system. Our family got one for the rest house and nothing negative to say. We are very satisfied Pure Aqua client.

  • 5
    Produces good tasting water

    Posted by Todd G. on Apr 11th 2018

    Love the size, love the price and produces good tasting water. My system is providing 1,000 GPD and no issues experienced ever since.

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