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Durable Seawater RO Membrane for Long Service Life Water System
US$390.00
1-49 Pieces
US$375.00
50-99 Pieces
US$360.00
100-499 Pieces
US$345.00
500+ Pieces

Product specifications

Performance

Sample price:US$390.00/piece.Request sample

Product profile

Customization

Available

Membrane Type

Spiral

Type

RO

Model NO.

Sw-8040-Hf

Effective Membrane Area

400(37) FT2(M2)

Model No.

Wl-Sw-8040-Hf

Application

Salt Desalination, Boiler Feed Water etc.

Size

7.9*40.0 Inch

Influent Concentration

32000 Ppm

Recovery Rate

8%

Stable Salt Rejection Rate

99.7%

Flow Rate

11000 Gpd (41.6 M3/Day)

Keyword

Seawater RO Membrane

Usage

Salt Desalination, Boiler Feed Water etc.

Material

Polyamides

Function

Reverse Osmosis System Part

Water Temperature

25℃

Test Pressure

800 Psi (5.5MPa)

pH Value

7.5

Transport Package

2 Pieces/Carton

Specification

201*1016 mm

Trademark

Walchin

Origin

Chongqing

HS Code

8421999090

Production Capacity

500000 Pieces/Year

Key features

High Salt Rejection Rate: Achieves 99.7% stable salt rejection for high-quality potable water.
Seawater Desalination: Specially designed for seawater and high-concentration brackish water treatment.
Single Stage RO Process: Enables potable water production from seawater in a single reverse osmosis stage.
Versatile Applications: Suitable for boiler feed water, wastewater reuse, and food/pharma concentration.
Durable Performance: Long service life with stable performance under 800 PSI test pressure.
Polyamide Material: Constructed with high-performance polyamide membranes for efficiency.
OEM and ODM Services: Offers full customization, design-based, and sample-based customization options.
Quality Assurance: Pre-production samples and final inspections guaranteed before shipment.

Company profile

Chongqing Aotong Environmental Protection Technology Co., Ltd.
Self-brandedR&D Capabilities
CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai PortAverage Response Time: ≤10.70h CertifiedTerms of Payment: LC, D/P, T/T, etc.

About Our Factory & Business Background

AddressRoom2-3, Building 3, Qianyi Electric Appliance, Zhaojia Group, Puli New Area, Zhaojia Sub-District, Kaizhou District, Chongqing, China
Plant Area15774 square meters
Number of Employees118
Registered Capital2,000,000 RMB
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Minimum Order Quantity1000 Square Meters
Supply Chain Partners1

Our Production Capability & Technical Expertise

Main ProductsRO Membrane, Reverse Osmosis Membrane, RO Membrane Element, Reverse Osmosis Membrane Element, Household RO Membrane, Industrial RO Membrane, Seawater RO Membrane, Brackish Water RO Membrane
Production Lines4
Production MachinesFilm Producing Line, Auto Cutting Machine, Auto Packing Machine
QA/QC inspectors3 people
Inspection Type for Finished ProductsRandom inspection(Function inspection & Visual inspection)
Inspection Method for Finished ProductsHave instructions and uniformly followed
R&D Engineers1 people
Traceability of Raw MaterialsYes
Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2021-01-26
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Overseas Agent/BranchNo
New Products Launched in Last yearNo

Product Q&A

Q:What type of RO membrane is avaliable in your company?
A:
In general, Aotun has Household/Commercial RO membrane and Industrial RO membrane for optional.
Q:What is Salt Rejection Ratio?
A:
The Salt rejection describes the quality of salt removed from the Reverse Osmosis feed water stream as a percentage. It's one of the key element of the RO membrane quality. Furthermore, other essential elements such as performance durability, stability, application scope in different region, and permeate flow rate at the same pressure will all be the important factors to judge the quality of the membrane.
Q:How often do RO membranes need to be replaced?
A:
RO membranes typically last 2-3 years, but lifespan depends on water quality and maintenance. Regular cleaning extends membrane life.
Q:Is the Salt reation of the RO membrane the higher the better?
A:
This will be depending on the feed water quality, if the feed water quality is good, even a 90% salt rejection membrane will be workable, if the feed water is with bad quality and with brackish water environment, a higher salt rejection above 95% is an ideal choice. For any membrane that meet the local drinking water standard will be a good membrane.
Q:How can we guarantee quality?
A:
Always a pre-production sample before mass production; Always final Inspection before shipment.

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