SWRO Membrane

Your Professional SWRO Membrane Supplier

 

Hangzhou Puri-guard Water Treatment., Co., Ltd is one of the world's leading membrane suppliers and manufacturing all types of membrane products, like RO, NF, UF, SWRO. With more than 10 years membrane experience, we design, manufacturing and supply whatever in the home- use, commercial or industrial, and even projects.

 
  • 8040 RO SW Membrane
    Puri-guard® 8040 RO SW membrane is very popular because of the high-quality sheet selection and suitable spacer using, and also professional rolling skills, to produce and supply the quality...
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  • SW30 2521
    Puri-guard® Seawater 2521
    *99.5% rejection and 290GPD flow
    *2.5“X 21" standard size
    *normally for water makers and marine use, can replace SW30 2521
    * Our 2521 sea water...
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  • SW30 2540 Membrane
    Puri-guard® SW 2540 membrane
    *can replace the Dopunt SW30 2540 membrane
    *2.5"X 40" standard size ,99.5-99.65% rejection, 680GPD flow
    *Feed water TDS 32000ppm
    *high...
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  • SW30 4021
    Puri-guard® SW 4021 membrane
    *40"X 21" standard size
    *99.5-99.65% rejection and 640GPD flow
    *can replace the Dopunt SW30 4021 membrane, a cost-effective product but with stable...
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  • SW 4040
    Puri-guard® SW 4040 membrane element
    *4"X40" standard size ,rejection 99.6-99.7%,with flow 1600GPD
    *higher flow OEM is acceptable
    *ideal for use in medium sized desalination...
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  • Seawater RO
    Puri-guard® Seawater RO membrane
    *select the best stable Seawater RO membrane sheet.
    *Full series are available ,8040,4040,4021,2540,2521.
    *OEM and ODM are acceptable and support ,...
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  • SW 8040
    Puri-guard® SW 8040 RO membrane
    *Models includes HF, HR,HRLE ,XLE;
    *rejection 99.8%
    *flow from 6900GPD to 9000GPD
    *supply for our customers mainly in Middle East , north of...
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Why Choose Us

Qualification certification

We company is a national high-tech enterprise,with a special aseptic production workshop for water purification membrane products,has passed the ISO9001、ISO14001、ISO45001 quality management system certificate,has the three-class qualification for professional contracting of environmental protection engineering,water-related approvals and other qualifications,is one of making three national standards companies.

Production Market

Area: Europe (Italy, Switzerland, Greece, Spain), Middle East, Egypt, India, Korea, Indonesia, Mexico, etc.

Rich Experience

Our factory is located in Huzhou of Zhejiang province, who has abundant experience to roll the membrane refer to domestic, commercial and industrial membrane elements more than 15 years.

OEM Service

We supply private label and custom membranes to OEMs all over the world for use in manufactured membrane systems.welcome to visit us for more detailed discuss about the quality,technical concerns,and for long term future cooperation.

 

SWRO Membrane Specifications

 

Membrane Type

Polyamide thin-film composite

Maximum Operating Temperature

113°F(45°C)

Maximum Operating Pressure

1000psi (8.3MPa)

Maximum Feed Water TDS

45000ppm

PH Range

2~12

Maximum Feed SDI

5

Free Chlorine Tolerance

<0.1ppm

 

 
 
Features
8040 RO SW Membrane

Excellent Permeability:

SWRO membranes often exhibit high permeability. Enabling the efficient flow of desired molecules through the membrane while rejecting unwanted substances.

Seawater RO factory

Resistance to Fouling:

Proper design of SWRO membranes can lead to reduced fouling, as the thin active layer can discourage the accumulation of particles or contaminants on its surface.

Seawater RO factory

Surface Modifications:

The active layer’s surface chemistry can be modified to enhance its selectivity and performance. Functional groups can be added to the active layer to specifically target certain substances.

8040 RO SW Membrane

Mechanical Strength:

The support layer provides mechanical strength and stability to the overall membrane structure. It prevents damage and maintains the membrane’s integrity during operation.

 

Type

 

Thin-Film Composite (TFC) Polyamide:

The dominant technology, offering high water permeability and salt rejection (around 99.8%) for seawater desalination, as noted in this ScienceDirect article.

Spiral-Wound:

Flat sheets of membrane rolled around a central tube, creating a compact, high-surface-area module that's efficient for large volumes of water, as shown in this ScienceDirect article and this YouTube video.

SW 8040

 

Applications

 

 

Water Purification and Desalination:

RO systems are extensively used to convert seawater into fresh water, a critical requirement for industries located in arid regions.

 

Removal of Dissolved Solids and Contaminants:

Industries often require water free from minerals and organic matter, and RO systems excel in achieving this.

 

Resource Recovery and Sustainability Initiatives:

Many industries use RO to recover valuable resources from wastewater, contributing to circular economy initiatives and cost savings.

 

 

 
Tracking and Delivery

Tracking information is emailed when the order ships.

Delivery timelines are estimates; weather, customs, carrier capacity, or events can cause delays.

Signature on delivery: Available upon request.

Risk of loss passes upon carrier acceptance; report lost or damaged parcels within 7 days.

 

FAQ

Q: Can you provide samples?

A: Yes, We can support providing sample service. Normally we additional charge for customized samples

Q: How long does production take?

A: Sample order within one week; large order takes 15 to 25 days.

Q: How long is the warranty?

A: Warranty 1 year products expect cartridges.

Q: What's the payment item?

A: T/T, L/C, Paypal, D/P and etc,.

Q: Is private label acceptable?

A: Yes, we provide private labeling service.

Q: How can we guarantee quality?

A: Always a pre-production sample before mass production; Always final Inspection before shipment.

We are one of the most reliable swro membrane manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized swro membrane at competitive price from our factory.

8040 RO SW Membrane, SW 4040, SW 8040