RO Membrane

Your Professional RO Membrane Supplier
您的专业反渗透膜供应商

 

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.
杭州普里格德水处理有限公司是全球领先的膜供应商之一,生产各类膜产品,如 RO、NF、UF、SWRO。凭借超过 10 年的膜材经验,我们设计、制造并供应家庭用、商业或工业甚至项目所需的各种产品。

 
  • 300 GPD RO Membrane
    RO 300GPD for drinking water use
    *Capacity: 300 GPD (Gallons per Day)≈ 1,135 L/day
    *Model: 3012/3013 based on membrane housing
    *Rejection : 95-98% based on requirement...
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  • RO 1812 75
    Puri-guard® standard household 1812-75
    *Micro rating :~0.0001 micron *Rejection:98-98.5% for higher rejection type
    (Standard testing condition: 60psi, 250ppm NaCl, 15% recovery)...
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  • 500 GPD Membrane
    Puri-guard® 3012-500 RO membrane
    *light commercial/high flow residential RO
    *High water flux under low pressure
    *standard 3012 housing compatibility with higher rejection...
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  • BW 4040
    Puri-guard® BW-4040
    •Standard 2400GPD flow, 99.7% rejection
    •225psi ,use range ≤8000ppm suggested
    •Rapid desalination and long-term lifecycle
    •Premium packaging
    •OEM...
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  • 80 GPD
    Reverse osmosis membrane 80gpd water filter element is initially design for replacement of Dopunt brand residential membrane, especially for Europe, Vietnam, Middle East and some of places need...
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  • DTRO 75-120bar 9405 Membrane Module
    Puri-guard® DTRO-disc-tube reverse osmosis
    *designed for high-salinity and high-pollution wastewater treatment
    *Compare traditional RO, DTRO offer strong anti-fouling performance and...
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  • 100 GPD RO
    Puri-guard® brand with high rejection 98% and standard flow
    Model : 2012-100
    available : OEM /ODM on performance and appearance includes labels and cartons design both ok
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  • RO Membrane 180 GPD
    Puri-guard® 2012-180
    *higher flow model can produce 2012-180 /2012-200
    *RO membrane with its rejection 97-98%
    *Normally export to Europe and higher flow requested countries
    *We...
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  • 400 GPD RO Membrane
    Puri-guard® 400 gpd RO membrane
    Model supply: 3012-400 and 3013-400
    This kind of residential membrane normally used in commercial water purifier and direct drinking and home water purifier.
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  • 3012 RO Membrane
    Puri-guard® 3012 RO membrane
    Available model :3012-300 , 3012-400 and 3012-500,3012-600
    based on different customer’s request and different area requirement, choose the right one.
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  • 600 GPD RO Membrane
    Puri-guard® 600 gpd RO membrane
    *3012 or 3013 both available
    *high-flow reverse osmosis filter element
    *from 400GPD to 1000GPD all can supply
    *Especially for Europe and some...
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  • B RO Membrane
    B grade RO membrane
    *both domestic and industrial all available
    *Domestic rejection is around 93-95% ,industrial rejection 95-98%
    *Flux is ≥ A quality based on same testing...
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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.

 

RO Membrane Specifications

 

Media

Pleated 100% PP Fiber

Effective membrane area ft²(㎡)

400(37)

Operating pressure psi(Mpa)

150(1.05)

Average yield GPD(m³/d)

12000(45)

Salt rejection (%)

99.5

Recovery rate (%)

15

Max.operating pressure psi (Mpa)

600(4.2)

Max.inflow temperature (℃)

45

Max.inflow SDI

5

Max.water flow GPM(m³/h)

80(18)

Free chlorine concentration

<0.1

Continuous running water Ph Range

3-10

 

productcate-650-500

Features

High Rejection Rate: Removes up to 99% of impurities like salts, heavy metals, bacteria, viruses, and pharmaceuticals.

Energy Efficiency: More efficient and less chemically intensive than distillation.

Durable Materials:

Most common are Thin Film Composite (TFC) polyamide membranes, known for efficiency and longevity, though Cellulose Acetate (CA) types exist.

Semi-Permeable<>/nav> Barrier:

Features microscopic pores that let water molecules pass but block larger contaminants, working via size, shape, and charge exclusion.

Versatility:

Used in residential purifiers, industrial process water, and seawater desalination.

Cross-Flow Operation:

Water flows across the membrane surface, not just through it, to prevent fouling (scaling/clogging).

 

Type

 

Thin-Film Composite (TFC) Membranes

Thin-film composite membranes are the most widely used and popular type of RO membranes. They consist of a thin, dense polyamide (PA) layer on top of a porous support layer.

01

Cellulose Acetate (CA) Membranes

Cellulose acetate membranes were one of the first types of RO membranes developed. They consist of a cellulose-based material, a synthetic derivative of natural cellulose found in plants, coated on a non-woven fabric.

02

Polyamide Thin-Film (PA-TF) Membranes

Polyamide thin-film membranes are similar to TFC membranes, but use a different type of polyamide layer. PA-TF membranes are known for their high salt rejection rates and good overall performance in RO systems.

03

Fully Aromatic Polyamide (FA) Membranes

Fully aromatic polyamide membranes are a type of PA-TF membrane made from fully aromatic polyamide materials. These membranes offer higher chlorine tolerance and can be used in water with higher chlorine concentrations without degradation.

04

 

 
 
Applications
01.

Gas Separation:

TFC membranes can be used for gas separation applications, such as the separation of hydrogen from various gas mixtures, carbon dioxide capture, and natural gas processing.

02.

Organic Solvent Nanofiltration:

TFC membranes are used for separating organic compounds from solvents, which is important in industries like pharmaceuticals, fine chemicals, and agrochemicals.

03.

Hemodialysis:

TFC membranes are employed in medical applications for hemodialysis, where they separate waste products and excess ions from blood, helping to treat kidney failure.

04.

Fuel Cells:

TFC membranes play a role in proton exchange membranes for fuel cells, enabling the transport of protons while blocking the passage of other gases and liquids.

 

FAQ

Q: What's your main products?

A: We provide Residential, Commercial and Industrial water treatment as well as relevant spare parts.

Q: Do machines have any certifications?

A: Yes, all products are CE certified. Some even ISO certified.

Q: Can you provide samples?

A: Yes, We can support providing sample service.

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 OEM available?

A: Yes, welcome OEM.

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