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Improved PVC 8040 UF membrane

Shenzhen Lvding Environmental Technology Co., Ltd.

Improved PVC 8040 UF membrane

Supply Ability : 10000 Piece/Pieces per Month

Price : Get Latest Price

Packaging Details : 1pc/ctn

MOQ : 1 Piece/Pieces

Delivery Time : 15days

Port : shenzhen

Payment Terms : L/C,T/T,Western Union

Place of Origin : Guangdong

Brand Name : WellBlue

Applicable temperature : 5~45 centigrade

Model Number : L-UF8040

Pure water flux : 4100 L/H

Housing material : ABS

MWCO : 6,000, 10,000, 50,000, 100.000 Daltons

Membrane Material : PVC

Dimensions : 192*1016mm(Dia*Length)

Category : Other Pressure Measuring Instruments

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1.Good mechanical strength
2.Good hydrophilicity
3.Many field application
4.Long service life

-Character of wellblue UF membrane:

1). Good hydrophilicity

Our UF membrane has permanent hydrophilic properties. Even at a lower trans-membrane pressure, it also can get high water flux. With uniform pores, the hollow fiber UF membrane can remove the micro-organisms, colloids, algae and other turbidity substances. All the modules pass through air water inspection to ensure the fibers without broken or leaking.


2). Good mechanical strength

Through improving the formulation and process, our UF membrane products have good breaking strength and breaking elongation, to ensure no broken occurred in use.


3).Long service life

Using high quality improved PVC as raw materials, the hollow fiber UF membrane has good advantages of resistance to acid and alkali, organic solvent, grease and light aging. It also has good pollution resistance and strong endurance, it can be washed with various methods in order to remove contaminants and restore membrane flux.


4) Many field application

They are mainly used in water purifying, the treatment of pure water, prefilteration of RO system, recycling of municipal water and industrial waste water, separating of special solution and many other fields.



Membrane Material


External Shape

Hollow fiber

Inner and outer diameters of hollow-fiber


Housing material


Dimensions of membrane module


Area of membrane module


Pure water flux

4100 L/H

Applicable temperature

5 – 45 centidegree

Designed water flux


Pot material

Epoxy resin

Molecular Weight Cut-off (MWCO)

6,000, 10,000, 50,000, 100.000 Daltons

Characteristics of membrane structure

Hydrophilic double-compact layers


Application Conditions

Pre - filtration

50-150 um

Max turbidity of inlet water

≤ 15 NTU

Running mode

Cross-flow filtration or dead end filtration

Max inlet water pressure

0.5 MPa

Max pressure difference of transmembrane

0.2 MPa

Applicable PH range

2- 12

Tolerable continuous residual chlorine

100 PPm

Tolerable interval residual chlorine

200 PPm

l-------- Backwashing Design

Backwashing pressure

0.25 MPa

Backwashing frequency

Every 20 -60 minutes

Backwashing time

30-60 seconds every time

Frequency of chemically enhanced ( CEB )

Auto adding of additives in backwashing is recommended.

Time of chemically enhanced backwashing ( CEB )

30- 60 seconds every time

l-------- Chemically washing design

Frequency of chemically washing

Every 1~4 months or when TMP is over 0.15 MPa

Pressure of chemically washing

0.15 MPa

Time of chemically washing

60 -minutes every time

Acid washing chemical

Citric acid or oxalic acid ( mixed into solution with PH = 2 )

Alkali washing chemical

NaOH ( mixed into solution with PH=2)

l-------- Index of output water

Turbidity of output water

< 0.1 NTU

Index of silt density

< 1.5

Microorganism, pathogen

99.9 % Removed


1. Pure water flux is measured with pure water at the pressure of 0.1MPa.

2. If water are from surface water ,river water or well water and so on ,pre-treatment shall be done. It is suggested that a 50-150 um precision filter shall be equipped to have inlet water with turbidity ≤15NTU.

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