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A professional manufacturer of special separation membrane in China.It has become the first governing unit of the nanofiltration industry alliance, and has also been appraised as a national high-tech enterprise.

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MAYENCE® High Flux HV-NFF4040 NF membrane

Withstandarddimensions,itcanmatchall4-inchmembraneshells. Comparedwithotherbrand,itspermeateflowishigh.  Performanceparameter: TypeOperatePresureCapacityNormalrejection(%)AreaSpacerMPaGPDNaClMgSO4m²ft
ProductDec
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With standard dimensions, it can match all 4-inch membrane shells.
Compared with other brand, its permeate flow is high. 
 
 
Performance parameter:
 
Type
Operate Presure
Capacity
Normal rejection (%)
Area
Spacer
MPa
GPD
NaCl
MgSO4
ft²
mil
HV-NFF4040
0.48
2400
30-50
≧94
7.9
85
34
 
Test conditions:
 
Test pressure 0.48Mpa
Temperature of test solution 77ºF  (25℃)
Concentration of test solution 500ppm  (as Nacl)
Concentration of test solution 2000ppm (as MgSO4)
Recovery rate per membrane 15%
PH of test solution 7.5
 
Operation conditions:
 
Max operation pressure 2.1MPa
Max feed flow 16gpm   (3.6m3/h)
Max feed water temperature 45℃
Max feed SDI 5
Feed Max chlorine residual concentration 0.1ppm
Min concentrated and permeate ratio 5:1
PH at continuous operation 3-10
PH of CIP 2-12
Max pressure loss per membrane 15psi  (0.10MPa)
 
Membrane size drawing:
 
 
Type
A
B
C
HV-NFF4040
1016mm
19.1mm
99.7mm
 
Notice:
 
1. The permeate value listed in the table is the average value. The permeate flow of single membrane is tolerance not exceeding ±15% of the nominal value.
 
4. All the membrane elements have been strictly tested before leaving the factory, and have been treated by dry technology, then sealed with plastic bag, and further packed in carton boxes. In long term suspension, to prevent the breeding of microbes, soak the membrane elements with protective solution is highly recommened, the solution (prepared with NF permeate water) containing 1.0% sodium bisulfite (food- grade).
 
5. Discharge all the NF permeate and rejected water produced during the first one hour after system start-up.
 
4. During storage time and operation period, it is strictly prohibited to added any chemical medicament that may be harmful to membrane elements. In case of any violation in adding chemical medicament, we assumes no liability for any damages incurred.
 
5. Along with technical development and product renovation,all information will be updated at any time. Please keep notice our latest information of the product .
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