4 Inch NF Nanofiltration Membrane for Water Filter System

• Membrane Type: Spiral
• Type: NF
• Rejection: ≥90%(Mgso4)
• Flux: 2700 Gpd(Mgso4)
• Size: 4 Inch
• Lifespan: 2-3 Year
• Model NO.: NF500-4040-82
• Maximum Operating Pressure: 600 Psi
• Maximum Operating Temperature: 45ºC
• Maximum Feed Water SDI: 5.0
• Transport Package: Standard Export Package
• Specification: 110cm× 26cm× 22cm
• Trademark: UltraClean or Customized
• Origin: China
• HS Code: 8421999090
• Production Capacity: 150000PCS/Year

Product Description

UltraClean UC NF500 series nanofiltration membrane elements have the characteristics of extremely high flux, high salt rejection, high retention of divalent ions and good passing performance of monovalent ions, achieving high water production and moderate removal performance. , can effectively cut off molecular weight above 300~500D. Organic matter, with excellent decolorization performance. The element utilizes the latest element manufacturing techniques to minimize filter dead space and bypass. Suitable for reuse of reclaimed water, municipal water, etc. Available in 4" and 8" sizes.


Product  Highlights

1.Features extremely high throughput and high removal rates
2.Excellent decolorization performance
3.Achieving high water production with moderate removal performance


Membrane Specification


 

A inch(mm)	B inch(mm)	C inch(mm)
37.9 (963)	0.75 (19)	3.9 (99)

Performance Specification
 

Effective Membrane Area ft²(m²)	Stablized Rejection Rate(%)	Flux gpd(m³/d)
82(7.6)	≥90%(MgSO4)	2,700 (10.2) MgSO4

Test conditions: inlet pressure 0.48 MPa (70 psi); inlet temperature 25°C (77°F); inlet water quality 2,000 ppm MgSO4, inlet pH 8; recovery 15%.


Operating and Cleaning Limits
 

Maximum operating temperature                                                                                                                                                                                  113 ºF (45ºC)

Maximum operating pressure                                                                                                                                600 psi (41 bar)

Maximum pressure drop                                                                                                                                                                                                 15 psi (1.0 bar)

pH range

Continuous operation                                                                                                                                                                                                                              2 - 11

Short cleaning (30 minutes)                                                                                                                                                                                                                 1 - 13

Maximum Influent Sludge Density Index SDI                                                                                                                                                                                    5

Free chlorine tolerance                                                                                                                                                                                                                 < 0.1 ppm

Permeate flow for individual elements may vary ±15 percent from the value specifed.
Active membrane area guaranteed ±4%.
Stabilized salt rejection is generally achieved within 24-48 hours of continuous use; depending upon feedwater characteristics and operating conditions.



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