4 Inch RO Reverse Osmosis Membranes for Commercial Water Treatment

Basic Info

Model NO.	SW4021-33HR
Maximum Operating Temperature	45 ºC
Maximum Feed SDI(SDI15)	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 commercial desalination reverse osmosis membrane elements can provide maximum water production while maintaining excellent salt rejection, high water production to meet the needs of offshore and onshore installations, while operating at lower pressures, which can reduce the size of high pressure pumps and cost and reduce operating costs. Due to the use of advanced automatic precision manufacturing technology, the performance of the membrane element is reliable and stable.

 

Product Highlights

1.High flux and reliable stability
2.Low operating pressure

 

Membrane Specification

A inch(mm)	B inch(mm)	C inch(mm)
21 (533)	0.75(19)	3.9 (99)

Performance Specification

Effective Membrane Areaft²(m²)	Stablized RejectionRate(%)	Minimum Rejectionrate(%)	Fluxgpd(m³/d)
33 (3.1)	99.6	99.5	540 (2.0)

Test conditions: inlet pressure 5.5 MPa (800 psi); inlet temperature 25°C (77°F); inlet water quality 32000ppm NaCl; inlet pH 8; recovery 8%.

 

Operating and Cleaning Limits

Maximum operating temperature 113 ºF (45ºC)

Maximum operating pressure 1000 psi (69 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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