ro membranes

Model No.

RM-BW-4040

RM-ULPH-4040

RM-ULPD-4040

RM-ULP31-4040

RM-BW-4040FR

RM-SW1-4040

 Performance   

Desalinization rate % 

99.5

99.3

99.1

99.5

99.5

99.6

Permeate Flow GPD (m^3/d) 

1900(7.2)

1900(7.2)

2000(7.7)

2000(7.7)

1900(7.2)

1000(3.8)

Effective membrane area ft^2(m^2) 

106(9.9)

106(9.9)

106(9.9)

113(10.5)

106(9.9)

106(9.9)

Feed water TDS less than ppm (mg/l)

6000

3000

3000

3000

8000

40000

Test condition 

Test pressure 

150psi(1.03Mpa)

Test fluid temperature 

25°C

Test fluid density (NaCl) 

1500ppm

Test fluid ph. 

7.5

Single RO membrane element recovery rate

15%

Operating  conditions

Max operating pressure     psi (MPa)

600(4.14)

600(4.14)

600(4.14)

600(4.14)

600(4.14)

1200(8.27)

Suggested operating pressure psi (MPa)

225(1.55)

150(1.05)

150(1.05)

150(1.05)

225(1.55)

650(4.5)

The maximum water supply temperature

45°C

The maximum water supply SDI

 < 5

free chlorine concentration in water supply

 <0.1ppm

Water supply pH scope when continuous running   

3~10

Water supply pH scope when chemical cleaning 

2~12

The maximum pressure drop of single RO membrane element  

10psi(0.07Mpa)