GE P&W SG Series User Manual
Fact Sheet
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AM-FSpwSGSeries_EN.doc Nov-13
Membrane
S-Series, Thin-film membrane (TFM*)
Model
Average
permeate flow
gpd (m3/day)
1,2
Average NaCl
rejection
1,2
Minimum
NaCl
rejection
1,2
SG2540F30
590 (2.2)
98.5%
97%
SG2540F50
370 (1.4)
98.5%
97%
SG4040C30
2,200 (8.3)
98.5%
97%
SG8040F30
8,400 (31.8)
98.5%
97%
Model
Spacer
mil (mm)
Active area
ft2 (m2)
Outer wrap
Part
number
SG2540F30
30 (0.76)
27 (2.5)
Fiberglass
1207546
SG2540F50
50 (1.27)
17 (1.6)
Fiberglass
1207547
SG4040C30
30 (0.76)
100 (9.3)
Cage
1207577
SG8040F30
30 (0.76)
380 (35.3)
Fiberglass
1207614
Model1
Dimensions, inches (cm)
Boxed
A
B2
C3
Weight
lbs (kg)
SG2540F30
40.0
(101.6)
0.75
(1.90) OD
2.4
(6.1)
4
(1.8)
SG2540F50
40.0
(101.6)
0.75
(1.90) OD
2.4
(6.1)
4
(1.8)
SG4040F50
40.0
(101.6)
0.625
(1.59)
3.9
(9.9)
9
(4.1)
SG4040C30
40.0
(101.6)
0.625
(1.59)
3.9
(9.9)
9
(4.1)
SG8040F30
40.0
(101.6)
1.125
(2.86)
7.9
(20.1)
29
(13.2)
Typical Operating Flux
5 – 20 GFD (8 – 34 LMH)
Maximum Operating Pressure
600psi (4,137kPa) if T < 95°F (35°C)
435psi (3,000kPa) if T > 95°F (35°C)
Maximum Temperature
Continuous Operation: 122°F (50°C)
Clean-In-Place (CIP): 122°F (50°C)
pH Range
Optimum Rejection: 5.5-7.0,
Continuous Operation: 2.0-10.0,
Clean-In-Place (CIP): 1.0-10.5
Maximum Pressure Drop
Over an element 15psi (103kPa)
per housing: 60psi (414kPa)
Chlorine Tolerance
500+ ppm hours,
dechlorination recommended
Feedwater
NTU < 1
SDI < 5
SG Series
Industrial Brackish Water RO Elements
The S-Series family of proprietary thin-film reverse
osmosis membrane elements is characterized by
high sodium chloride rejection and a smooth, fouling-resistant membrane surface.
SG Brackish Water Elements are used for brackish
water desalination and process stream concentration.
The SG elements feature either a patented cage or
fiberglass outer wrap and 30mil or 50mil spacer.
Table 1: Element Specification
Figure 1a: Element Dimensions Diagram (Female)
Table 2: Dimensions and Weight
1
Average salt rejection after 24 hours operation.
Individual flow rate may vary ±25%.
2
Testing conditions: 2,000ppm NaCl solution at 225psi (1,551kPa) operating pres-
sure, 77°F (25°C), pH 6.5 and 15% recovery.
1
These elements are dried then bagged before shipping.
2
Internal diameter unless specified OD (outside diameter).
3
The element diameter (dimension C) is designed for optimum performance in GE
pressure vessels. Other pressure vessel dimension and tolerance may result in
excessive bypass and loss of capacity
Table 3: Operating and CIP Parameters
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