GE P&W GK Series User Manual
Fact Sheet
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AM-FSpwGKSeries_EN.doc Nov-13
Membrane
G-series, thin-film membrane (TFM*)
Model
Average permeate flow
gpd (m3/day) 1
MWCO (Dalton)
GK2540F30
420 (1.6)
3,500
GK2540F50
270 (1.0)
3,500
GK4040F30
1,600 (6.0)
3,500
GK4040F50
1,000 (3.8)
3,500
GK8040C50
4,100 (15.5)
3,500
GK8040F30
5,900 (22.3)
3,500
GK8040F50
4,000 (15.1)
3,500
Model
Spacer
mil (mm)
Active area
ft2 (m2)
Outer wrap
Part
number
GK2540F30
30 (0.76)
27 (1.8)
Fiberglass
1207129
GK2540F50
50 (1.27)
17 (1.6)
Fiberglass
1207130
GK4040F30
30 (0.76)
98 (9.1)
Fiberglass
3050009
GK4040F50
50 (1.27)
64 (5.9)
Fiberglass
3050008
GK8040C50
50 (1.27)
257 (23.8)
Cage
1207151
GK8040F30
30 (0.76)
370 (34.4)
Fiberglass
1207152
GK8040F50
50 (1.27)
250 (23.2)
Fiberglass
1207153
Model²
Dimensions, inches (cm)
Boxed
A
B1
C3
Weight
lbs (kg)
GK2540F30
40.0
(101.6)
0.75
(1.90) OD
2.4
(6.1) 4 (1.8)
GK2540F50
40.0
(101.6)
0.75
(1.90) OD
2.4
(6.1) 4 (1.8)
GK4040F30
40.0
(101.6)
0.75
(1.90) OD
3.9
(9.9) 9 (4.1)
GK4040F50
40.0
(101.6)
0.75
(1.90) OD
3.9
(9.9) 9 (4.1)
GK8040C50
40.0
(101.6)
1.125
(2.86)
7.9
(20.1)
29
(13.2)
GK8040F30
40.0
(101.6)
1.125
(2.86)
7.9
(20.1)
29
(13.2)
GK8040F50
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
400psi (2,760kPa)
Maximum Temperature
Continuous operation: 122°F (50°C)
Clean-In-Place (CIP): 122°F (50°C)
pH Range
Continuous operation: 2-10
Clean-In-Place (CIP): 1.0-11.5
Maximum Pressure Drop
Over an element: 15psi (103kPa)
Per housing: 60psi (414kPa)
Chlorine Tolerance
1,000 ppm days
GK Series
Industrial Ultrafiltration Elements – TFM* 3,500 MWCO
The G-Series family of proprietary thin-film ultrafiltration membrane elements is characterized by a molecular weight cutoff of 3,500 on polyethylene glycol and
a smooth, fouling resistant membrane surface.
GK Elements are used for surface water pretreatment,
color/TOC reduction, and chemical purification.
Table 1: Element Specification
Figure 2: Element Dimensions Diagram – Male
Table 2: Dimensions and Weight
1
Flux specifications are based on fouling free water at 85psi operating pressure
(586 kPa), 77°F (25°C), and 10% recovery. Individual element flux may vary ± 25%.
Figure 1: Element Dimensions Diagram – Female
1
Internal diameter unless specified OD (outside diameter).
²These elements are dried then bagged before shipping.
3
The element diameter (dimension C) is designed for optimum performance in GE
pressure vessels. Others pressure vessel dimension and tolerance may result in
excessive bypass and loss of capacity.
Table 3: Operating and CIP parameters
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