GE P&W Maple User Manual
Fact Sheet
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FSpsMapleSeries_EN.doc Sep-13
Membrane
D-Series, Thin-Film Membrane (TFM*)
Model
Spacer
mil (mm)
Active area
ft2 (m2)
Outer wrap
Part
number
Maple 4040
30 (0.76)
88 (8.2)
Fiberglass
1206965
Maple 8040
30 (0.76
390 (36.2)
Fiberglass
1207006
Model 1
Dimensions, inches (cm)
Boxed
A
B 2
C 3
Weight
lbs (kg)
Maple 4040
40.0
(101.6)
0.625
(1.59)
3.9
(9.9) 9 (4.1)
Maple 8040
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)
Maximum Temperature
Continuous Operation: 122°F (50°C)
Clean-In-Place (CIP): 104°F (40°C)
‘pH Range
Continuous Operation: 3-9
Clean-In-Place (CIP): 2-10.5
Maximum Pressure Drop
Over an element: 15psi (103kPa)
Per housing: 60psi (414kPa)
Chlorine Tolerance
500 ppm hours,
dechlorination recommended
Maple Series
Industrial – Maple Syrup Processing Elements
The D-Series family of proprietary thin-film
nanofiltration membrane elements is characterized
by an approximate molecular weight cut-off of 150300 Dalton for uncharged organic molecules.
Divalent and multivalent ions are preferentially
rejected by the membrane while monovalent ions
rejection is dependent upon feed concentration and
composition. Since monovalent ions pass through
the membrane, they do not contribute to the
osmotic pressure, thus enabling D-Series
nanofiltration membrane systems to operate at feed
pressures below those of RO systems.
D-Series membrane has an average rejection of
96% on 2000 ppm MgSO4 at 25 oC and at 110 psi
operating pressure.
The Maple Series is specifically designed for maple
syrup processing. It features a fiberglass outerwrap
and standard feed spacers.
Table 1: Element Specification
Figure 1: Element Dimensions Diagram - Female
Table 2: Dimensions and Weight
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 Water & Process Technologies 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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