GE P&W Dairy PT Series User Manual
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FSsmDairyPTSeries_EN.doc Nov-13
Fact Sheet
Membrane
P-Series, Polyethersulfone
Model
Spacer
mil (mm)
Active area
ft2 (m2)
Outer wrap
Part
number
DAIRY PT3838C30
30 (0.76)
74 (6.9)
Cage
1207675
DAIRY PT3838C50
50 (1.27)
54 (5.0)
Cage
1207336
DAIRY PT6338C30
30 (0.76)
219 (20.3)
Cage
1226552
DAIRY PT6338C50
50 (1.27)
164 (15.2)
Cage
1226522
DAIRY PT6338C65
65 (1.65)
134 (12.4)
Cage
1222964
DAIRY PT8038C30
30 (0.76)
330 (30.6)
Cage
1240081
DIARY PT8038C50
50 (1.27)
258 (24.0)
Cage
1230690
DAIRY PT8038C65
65 (1.65)
198 (18.4)
Cage
1230833
Model1
Dimensions, inches (cm)
Boxed
A
B2
C3
Weight
lbs (kg)
DAIRY PT3838
38.0
(96.5)
0.833
(2.12)
3.79
(9.6)
7
(3.2)
DAIRY PT6338
38.0
(96.5)
1.138
(2.89)
6.34
(16.1)
18
(8.2)
DAIRY PT8038
38.0
(96.5)
1.125
(2.86)
7.91
(20.1)
29
(13.2)
Typical operating Pressure
80-135 psi (555 – 931 kPa)
Typical Operating Flux
5 – 20 GFD (8 – 34 LMH)
Maximum Operating Pressure
200psi (1,379kPa)
Maximum Temperature
Continuous Operation: 122°F (50°C)
Clean-In-Place (CIP): 122°C (50°C)
Clean Water Flux (CWF)1
47 GFD (80 LMH) @ 30psi and 50°C
pH range
Continuous Operation: 3.0-10.0,
Clean-In-Place (CIP): 2.0-11.5
Maximum Pressure Drop
Over an element: 15psi (103kPa)
Per housing: 60psi (414kPa)
Chlorine Tolerance
5,000 ppm days
Dairy PT Series
Ultrafiltration – Superior Protein Retention
The Dairy PT Series of polyethersulfone ultrafiltration membrane elements are characterized by a
5,000 molecular weight cut-off. These elements are
typically used for protein concentration up to 30%
solids from milk, whey and gelatin, when protein
retention is key.
The elements feature a Durasan* patented outerwrap, a selection of feed spacers, and polysulfone
parts.
The Dairy PT elements comply with:
FDA Regulations relevant sections of 21CFR
Figure 1: Element Dimensions Diagram
Table 2: Dimensions and Weight
EU Framework 1935/2004/EC
Table 1: Element Specification
1
These elements are bagged dry 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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