Double-Layer PES Capsules0 pages
DPS Capsule Filters
Double Layered Polyethersulfone (PES) Membrane
Applications
Process Water
Inks & Dyes
DI Water
Specialty Chemicals
DPS Capsules are hydrophilic and manufactured with two layers
of polyethersulfone (PES) membrane optimized for the highest
filtration area and solids holding capacity. PES membrane has
excellent flow rates.
DPS capsule filters are used for removal of particulates from
process water, and for final filtration of DI water, inks, dyes and
specialty chemicals.
DPS capsule filters are particularly suited for high flow rate
filtration of product streams that contain high contaminant
loads and have elements that can adsorb to the media, such as
preservatives. The lower binding characteristics of PES membrane
make it a good choice for inks, dyes, specialty chemicals and
service fluids.
Excellent flow rates with high solids retention capacity
High quality filtration of process water, specialty
chemicals, inks and dyes
Optimized double layer membrane design for high
throughput
DPS Capsule Filters - Filtration Area
Capsule Length
Media
5”
10”
20”
30”
3.0 ft2 (2788cm2)
7.0 ft2 (6503cm2)
14.0 ft2 (13006cm2)
21.0 ft2 (19509cm2)
Flow Rate / Filtration Area
The following table represents typical water flow at a one psi (69 mbar) pressure differential across a single 2 inch capsule with 1.0 ft²
(930 cm²) of media with 1/2” FNPT ports. The test fluid is water at ambient temperature. Higher pressure drops are acceptable, but as
flows increase the pressure drop of the housing becomes more apparent.
0.03 μm
0.10 μm
0.22 μm
0.45 μm
0.65 μm
0.80 μm
1.0 μm
1.2 μm
GPM
0.16
0.26
0.46
0.71
0.86
0.91
0.97
1.0
LPM
0.61
0.98
1.74
2.69
3.26
3.44
3.67
3.78
Pore Size
* For approximate flow rates for 5” through 30” capsules, refer to the appropriate cartridge data sheet
Construction Materials
Maximum Operating Parameters
Housing
Polypropylene
Liquid Operational Pressure
80 psi (5.5 bar) at 20 °C (68 °F)
Filtration Media
Double Layered Polyethersulfone (PES)
Membrane
Gases Operational Pressure
60 psi (4.1 bar) at 20 °C (68 °F)
Operating Temperature
Media Support
Polypropylene
43 °C (110 °F) at 30 psi
(2.1 bar) in water
End Caps
Polypropylene
Forward Differential Pressure 50 psid (3.4 bard) at 20 °C (68 °F)
Center Core
Polypropylene
Reverse Differential Pressure
40 psid (2.7 bard) at 20 °C (68 °F)
Outer Support Cage
Polypropylene
Sealing Method
Thermal Bonding
Recommended Changeout
Pressure
35 psid (2.4 bard)
General Service Grade
2”
1.0 ft2 (930cm2)
Double Layered
PES Membrane