Water Symmetric PES Capsules0 pages
WPS Capsule Filters
Symmetric Polyethersulfone (PES) Membrane
Water Service Applications
Process Water
Ultrapure Water
DI Water
Pharmaceutical Waters
WPS Capsules are hydrophilic and manufactured with symmetric
polyethersulfone (PES) membrane. PES membrane exhibits
excellent flow rates with high efficiency retention.
WPS capsule filters are used for purified water filtration. The
symmetric membrane used in WPS capsules guards against
bacterial grow-through, reducing the potential for biofilm
accumulation in systems.
Polyethersulfone is particularly suited for high flow rate filtration.
The membrane allows optimization for high flow rates and high
throughput.
Excellent flow rates with high efficiency retention
High quality filtration of purified waters for multiple
industries
Optimized membrane design for high throughput
WPS Capsule Filters - Filtration Area
Capsule Length
Media
5”
1.0 ft (930cm )
2
10”
3.0 ft (2788cm )
2
20”
7.0 ft (6503cm )
2
2
2
30”
14.0 ft (13006cm )
2
2
21.0 ft (19509cm2)
2
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
GPM
0.21
0.36
0.64
1.0
LPM
0.79
1.36
2.42
3.79
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
Symmetric 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
35 psid (2.4 bard)
Sealing Method
Thermal Bonding
Recommended Changeout
Pressure
Water Service Grade
PES Membrane
2”
2