The material of these series of UF membrane is PVDF according to the MWCO range. It is more suitable for anodic and cathodic paint. The spacer is selected for more membrane area and low resistance, which is difficult to fouling for the pigment, oil and colloidal impurities.
Membrane | PVDF |
Membrane supporter | Polyester |
Permeate pipe | PVC |
Baffle | ABS plastic |
Seal ring | EPDM |
Feed channel | PP net, 34mils |
Max. input pressure | 60psi(4.1bar) |
Normal input pressure | 40〜60psi(2.7〜4.1bar) |
Min. output pressure | 10psi(0.7bar) |
Max. ΔP | 25psi(1.7bar)/pc |
Min. ΔP | 15psi(1.0bar)/pc |
Max. operation temp. | 122℉ (50℃) |
pH (long term) | 2〜10 |
pH (short term or clean) | 2〜11@122℉ (50℃) |
Type | Length(A) | Permeate pipe ID/OD(B) | OD of element (C) | Connector length(D) | Membrane area |
Inches(mm) | Inches(mm) | Inches(mm) | Inches(mm) | ft2(m2) | |
4020F | 20(508) | 0.748(19) | 3.91(99.4) | - | 32(3.0) |
4040F | 40(1016) | 0.748(19) | 3.91(99.4) | - | 75(7.0) |
4040M | 40(1016) | 0.748(19),OD | 3.91(99.4) | 1.063(27) | 73(6.8) |
6040M | 40(1016) | 1.237(31.4),OD | 5.75(146) | 0.854(21.7) total |
150(14.0) |
8040F | 40(1016) | 1.142(29) | 7.91(201) | - | 285(26.5) |
A standard product of spiral membrane element covers the FRP. PVC or PP plastic package are also acceptable per special order. The seal ring is set at the feed input side, or move to the output position for the customer's requirements. |
Type | Feed flow rate GPM(m3/Hr.) |
Permeate flow rate GPM(LPM) | |
Cathodic paint | Anodic paint | ||
4020 | 22(5) | 0.25(0.95) | 0.34(1.3) |
4040 | 22(5) | 0.60(2.32) | 0.8(3.0) |
6040 | 44(10) | 1.2(4.54) | 1.6(6) |
8040 | 88(20) | 2.0(7.6) | 3.2(12) |
★The results vary according to the properties of ED paint, equipment status and operating conditions.
Anodic / cathodic ED paint | Alkaline cleaning agent recovery | |||
Aqueous-based paint | PVA recovery | |||
Waste water re-use | Almost all paint can be recycled and pure water be saving by using this kind of UF membrane |