ESW Series String Wound Cartridge Filters are developed depth wound filters by Hongtek China, which are made of continuous filament yarn along with strong polypropylene and spiral stainless steel central cores. Length of 60 inchs & 70 inchs of wound cartridge filters are specially designed for boiler water systems of power plant production facilities. Extra-long fiber of power plant wound cartridges means longer and larger surface filtration area. Condensate wound filters possess wide chemical compatibility for oil, water, acids and alkalis, high flow rates, low differential pressures and long service life, so are qualified to meet requirements of increasingly stringent boiler feed water fields.
| Filter Media | PP, Bleached Cotton, Glass Fiber(threadiness or twisting) |
| Length | 60"(1524mm), 70"(1778mm) According to customers requirements |
| Inside Diameter | 28mm, 30mm (Special ID can be customized) |
| Outside Diameter | 2.4"(61mm), 2.5"(63mm) Special OD is accepted |
| Filtration Rating | 1μm, 5μm, 10μm, 20μm, 30μm, 50μm, 75μm, 100μm |
| Core | PP, SUS304, SUS316 |
| Gasket/O-ring | Silicone, EPDM, Viton, Buna |
| End Cap | DOE, Extended Core, Extended Thread Adapter 1 3/16"(1.19") 24 threads/inch , Extended Thread Adapter 1/4" 20 threads/inch |
● Power plant wound cartridges possess flow rate and long service life
● Power plant wound filter cartridges have high resist-pressure and no distortion
● 60" & 70" string wound cartridge filters have larger area for high flow applications
● DOE or extended stainless steel thread adapter, easy installation into existed housings
● Condensate wound filters own wide chemical compatibility for oil, water, acids and alkalis
● Condensate Filtration
● Cooling and Boiler Water
● Water filtration for power generation
● RO Prefiltration and desalination of sea water
Operation Data for Power Plant Wound Cartridges
| Maximum Operating Temperature | Polypropylene: 60℃(140℉) |
| Bleached Cotton with SUS Core: 150℃(300℉) | |
| Glass Fiber with SUS Core: 400℃(750℉) | |
| Max. Differential Pressure | 2.7 bar at 27 ℃(50 psi at 80℉) |
| 1.4 bar at 60 ℃(20 psi at 140℉) | |
| 0.7 bar at 82 ℃(10 psi at 180℉) | |
| Recommend Change out Differential Pressure | 2.0 bar (29 psi) |
| Construction of Power Plant String Wound Cartridges | ||
 | ● The picture is the cross-section of string wound cartridges ● High dirt holding capacity, high flow rate and long service time ● Honeycomb construction without using adhesives and no fine fibre drop out ● From outer layers to inner layers condensate wound filters are loose to tight ● Multilayered structure and depth filtration pattern ensure good filtration efficiency ● High quality condensate wound cartridges for compatibility with wide range of process fluids | |
Manufacturing, Packaging & Installation of String Wound Cartridge Filters
Manufacturing: High quality FDA approved pp/cotton/glass fiber wound yarn materials and perfect quality management system to keep high output
Packaging: For 60" or 70" is extra long and heavy, also include some end caps, use non-fumigation wooden box packaging to keep safety in transportation
Installation: 60" or 70" string wound cartridges are easy to be installed into the housing and low maintenance cost, can help to save much labor cost and time
| ESW | Filter Media | Length | ID | OD | Micron Rating | Core Material | End Cap |
ESW Series String Wound Cartridge Filters | PP = PP | 60 = 60"(1524mm) | A = 28mm | C = 61mm | 1 = 1μm | P = PP | D= Double Open End(DOE) |
| 5 = 5μm | |||||||
| 10 = 10μm | EX = Extended Core | ||||||
| BC = Bleached Cotton | 20 = 20μm | S4 = SUS 304 | |||||
| 70 = 70"(1778mm) | B = 30mm | M = 63mm | 30 = 30μm | T24 = Extended Thread Adapter 1 3/16"(1.19") 24 threads/inch | |||
| GF = Threadiness Glass Fiber | 50 = 50μm | ||||||
| 75 = 75μm | S6 = SUS 316 | T20 = Extended Thread Adapter 1/4" 20 threads/inch | |||||
| TF = Twisting Glass Fiber | 100 = 100μm |
For Example:
ESW-GF-60-B-M-5-S4-D
ESW Series String Wound Cartridge Filters - Threadiness Glass Fiber - 60"(1524mm) - 30mm - 63mm - 5μm - SUS 304 - Double Open End (DOE)
Special specifications String Wound Cartridge Filters for Power Plant Condensate Filtration can be customized, such as special ID, OD, length and end caps etc.
Hongtek Filtration Co., Ltd.
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