Hongtek Filtration Co., Ltd.

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Home Parts Truck Parts Water truck parts Water truck pumps PSW series PP String Wound Cartridge Filters
PSW series PP String Wound Cartridge Filters
  • PSW series PP String Wound Cartridge Filters
  • PSW series PP String Wound Cartridge Filters
  • PSW series PP String Wound Cartridge Filters

PSW series PP String Wound Cartridge Filters

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Product Description


PSW Seires PP String Wound Cartridge Filters are manufactured with honeycomb construction with FDA approved polypropylene wound yarn material, with outer layers loose while inner layers  tight. Hongtek uses computer modeling process which optimizes pp string wound cartridges geometrically and maximizes the use of cartridge surface area by the diamond-shaped depth filtration cones.

PP wound cartridges strengthen the density design to provide high flow rate, low pressure drop and excellent dirt holding capacity. PP string wound filters are effective in many industrial processing, such as pre-RO filtration, food & beverage, chemical filter solution, waste water treatment and petrochemical process etc. PP string wound cartridges are economical solutions to reduce fine sediment, including sand, silt, rust and scale particles.

Filter Media Polypropylene
Length 5", 9.75", 9.8", 10", 20", 30", 40", 50" (According to customers requirements)
Inside Diameter 28mm, 30mm (Special ID can be customized)
Outside Diameter 2.4"(61mm), 2.5"(63mm), 2.55"(65mm) 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, 222/Flat(SOE), 222/Fin(SOE), 226/Flat(SOE), 226/Fin(SOE)

Food & Beverage Pre-RO water filtration PCB industry
Drinking water filter Chemical filter solution Electroplate liquid filtration
Petrochemical process Pharmaceuticals process Electronics and Semiconductor


Operation Data for PP String Wound Cartridge Filters

Maximum Operating Temperature 60 ℃(140℉)
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℉)
Liquid Flow Direction Outside to inside
Recommend Change out Differential Pressure 1 bar (14 psi)

Pressure Drop vs Flow Rate of 10" PP String Wound Cartridge Filters


Tech Support
Construction of PP String Wound Cartridge Filters

● The picture is the cross-section of pp wound cartridges

● High dirt holding capacity,high flow rate and long service time

● From outer layers to inner layers the wound yarn are loose to tight

● Honeycomb construction without using adhesives and no fine fibre drop out

● Multilayered structure and depth filtration pattern ensure good filtration efficiency

● High quality pp string wound filters for compatibility with wide range of process fluids

Production of PP String Wound Cartridge Filters


Wound Yarn Materials: All pp wound yarns are made of high quality FDA approved nonpollution pp materials, so keep the advantage of filter material industry

Filters Workshop: One of largest workshop of pp string wound filters China, high out put & fast delviery time, superior quality, excellent management system

Wound Cartridges Warehouse: Scientific storage and warehouse of pp wound cartridges are also important, clean and moisture-resistant warehouse to the benefit of good delivery efficiency

Container Shipment: PP string wound cartridges are convenient to be loaded into Containers, forklift is quick action for cartons or pallets, save some spaces and times, safety transport for the shipment

Oder Information
PSW ID OD Micron Rating Length Core Material End Cap Gasket/O-ring

PSW Series

PP String Wound Cartridge Filters

A = 28mm C = 61mm 1 = 1μm 5 = 5" P = PP D = DOE S = Silicone
5 = 5μm 9.75 = 9.75"
M = 63mm 10 = 10μm 9.8 = 9.8" T = 222/Flat(SOE) E = EPDM
20 = 20μm 10 = 10" S4 = SUS 304
B = 30mm 30 = 30μm 20 = 20" O = 222/Fin(SOE) V = Viton
F = 65mm 50 = 50μm 30 = 30"
75 = 75μm 40 = 40" S6 = SUS 316 P = 226/Flat(SOE) U = Buna
100 = 100μm 50 = 50" L = 226/Fin(SOE)

For Example:


PSW Series PP String Wound Cartridge Filters - 28mm - 63mm - 5μm - 40" - PP Core - Double Open End (DOE)

Special specifications PP String Wound Cartridge Filters can be customized, such as special ID, OD, length and end caps etc.

Product Image

PSW series PP String Wound Cartridge FiltersPSW series PP String Wound Cartridge FiltersPSW series PP String Wound Cartridge Filters
Company Profile

Business Info (公司经营范围)

Business Range: Industrial Equipment & Components , Manufacturing & Processing Machinery

Management Certification: ISO 9001

Main Products: High Flow Filter Cartridges, High Flow Pleated Filters, PP Melt Blown Filters, Water Filter Cartridges, High Flow Filters, Pleated Filter Cartridges, Carbon Block Filters, String Wound Filters, Water Filter Bags, Filter Housings




Hongtek brand concept: Make Better Filtration! 


Hongtek Filtration Co., Ltd. is famous for high-tech filtration, separation and purification, committed to provide high quality filtration solution to meet worldwide customers various needs with good service, struggle for health, safety and environment friendly sustainable development. 

Since 2000, Hongtek specialize in better filtration solution, supply good quality high flow water filters & housings to a diverse range of customers in water treatment, food & beverage, electronics, oil & chemicals, petrochemical, sea water desalination, power generation industry etc. We are always committed to create more value for customers and engage in win-win business. 

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