Hongtek Filtration Co., Ltd.

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NPP series PP Melt Blown Filter Cartridges
  • NPP series PP Melt Blown Filter Cartridges
  • NPP series PP Melt Blown Filter Cartridges
  • NPP series PP Melt Blown Filter Cartridges

NPP series PP Melt Blown Filter Cartridges

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Product Description


NPP Series Nominal PP Melt Blown Filter Cartridges are made of 100% FDA approved polypropylene material, without binders, additives and lubricants. PP melt blown filter elements are manufactured to suit different pore diameter of nozzle-spraying melt blown machines. PP melt blown filters have multi-layered constructions with fine fibers in inner layers while in outer layers fibers are coarse, which lead to progressive contaminant removal efficiency and consistency of good performance.

PP melt blown filter cartridges own high dirt holding capacity, low pressure drop, high flow rate, good chemical resistance, long service life and effective filtration for suspended particle, sediment and other kinds of impurities, also, there is no fibre released. PP melt blown cartridges are economical and classical filter media, which are widely used in liquid prefiltration industries.

Filter Media Polypropylene
Length 5", 9.75", 9.8", 10", 20", 30", 40", 50", 60", 70" (According to customers requirements)
Inside Diameter 28mm, 30mm (Special ID is accepted)
Outside Diameter 2.36"(60mm), 2.4"(61mm), 2.5"(63mm), 2.55"(65mm) (Special OD is accepted)
Filtration Rating 1μm, 5μm, 10μm, 20μm, 30μm, 50μm, 75μm, 100μm
Gasket/O-ring Silicone, EPDM, Viton, Buna
End Cap DOE, 222/Flat(SOE), 222/Fin(SOE), 226/Flat(SOE), 226/Fin(SOE)

Food & Beverage Plating solution PCB industry
Chemicals and Solvents Pre RO/ID water filtration Pharmaceuticals
Petrochemical Process Industrial waste water treatment Electronic Industry


Operation Data for PP Melt Blown Filter Cartridges

Maximum Operating Temperature 60 ℃(140℉)
Max. Differential Pressure 3.0 bar at 27℃ (43 psi at 80℉)
2.0 bar at 60℃(29 psi at 140℉)
1.0 bar at 60℃(14 psi at 140℉)
Liquid Flow Direction Outside to inside
Recommend Change out Differential Pressure 2.5 Bar

Pressure Drop Rate of 10" PP Melt Blown Filters


Tech Support
Construction of PP Melt Blown Filter Cartridges

● The cross-section drawn of PP melt blown filter cartridges

● From inner layers to outer layers of PP filters the fiber is fine to coarse

● Multilayered structure and depth filtration pattern ensure good filtration efficiency

● Formed by thermal bond without using of any binders, adhesives and and lubricants

● 100% FDA approved polypropylene for compatibility with wide range of process fluids

Working Principle of PP Melt Blown Cartridges


● The drawing is the working principle of layers structure depth pp melt blown filter cartridge

● Layers filtration keep pp melt blown filter high flow rate, good filtration efficiency and long service life

● Large particles are filtered in outer layers of melt blown cartridges which are constructed by coarse fiber

● Small particles pass the outer layers, then filtered by inner layers wich made of fine fiber and high precision

Installation of 40" 5 Micron PP Melt Blown Filter Cartridges


● Hongtek brand depth PP melt blown filters used for pre RO water filtration

● The central of PP filter elements are still no polluted, so that keep liquid clear after filtration

● After used PP filters compare with before used can apparent know the good efficiency filtration

● High quality and reasonable price melt blown cartridges increase of longer service life and save much cost

● No fiber drop out, high dirt holding, low pressure drop, high flow rate and high pressure resisting capability

Oder Information
NPP ID OD Micron Rating Length End Cap Gasket/O-ring

NPP Series

Nominal PP Melt Blown Filter Cartridges

A = 28mm C = 60mm 1 = 1μm 5 = 5" D = DOE S = Silicone
5 = 5μm 9.75 = 9.75"
Q = 61mm 10 = 10μm 9.8 = 9.8" T = 222/Flat(SOE) E = EPDM
20 = 20μm 10 = 10"
M = 63mm 30 = 30μm 20 = 20" O = 222/Fin(SOE) V = Viton
B = 30mm 50 = 50μm 30 = 30"
75 = 75μm 40 = 40" P = 226/Flat(SOE)
F = 65mm 50 = 50" U = Buna
100 = 100μm 60 = 60" L = 226/Fin(SOE)
70 = 70"

For Example:


NPP Series Nominal PP Melt Blown Filter Cartridges - 28mm - 63mm - 5μm - 40" - Double Open End (DOE)

Special specifications PP Melt Blown Filter Cartridges can be customized, such as special ID, OD, length and end caps etc.

Product Image

NPP series PP Melt Blown Filter CartridgesNPP series PP Melt Blown Filter CartridgesNPP series PP Melt Blown Filter Cartridges
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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