Tianjin, China
Business Type:
Trading Company
Business Range:
Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, ...
Management System Certification:
ISO 9001
Terms of Payment:
LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram, Alipay
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Filter Bag, Needle Felt Bag, Dust Collection Filter Bag manufacturer / supplier in China, offering Dust Air Collector Filtration System Non-Woven Felt Filter Bag, Industrial Dust Collector Filter Sock, Cnp Industrial Cyclone Dust Collector (CNCO) and so on.

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Dust Air Collector Filtration System Non-Woven Felt Filter Bag

Get Latest Price
Min. Order / Reference FOB Price
50 Pieces US $2.95-6.5/ Piece
Port: Tianjin, China
Production Capacity: 50000PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Material: Non-woven
Medium Material: Synthetic Fiber
Cartridge Filter: Non-Woven Polyester Fiber
Filter Bag Filter: Outside the Filter Type
Type: Pocket Filter
Usage: Dust Filter

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Basic Info

Filtration Grade
HEPA Filter
Filter Bag Sectional Shape
Round Bag
Filter Bag Environment
Cartridge Installation
Vertical Lifting
Filtration Material 1
Polyester or Pet
Filtration Material 2
Filtration Material 3
Polyphenylene Sulfite
Filtration Material 4
Polytetrafluoroethylene or PTFE
Filtration Material 5
Polypropylene or PP
Filtration Material 6
Nomex or Aramid
Filtration Material 7
Filtration Material 8
Stainless Steel
Industry 1
Cement Plant
Industry 2
Steel Plant
Transport Package
Corrugated Box
130mm diameter X 5000mm Length
HS Code

Quality supply replace air dust collector filter bags

1. long work life
2. High dust collection efficiency 
3. Many types of material can suit for many industry and dedusting case

Dust Air Collector Filtration System Non-Woven Felt Filter Bag

Product Description



When the dust gas through the filter bag. The dust will be block on the filter bag surface. The clean gas will pass away. So we can say that,The filter bag is the core of the dust filter. Or, you can consider it as the lung in our body.




The filter bag has the strict requirements on design, filter material cutting, woven technology etc. These requirements are very important for the filtration operation, maintenance and even the service life of the bag filter.


Please see our  picture poster as following:

Dust Air Collector Filtration System Non-Woven Felt Filter Bag

Business Operation




The diameter of the filter bag should around 115 mm diameter to 200mm diameter.  The filter bag length should 2000 - 9000mm, the specifications of the commonly used filter bag is 125 - 170 mm diameter,  2000 ~ 6000mm length.


The oval, flat, envelope and support ring types of filter bag, please be sure to enquiry for us with detailed information. 

Dust Air Collector Filtration System Non-Woven Felt Filter Bag

First of all, we need to confirm the detailed size of filter bag with our customer. After received your confirmation or agreement, we should begin for processing. If the drawing can not clearly or need filter bag sample to trail installment, we should provide the confirmed size filter bag sample before the purchase order processing. 

After then, we should begin to processing. We will make the filter fabric first. After then, we will sewing the filter fabric into the filter bag. For more detailed information, please reference the above processing picture. 
Dust Air Collector Filtration System Non-Woven Felt Filter Bag

When we finish the manufacture, the filter bag should begin to rechecking. As you know, even if one filter bag broken. It will be the 100% result for the dust filter equipment bad working. So, it is our the most important step for all. We must assure it can work correctly 100%. Not 99.9 or 99.99%. We must assure it 100% correctly. We must assure it 100% corrctly!. The important things three times....

Working Occasion


Please see the following working circumstance. The filter bag is often used in dust filter equipment and replace the filter bag in dust filter equipment. So, please reference the dust filter (dust collector) working occasion. Please be sure to inquiry us by following e-mail table directly. Hope that we can give you more professional suggestion for reference.

Dust Air Collector Filtration System Non-Woven Felt Filter Bag



Filter bag materialWorking temperatureChemical propertiesApplication 1  Application 2
Polypropylene needle feltup to 90 degreeGood for Acid and Alkali gasGrainHigh chemical gas and less temperature
Polyester needle feltUp to 130 degreeGood for Acid and nomal for AlkaliEvery Dust CollectionTemperature lower than 130 degree
Acrylic needle feltUp to 130 degreeGood for Acid and Alkali gasEvery Dust CollectionChemical stronger than polyester suitalbe
Nomex needle feltUP to 200 degreeGood for Acid and nomal for AlkaliAsphaltCement dust
PPS (Polyphenylene Sulphide) Needle feltUp to 190 degreeGood for Acid and Alkali gas. Bad for OxygenCoal fired dust gasSulphur
P84 (Polyimide) Needle felt Up to 240 degreeGood for Acid and Alkali gasIncinerationTemperature lower than 240 degree
PTFE (Polytetrafluoroethylene) needle feltUp to 260 degreeGood for Acid and Alkali gasMixed Chemical gasTemperature lower than 260 degree
Glass fiber woven bulk yarnUp to 280 degreeGood for Acid and Alkali gasCement kilnCoal fired dust gas
Glass fiber mixed needle felt Up to 280 degreeNomal for Acid and Alkali gasAcid gasTemperature lower than 280 degree


Company Information


CNP Co., Ltd. was founded in 2008, specializes in the field of air pollution control and bag filters. Including engineering design, planning, consulting, equipment research and development, manufacturing, sales, installation and commissioning, as well as production and services.


Based on the high starting point, CNP Co., Ltd., with a positive and upward pioneering spirit, will further create brilliancy as to technological innovation, intellectual property rights and independent brand strategy.

Dust Air Collector Filtration System Non-Woven Felt Filter Bag



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