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Filter Bag

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Envelope filter Bags

Specification:

We can make the envelope filter bag with different material like Polyester, Aramid, PPS, P84, Acrylic, PTFE, Fiberglass or others. but the most popular material is the polyester felt as following:
polyester filter bag are made of 100% filament polyester fiber,after needle punched, singed heat set calender for the raw polyester filter felt material, then polyester filter felt can be sewn into polyester filter bags.

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How To Check What Kinds Of Filter Bag Needed By Your Bag House?


You just change the filter bag from one economic supplier

1. If you have the filter bag already in hand, then just take some picture for us first. Then we can get knowledge more than 80% if we can make.

2. If you can send us the samples, then we can analyse the sample bag material and treatment.

3. We can make one sample for you to try your bag house within a few days.

 

You have a new bag house to build, you need one new filter bag suggestion:

1. We will send you one investigation file for you to fill, all about your bag house condition, like temperature, chemical content and others. After you fill it back to us, we will suggest you one kind filter bag to try.

2. Our engineer can arrange one online with your engineer or plant investigation for you.

 

Why Do You Choose SFFILTECH Envelope Filter Bag?


Advantages of SFFILTECH envelope filter bag:

product reliability

Technical support for the lifetime of the filter bags

Big stock for order supply stable

Mass production supply with so many years’ experience

Each test for each order by our test person

 

Material of flate filter bag:

The shape of the flat filter bag is flat and rectangular, and the supporting is a rectangular dust-proof framework with complete specifications. The thickness of the rectangular dust-proof framework is generally 25-50mm. This structure can make full use of the shell space of the dust remover. Compared with the cylindrical bag filter with the same volume, the filtering area is larger, but the gap between the filter bags should not be too small, otherwise the filter bags will be easily blocked. 
We can make the envelope filter bag with different material like Polyester, Aramid, PPS, P84, Acrylic, PTFE, Fiberglass or others. but the most popular material is the polyester felt as following:
polyester filter bag are made of 100% filament polyester fiber,after needle punched, singed heat set calender for the raw polyester filter felt material, then polyester filter felt can be sewn into polyester filter bags.

 

Feature of polyester ebvelope filter bag:
1. Operation temperature 150 Deg c,
2. the max surge is 150 deg c.
3. good anti-acid, good  anti-alkali ,good hydrolysis stability
4. Mean Air Permeability: 10-15 m3/m2/min@12.7mmH2O
5. It is the cheapest filter media in the bag filter filtration field. Polyester bag filter is the most popular items in the bag house system.                    
 
Available Finish: singed,calendar,heat set PTFE membrane,W/O,anti-static treatment.

 

Advantage:
Polyester bag filters Breaking Elongation is less than 20% for MD and 40% for CMD,low dry shrinkage, can work well in the 130 deg C. the material is cheaper than other material, so widely used in a lot of bag house system.

 

Specific applications of dust filter bags in various working conditions:where will be the filter bag installed in each plant?

 
Scope of application for filter bagCement plant: crushing, grinding, coal grinding, material transportation, dedusting on the top of the warehouse, raw meal grinding, cement grinding, packaging. 
Metallurgical plants: electric furnaces, blast furnaces, desulfurization furnaces, induction furnaces, casting, sandblasting, barrel furnaces.
Power plant: material conveyor, smoke (powder) dust treatment, fly ash storage.
Aluminum plant: fluidized bed dry cleaning tower, venturi jet dry cleaning tower, carbon dust, anode crushing, electrolytic aluminum production dust.
Food: fluidized bed dry cleaning tower, venturi jet dry cleaning tower, self-baking dry cleaning tower, carbon dust, anode crushing, electrolytic aluminum production dust.
Food/pharmaceutical: additives, drying section, flour/grain processing, sugar and pesticide tablets, packaging.
Chemicals: plastic fibers, resins, tires/rubber, coking, bleaching powder, packaging.
Each plant will have different filter bags,for more detail, we have the investigation file for you to choose the right filter bag. Or you can come to us directly, we will give you fully suggestion.



How to install the filter bag in the right way?

Basic commercial terms of polyester filter bag:

Place of Origin

Shanghai, China

Brand Name

SFFILTECH

Certification

ISO

Product Item

filter bag                  

Minimum Order Quantity                      

10pcs, sample 1pcs

Price

Contact us to get an exact quotation

Packaging Details

The inner packing is in plastic bags
The outer packing is in carton
Large volume can also support custom packaging

Delivery Time

10-30 days. According to the specific order quantity.

Port of shipment

Shanghai, Ningbo, Qingdao, Lianyungang, Guangzhou, Shenzhen or Others

Payment Terms

30% Deposit, balance TT on copy B/L. Other payment methods can be negotiated according to the order requirements

Supply Ability:

100000pcs/month

 

How to become the SFFILTECH filter bag agent?


Our reputation for reliability is based on many years of experience in the field, especial for china big filter bag market application and mass production. For example, steel plant, for top 10 enterprise, china have 6 from the 10 enterprise.so we have widely application experience for our filter bag in the bag house system. Here is the summer of the reason why we can be reliability.

 

Test equipment for each order

Mass production supply and get skilled from such experience

High quality needle punch production line

Auto filter tube production line

Skilled workers with more than 15 years’ experience

 

We have widely china market and also the abroad market to support our filter bag business more and more expert.

 

System approach

Once you are become our partner for agent or end user, we will get trusted, time-honored manufacturer and a system approach to your special requirement.

 

We will offer you the following:

Determine, design and manufacture the filter bags that fit your specific application and process

Analyze and optimize your total system performance

Provide technical support and troubleshooting for the lifetime of the filter bags

 

The step of You become the SFFILTECH filter bag agent 

1. Check our company detail and if you prefer to be our partner in future

2. Check your market in your country if any chance to work in the filter feild

3. Then Email to us if you interest to join with us.

 

FAQ about envelope filter bag

 

Q: Can you offer free samples for envelope filter bag?

 R: Yes, SFFILTECH industry will offer free samples for approval quality

 

Q: How about your sizes type for envelope filter bag?

R:Envelope filter bag usually like 130mm*3m or 130mm*6m or 125mm*3m or any other customized size accordingly to your bag house hole and the height of the bag house

 

Q: How about leading time for envelope filter bag?

R: Based on your QTY requirement, SFFILTECH offering leading time for reference:

Sample Order: 1-7 days 

OEM Order: 7-30days after deposit. 

 

 Q: How about envelope filter bag after-sales services?    

R: 1 year warranty after we both sign the plant investigation usually for this one

 

Polyester Filter Bag

 

PTFE membrane

 

Anti static water and oil repellent

 

Mix anti static filter bag

 

Reverse Filter Bag

 

Aramid Filter Bag

 

Fiberglass filter bag

 

P84 Filter Bag

 

Acrylic Filter Bag

 

FMS Filter Bag

 

PPS Filter Bag

 

PP Filter Bag

 

PTFE Filter Bag

 

Envelope filter Bag

 

Pleated filter Bag

 

Basalt Filter Bag

 


Polyester filter bag widely used in mine, limestone, cement, iron and steel industries,alumina delivery, electrolytic aluminum, non-ferrous metal production, wood processing, food processing and pharmacy industry.

Pre production sample testing, bulk production sampling testing

 

Mass production

The workshop of dust filter bag

 

The workshop of liquid filter bag 

 

Packing & Shipping

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