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Aramid/Nomex Filter Bags

 

Description:

Nomex filter bag specially applied in cement kiln smoke filtration, Nomex bag filter, Nomex bag filter water repellent. Bag filter Nomex offer one of the best total economies in a filtration system because of higher air to cloth ratios, higher temperature resistant function, and long wearing life .

 

Speciality

1. High Temperature resistant

2. Resists flexing and abrasion

3. Effect of moisture

4. Good chemical resistance

5. Dimensional Stability

6. Flame resistance

 

The technical data of Nomex needled felt

Nomex filter bag, Nomex filter, Aramid filter, Aramid bag filter, Nomex bag filter

Article Name

Nomex needled felt

Ingredients

Fiber

100% Nomex

Scrim

100% Nomex

Weight

g/m2

500

Thickness

mm

2.1

Density

g/m³

0.24

Permeability

L/dm2.min

150

Tensile breaking

strength(N/5cm)

Warp

≥800

Weft

≥1000

Elongation @200N/5cm

Warp

<5

Weft

<5

Maximum shrink

of 90 mins

Temperature(°C)

250

%

≤1

Service Temperature(°C)

Continuous

200

Instant

240

Finishing

Singeing, calendaring

 

Features

1) Performs at high temperatures

Bag filter Nomex   can be used continuously at operating temperatures up to 218°C (425°F) , and can handle higher temperature surges. However, to optimize dust filter  bag wearing  life, continuous temperatures of 204°C (400°F) and lower with minimum temperature surges are recommended.

2) Resists flexing and abrasion

Flex resistance of Nomex filter bag at room temperature is good, about equal to that of polyester fibers; after aging at temperatures of 121°C (250°F) and above its toughness if excellent. Nomex filter bag should give more than three times the wear life of polyester filter bags  at 121°C (250°F) and above.

3) Resists Chemicals

Nomex  filter bag work well in  acid environment, at temperatures above the dew point, will better  perform than  polyester filter bag. Temperature above the dew point should be maintained to minimize chemical attack on Nomex filter bag and the dust collector  equipment. The dust collector system should be warmed before putting on stream and dried before being shut down to minimize chemical attack. To optimize bad life when acid gases are present in the gas stream, the lowest operating temperature that is safely above the dew point should be used. Higher temperatures expedite chemical attack.

5) Dimensional Stability is well for Nomex filter bag

6) High temperatures

The most effective use of Nomex filter bag ,aramid filter bag is in high efficiency filtration  systems  where effluent temperature are above 250°F or in  systems with surges over 250°F. In hot gas filtration systems, Nomex filter bag  require less filter area, for equal gas volume and efficiencies, than fiber glass.

Filter bags, dust collector bag ,dust filter bag , dust bags, filter socks, - they all mean the same thing: An industrial grade fabric filter made from heavy duty material, all textile based, used in dust collecting systems, in either process filtration or pollution control.

 

Applications:

Nomex filter bag for higher temperature dust filtration, widely applied in Asphalt mixing plant, cement Kiln smoke dust filtration in cement plant, steel melting furnace smoke filtration and so on .

NOMEX filter bag  offer one of the best total economies in a filtration system because of higher air to cloth ratios, higher temperature capability, and a long working  life.