FRS-30 coarse filter cotton

FRS-30 Coarse filter cotton
Washable and reusable
Low initial resistance
Large dust holding capacity
Flexible

FRS-30 coarse filter cotton,pre-filter air filter cotton,cotton filter

 

Application: ≥5μm, Filter dust , (especially used in the train or the subway, where the place has air-conditioner), pre-filter through air filter program

Type: supply pads or rolls size

Media: synthetic fiber with gradual density, inlet side is blue.

Washable: about 4-5 times

EN779 class: G3

Average arrestance:88%(ASHRAE52.1-1992)

EUROVENT4/5 class: EU3

DIN53438  Non-flammability Standard: F1 

Final resistance:  (suggested) 150Pa-250Pa

Max. Dust holding capacity: 520g per square meter

Temperature resistance: 100°C

 

Feature: 1, Washable and reusable

                       2, Low initial  resistance

                       3, Large dust holding capacity

                       4,Flexible

                        5, Economical and practical

Type	Dimensions			Rated air velocity(m/s)	Initial pressure drop (Pa)	Rated air flow(m2/h)
	Length(m)	Width(m)	Thickness(mm)
Rolls	20	1/2	15 ± 2	1.5	20	5400

 

 

 

FRS-20  Coarse filter cotton

 ·Washable and reusable

·Low resistance

 ·Excellent flame retardant

 ·Flexible

 ·Economical and practical

Application:  ≥5μm , Filter dust (especially used in the train or the subway, where the place has air-conditioner), pre-filter through air filter program

Type: pads or rolls size

Media: synthetic fiber with gradual density.

Washable: about 2-3 times

EN779 class: G2

Average arrestance:75%(ASHRAE52.1-1992)

EUROVENT4/5 class: EU2

DIN53438  Non-flammability Standard: F1 

Final resistance:  (suggested) 100Pa-(max)200Pa

Max. Dust holding capacity: 430g per square meter

Temperature resistance: 100°C

 

 

Type	Dimensions			Rated air velocity(m/s)	Initial pressure drop (Pa)	Rated air flow(m2/h)
	Length(m)	Width(m)	Thickness(mm)
Rolls	20	1/2	10 ± 2	1.0	18	3600

 

FRS-40 Coarse filter cotton

   ·Washable and reusable

   ·Low initial resistance

   ·Large dust holding capacity

   ·Flexible

   ·Economical and practical

Application: ≥5μm, Filter dust, (used in the places 

where need washing and filtering), 

pre-filter through air filter program

Type: supply pads or rolls size

Media: synthetic fiber with gradual density

Washable: about 7-8 times

EN779 class: G4

Average arrestance:91%(ASHRAE52.1-1992)

EUROVENT4/5 class: EU4

DIN53438 Non-flammability Standard: F1 

Final resistance: (suggested) 200Pa-250Pa

Max. Dust holding capacity: 620g per square meter

Temp. resistance: 100°C

 

 

Type	Dimension			Rated air velocity(m/s)	Initial pressure drop (Pa)	Rated air flow(m2/h)
	Length(m)	Width(m)	Thickness(mm)
Rolls	20	1/2	20 ± 2	1.0	38	3600