Liquid Bag Filters 

Media Selection Chart

 

 

 

 

FALA filter media chemical compatibility chart

Filter  media
Max.temp

ºC

Aqueous
medium
Aliphatic Solvents
Aromatic
Solvent
Alkaline
Strong Alkaline
Acid
Strong

Acid

Oils, Fats
Polypropylene

felt (PP)

90

to 100

OK
OK
OK

 

OK
x
OK
Ok
OK
Polyester 
felt (PE)
150 to

170

OK
OK
OK
OK
x
OK
OK
OK
Nylon Monofilament(NMO)
150
to

170

OK
OK
OK
OK
OK
x
x
Fair

                                                  

FALA Liquid bag filter selection

Nominal 

Rating

1
5
10
25
50
80
100
125
150
200
250
300
400
600
800
PP
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PE
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
NMO
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Type of  FALA filter media ( USFDA listed material ) 

FELTS media are made by needle punched method that made into three dimensional material with certain thickness. Has the chracteristic of high in void volume, and operating on the principal of depth filtration.  When tailored into liquid bags filter, are effective at removing any solid particles, beside, depth type media has itself create countless tortuous path that is excellent for purification liquid with gelatinous inclusion.

 

                                                                                                                                     X-Sectional view of FELT type material (inner material seen with certain thickness)

( Eg. FALA Polypropylene-PP & Polyester-PE felt material)

Note: When needed, an external vail as seen here can be provided to act as a down stream protection layer. It cover over the entire felt media. ( This is for critical application mean to enhance filtration efficiency,eliminate fiber release and improve product cleaniness) 

 

 

NYLON MONOFILAMENT MESH are netting type material with fix pore size (absolute filtraton). Is operating on the principal of surface filtration. This type of media do not have depth as oppose to felt material. Fix opening are acheived  by thermally fusion welded when each strand of filament meet, or cross each other path during weaving process.

Eg. like steel wire mesh

(Sample : 400 micron FALA Nylon Monofilament bag filter on display)

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