Sefiltec
competence in filtration
Haldenstrasse 11
CH-8181 Höri
+41 (0)43 411 44 77 
 

Filter bags

Filter bags are general-purpose and are normally available from stock.

Felt bag depth filters

Materials
Polypropylene, polyester, nylon, Nomex, cotton and Teflon 
  Filzbeutel
Finenesses
1 – 200 µm (nominal separation efficiency)
 
Version 
: SnapRing (metal ring sewn-in) and Sentinel ring (plastic collar) 
 
Sizes 
01 = filter area 0.25 m2/Ø 180 mm X L 430 mm
02 = filter area 0.50 m2/Ø 180 mm X L 810 mm
03 = filter area 0.05 m2/Ø 100 mm X L 230 mm
04 = filter area 0.10 m2/Ø 100 mm X L 380 mm  
 

Fabric bags (monofilament)

Materials
Nylon thermo-setting, polypropylene, polyester, PEEK 
  Gewebebeutel

Finenesses
5 – 1‘200 µm   
Version 
: SnapRing (metal ring sewn-in) and Sentinel ring (plastic collar) 
 
Sizes 


01 = filter area 0.25 m2/Ø 180 mm X L 430 mm
02 = filter area 0.50 m2/Ø 180 mm X L 810 mm
03 = filter area 0.05 m2/Ø 100 mm X L 230 mm
04 = filter area 0.10 m2/Ø 100 mm X L 380 mm  
 

High-efficiency bags

Materials
Depth filter, multi-layer made of polypropylene and/or non-woven polyester 
  Hocheffizientbeutel


Finenesses 
1 – 50 micron absolute
 
Version
: Sentinel ring (plastic collar) 
 
Sizes 

01 = filter area 0.25 m2/Ø 180 mm X L 430 mm
02 = filter area 0.50 m2/Ø 180 mm X L 810 mm
03 = filter area 0.05 m2/Ø 100 mm X L 230 mm
04 = filter area 0.10 m2/Ø 100 mm X L 380 mm
 
 

MAX-LOAD pleated Filter Bags

Material

Extended- life Polypropylene or Polyester needle- felt 
  MAX-LOAD pleated Filter Bags




Finenesses 
1 -100 Micron (nominal retention ratings)

 
Version : Pleated filter bags with high effective filter area are manufactured from nominal rated extended-life needle felt with Sentinel seal ring provides 100% bypass- free filtration. Material does not contain crater- forming substances. 

 
Size
: 01 = filter area 0,8 m2 (8.6ft2) / Ø 180mm X L 345mm (7 X 14“)
02 = filter area 1,6 m2 (17.2 ft2) / Ø 180mm X L 730mm (7 X 29“)
Fits into all Sefiltec standard size 01 and 02 restrainer baskets
 
 
Advantage

: The expectional construction increases the filter bags dirt- holding capacity and life- time by up to ten times more than a standard needle felt filter bags. Lowers maintenance and disposal costs due to longer life-time. 

 
 

HAYFLOW bags

Material

Filter bags with 65% greater filter area made of polypropylene felt and polyester felt 
  Heyflow Filterbeutel



Finenesses 
1 – 100 micron nominal separation efficiency 
 
Size
: 02 with Sentinel ring (plastic collar) 

 

 
 
 

Drawstring bags/special-purpose bags

We can also manufacture made-to-measure filter bags.
Drawstring bags with cord, for open/static filtration without casing.

Fine-mesh baskets

Material

Filter bags with 65% greater filter area made of polypropylene felt and polyester felt 
 




Finenesses
25 to 5‘000 µm   
Size
: Available in sizes 01, 02, 03 and 04