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  • HL® Filter Bags
HL® Filter Bags

HL® Filter Bags

  • Product description: HL® Filter Bags
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Features
Welded construction of bags completely eliminates unfiltered liquid bypass from occurring due to needle holes
Available in standard polypropylene, polyester and extended life felt for broad range of product compatibility
Glazed finish eliminates fiber migration for clearer results
HL® ring creates a hermetic seal that prevents liquid bypass and produces clearer results
Polypropylene is FDA food grade compliant to government standards
FDA Compliant Polyester felt is available (non-standard)
Silicone free to eliminate cratering for improved surface results
Available from stock for quick delivery
 
About HL® Felt filter bags

HL® filter bags hold a distinct advantage over all types of needle-sewn bags. The welded seams completely eliminate the possibility of unfiltered liquid bypass occurring due to needle holes. The result is a tighter seam, high bag efficiency and improved finish product yields. In addition, the fused edges of the HL bag provide a fiber-free finish and virtually eliminate unwanted fiber migration. Since the HL bag is not constructed with thread, the possibility of silicone contamination from this source is also removed. FSI’s HL filter bags are available in several different media: standard polypropylene felt, extended life polypropylene felt, and standard polyester felt.


Specifications
filter media
Polyester
Polyester extended life
Polypropylene
Polypropylene extended life
Maximum Operating Temperature
Polypropylene: 200-220° F (93-104° C)
Polyester: 275-325° F (135-162° C)
Micron Rating
BPONG = 1, 3, 5, 10, 25, 50, 100
BPENG = 1, 3, 5, 10, 25, 75, 100, 200
BPOEX = 5, 10, 25, 50 100
BPEEX = 1, 5, 10, 25, 50, 100
Cover
Plain
Sizes
1: 7” x 16” (17.78 cm x 40.65 cm)
2: 7” x 32” (17.78 cm x 81.28 cm)
Ring
Polypropylene HL®
Polyester HL®
Other
Welded Seam Construction


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