ALSI

gravityfilter

Efficient Filtration

A Gravity Band Filter is simple in design and yields high performance with advantages to liquid filtration not available in other products. It is engineered to function with few moving parts. The contaminated fluid is pumped into the filter and forced through the media via gravity and a unique inlet feed system. UHMW wheels seal the ends of the flatwire belt and unique media edge side seals prevent filtrate bypass. As solids accumulate on the filter media, the chamber liquid level rises to meet a pre-set limit. The carrier belt discharges the spent media and solids out the other end. The media and solids are then dropped into a receptacle and the used media can be rewound for easy disposal. Clean filtrate is discharged from the bottom section. The flight scrapers assure solids are removed from the filter bed.

Features

  • Efficient filtration with automatic self-indexing operation
  • Requires minimal operator intervention
  • Many filter medias available
  • Open design with guards
  • Easy access to drive system
  • Edge seal design
  • Automatic adjusting seal pressure
  • Chemically inert materials of construction

Applications

  • Alkaline/caustic cleaner baths
  • Hydrocyclone underflow
  • Coolant filtration (oil, water soluble emulsions, and synthetics)
  • Plating baths
  • Wastewater treatment system

Standard

  • Electrical supply failure safety: Secures chamber seals and doors during power loss.
  • ALSI positive side seal
  • Media jog switch
  • NEMA 12 standard
  • Float style level control

Gravity Band Filter 2019 3Optional

  • Integral hydrocyclone installation
  • Media rewind assembly
  • Pump and stand
  • Sloped drain pan
  • Media index switch
  • Low level alarm
  • Filter flow alarm
  • NEMA 4/7
Models Flow Range Inlet
150lb FLG
Outlet
150lb FLG
Dimensions
LxWxH
ALBF2.5-30 65 - 150 GPM
15 - 30 m3/hr
4”
DN 100
6”
DN 150
57”x43”x43”
1.4x1x1m
ALBF2.5-48 110 - 275 GPM
30 - 60 m3/hr
4”
DN 100
6”
DN 150
57”x61”x43”
1.4x1.5x1m
ALBF3.25-48 145 - 365 GPM
35 – 80 m3/hr
6”
DN 150
8”
DN 200
67”x63”x52”
1.7x1.6x1.3m
ALBF3.2-72 225 - 565 GPM
60 - 125 m3/hr
6”
DN 150
8”
DN 200
67”x87”x52”
1.7x2.2x1.3m
ALBF4-72 280 - 705 GPM
75 - 160 m3/hr
8”
DN 200
10”
DN 250
77”x89”x62”
1.9x2.2x1.5m
ALBF4-96 350 - 955 GPM
95 - 215 m3/hr
8”
DN 200
10”
DN 250
77”x113”x62”
1.9x2.8x1.5m

Click Here for ALSI Literature on Gravity Band Filter.

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