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Filter Bag Accessories

There are several accessories for use in bag filter housings such as restrainer baskets and hold-down rings which come with the bag filter housing, but others like bag positioners, magnetic separators and displacement balloons contribute to less product loss, longer filter bag life and a safer work environment.

 

Restrainer (support) Basket

Eaton restrainer basket
Used to fully support a filled filter bag, reducing chance of rupture once filled.  The standard design is made of 316SS and has 9/64" perforations.  The bottom of the filter bag should extend all the way to the bottom of the restrainer basket.  We also offer mesh lined versions to "convert" filter housings into large pipeline strainers.  For coarse filtration applications this may be a better alternative than mesh filter bags.  You can request a replacement or spare support basket for any brand bag filter housing. 
 

Hold Down Ring

Eaton hold down ringUsed for applying downward pressure onto the filter bag for better sealing with the restrainer basket.  Hold down rings are not required for all filter housing styles and are not used for SNAP-RING™ filter bags. 

bag positioner with magnetic insert

Bag Positioner

Also referred to as "filter bag locks" ensure proper positioning of the filter bag within the restrainer basket.  Bag positioners should be used for all applications that have potential for back pressure (otherwise causes the filter bag to move a lot within the restrainer basket).  They are required for ACCUGAF™, PROGAF™ and LOFCLEAR™ filter bags. 

Magnetic Separators

Are powerful (2000 - 9300 G) rare earth magnetic assemblies that provides the function of a Bag Positioner with the added feature of retention of magnetic particles.  Magnetic inserts are suspended within the filter bag, decreasing the loading of magnetic particles within the filter bag, extending the interval between filter bag changes.

Displacement Balloon

Eaton filter bag displacement balloonIs a hollow stainless steel cylinder suspended within the filter bag to reduce residual fluid when the filter bag needs to be replaced, thereby reducing product loss.  Using a displacement balloon also makes removing the filter bag easier because it weighs less and there's less outward pressure pressing its surface against the restrainer basket.

Splash Guard

leaking vesselsplash guard installed on filter housingsplash guard deflects sprayThis is a safety accessory engineered for FLOWLINE and FLOWLINEII filter housings to protect the eyes and faces of operators from unexpected pressurized spray and "splash" of the filtered fluid.  A broken or misplaced seal, a spike in line pressure, or the failure to fully relieve system pressure before servicing the filter bag vessel can result in potentially dangerous and costly spray.  The Splash Guard deflects the spray downwards and away from the faces of personnel.

 

PARTICLE SIZE CONVERSION CHART

U.S. MESH INCHES MICRONS MILLIMETERS
20 0.0331 841 0.84
30 0.0232 595 0.59
40 0.0165 420 0.42
60 0.0098 250 0.250
80 0.0070 177 0.177
100 0.0059 149 0.149
150 0.0041 105 0.105
200 0.0029 74 0.74
325 0.0017 44 0.044