As with FSI's filter vessels, FSI International is the exclusive Western Canadian distributor of filter bags for Filter Specialists, Inc., of Michigan City, IN, USA. FSI Filter Bags are produced using integrated technology, meaning quality is controlled from fibre to finished product.

FSI manufactures both single-layer and multi-layer filter bags in a variety of micron ratings applicable for vessel and open filtration systems. FSI filters work best with FSI Bag Filter Vessels.

FSI's Polyloc™ Liquid Filter Bags provide a 100% hermetic seal, and address many filtration concerns:

» The patented Polyloc™ seal ring provides complete hermetic sealing
»  Fibre migration is virtually eliminated by locked fibre ends
»  Built-in handles make bag changes simple and prevent spillage Variety of materials available to suit almost any application:

PolyWeld™ Liquid Filter Bags reduce contaminant leaks and fibre migration. The PolyWeld™ bag's welded seams eliminate completely the possibility of unfiltered liquid bypass occurring due to needle holes. PolyWeld™ bags are available in Polymicro™ polypropylene or standard polypropylene felt. Advantages:

» A tighter seam
»  Higher bag filtration efficiencies
»  Improved finished-product yields
»  No-thread construction means no possibility of silicone contamination
»  No leaks through thread holes