Proper Filter Bag Tension
► Premature bag failure results from unnecessary stresses to the yarns and sewing threads of the bags, and typically failures occur around the cuff and anti-collapse rings.
► Excessive tensioning also prohibits the proper flexing needed to release the dust cake during the cleaning cycle.
► Allows excessive horizontal movement causing bag-to-bag abrasion.
► Too much slack allows the bag to fold over the thimble and these creases are sandblasted from the inlet dust.
► The flexing at these folds also leads to self-abrasion of the fabric.
► The bag collapses, choking off and preventing the dust from falling out of the bag. This causes dust re-entrainment resulting in a higher delta P across the bags and reduced air flow.
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