

The Importance of Stocking Up On Filter Bags
Ensuring a safe and productive workspace means properly maintaining your dust collector filter bags.
Keeping an inventory of filter bags optimal for your application helps you maintain uninterrupted operations. Unexpected filter failures can lead to significant downtime, affecting productivity and potentially causing regulatory non-compliance. By stocking up on the appropriate filter bags, companies can ensure quick replacements, minimize operational disruptions, and maintain optimal air quality standards. Nederman MikroPul offers a comprehensive range of filter bags designed to meet diverse industrial needs.
Using our quick guide below can help you choose the best type of filter bag for your application. Every application has a degree of uniqueness, so if you’re still unsure contact our experts today and we can get you the type of bag for your exact application.
Types of Dust Collector Bags
Pulse Jet Bags
Ideal for dry dust applications, pulse jet bags operate at higher air-to-cloth ratios compared to shaker or reverse air systems. Dust accumulates on the exterior of the bag and is dislodged by a high-pressure blast of compressed air. Typically made from non-woven materials, these bags are compatible with pulse jet units and can be up to 26 feet in length.
Pleated Bags for Pulse Jet Collectors
Pleated bags address issues such as bottom bag abrasion and high-pressure drops. They increase filtration area by 200-300%, reducing air-to-cloth ratios and allowing higher airflow. These bags serve as direct replacements for traditional pulse jet filter bags and cages, offering benefits like reduced emissions and extended filter life.
Reverse Air Bags
Suited for large air volume applications. They are cleaned through a backflush or mechanical flexing of the bag fabric. Features include off-line cleaning with anti-collapse rings to keep bags open during the process. These bags are typically made from woven or lightweight non-woven materials.
Filter Bag Media Options
Selecting the appropriate filter media gives you optimal performance. Nederman MikroPul provides various media types:
- Polypropylene: With a maximum continuous operating temperature of 170°F, it offers excellent resistance to abrasion, moist heat, alkalis, and mineral acids. Ideal for applications with more than 15% oxygen content.
- Polyester: Operating up to 275°F, polyester provides excellent abrasion resistance and is suitable for high oxygen content environments. It offers flexibility with various fabric finishes.
- Acrylic: Suitable for temperatures up to 265°F, acrylic has good resistance to moist heat and mineral acids. It is more expensive than polyester and polypropylene.
- Fiberglass: Handling temperatures up to 500°F, fiberglass is excellent for moist heat applications. However, it has poor resistance to mineral acids unless treated with acid-resistant finishes.
- Aramid: With a maximum continuous operating temperature of 375°F, aramid offers excellent abrasion resistance and good resistance to moist heat and alkalis.
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