Custom snap band filter bags designed for quick installation, reliable tube sheet sealing, and stable dust collection performance in pulse-jet baghouse systems.
What Is a Snap Band Filter Bags?
Snap band filter bags are dust collector filter bags designed with a flexible metal snap band sewn into the top cuff of the bag. During installation, the snap band is slightly compressed and inserted into the tube sheet hole of the baghouse. Once released, the snap band expands and locks firmly against the tube sheet, creating a secure seal between the filter bag and the dust collector.
This design is commonly used in pulse-jet baghouse dust collectors, where filter bags need to be installed, removed, and replaced efficiently. Compared with some traditional bag top designs, snap band filter bags provide easier installation and more reliable sealing performance.
A properly fitted snap band helps prevent dust leakage from the dirty air chamber into the clean air chamber. It also helps reduce air bypass, unstable emissions, and premature filter bag failure caused by poor sealing. For this reason, the correct snap band size, tube sheet hole diameter, filter bag cuff structure, and installation method are all important for stable dust collector operation.

Key Advantages of Aokai Snap Band Filter Bags
Snap Band Materials: Carbon Steel or Stainless Steel?
Aokai Environtec can provide carbon steel snap bands and stainless steel snap bands according to the filter media, working temperature, dust characteristics, and chemical conditions of the dust collector system.
| Snap Band Material | Recommended Use | Advantages |
|---|---|---|
| Carbon Steel Snap Band | Commonly used for polyester, fiberglass, FMS, and aramid/Nomex filter bags | Cost-effective, stable, and suitable for many standard dust collection applications |
| Stainless Steel Snap Band | Recommended for acrylic, PPS, P84, PTFE filter bags, or applications with moisture, acid, alkali, or chemical corrosion | Better corrosion resistance, better durability, and more suitable for demanding working conditions |
Available Filter Media Options for Snap Band Filter Bags
Aokai Environtec can manufacture snap band filter bags with different filter media according to working temperature, dust characteristics, moisture level, chemical composition, emission requirements, and dust collector operating conditions.
Applications of Snap Band Filter Bags
Steel & Metallurgy
Cement & Building Materials
Power Generation
Waste Incineration
Chemical & Mining
Asphalt Mixing Plants
How to Install Snap Band Filter Bags?
Custom Options
Aokai can customize snap band filter bags according to your dust collector requirements.
- Top design: snap band cuff, flange, ring, raw edge, or other customized top designs
- Bottom design: disc bottom, reinforced bottom, or customized bottom
- Diameter and length: made according to your drawing or sample
- Surface treatment: PTFE membrane, water & oil repellent, anti-static, acid and alkali resistance
- Sewing thread: polyester, aramid, PTFE, fiberglass, or other high-temperature thread
- Cage matching: filter bag and dust collector cage can be supplied togethe











