The Classic Micron-Rated Felt Filter Bags
The Strainrite Companies offer the widest range of needle punch felt filters in the market. We have formed long-term strategic partnerships with North America's largest and most respected needle punch manufacturers.
Technical Specifications
Filtration Performance
| Specification | Detail |
|---|---|
| Available Micron Ratings (Polypropylene) | 0.5*, 1T, 1, 3, 5, 10, 25, 50, 75, 100, 150, 200 |
| Available Micron Ratings (Polyester) | 0.5*, 1T, 1, 3, 5, 10, 25, 50, 75, 100, 150, 200 |
| Available Micron Ratings (Nomex) | 1, 5, 10, other microns available on request |
| Available Micron Ratings (Nylon) | Available on request |
Materials & Compliance
| Specification | Detail |
|---|---|
| Material Options | Polypropylene felt (SP), polyester felt (AP), Nomex (HT), nylon (N) |
| Polypropylene Chemical Compatibility |
Acids: Excellent (200°F) Alkali: Excellent (200°F) Oxidizing agents: Excellent (200°F) Solvents: Average (200°F) |
| Polyester Chemical Compatibility |
Weak acids: Good (300°F) Strong acids: Good (300°F) Weak alkali: Poor (300°F) Strong alkali: Poor (300°F) Solvents: Very good (300°F) Petroleum products: Very good (300°F) |
Physical Specifications
| Specification | Detail |
|---|---|
| Size Options |
Size 1: 7" x 16" Size 2: 7" x 32" Size 3: 4.08" x 8"* Size 4: 4.08" x 14"* Size 25: 4" x 9"* Size 30: 4.118" x 10"* Size 50: 4" x 21"* Size 65: 4.118" x 22"* |
| Ring Options |
P: Polypropylene P-flange M: Polypropylene M-flange PER: Polyester P-flange MER: Polyester M-flange DS: Draw string* S: Carbon steel ring* SS: Stainless steel ring* PR: Polypropylene ring* N: No ring* Z: Polypropylene Z-flange** (fits size 25, 50 bags only) |
| Finish Options |
S: Singed P: Plain B: Singed both sides* C: Cerex cover* N: Nylon mesh cover* |
| Options | WE: Sure-Weld, HS: Handle-strap*, AS: Fully stitched* |
Product Overview
All of our fabrics are manufactured on state-of-the-art high speed needling equipment that continuously monitor key specifications in real time resulting in the most uniform and consistent fabric across the entire web in our industry.
By combining our technically advanced converting process with the industry's most reliable media, The Strainrite Companies offers The Classic, a felt filter bag that leads in product quality, reliability and repeatability.
Features & Benefits
Felt filter bags offer several distinct advantages over standard string wound and melt blown cartridges
Hygienically superior due to inside-out flow dynamics, all impurities are contained inside the filter bag
Lower total costs due to higher solids loading capabilities
Reduced labor costs from fewer change-outs
Fewer spent filters resulting in reduced disposal costs
Reduced product loss due to lower hold up volumes
User friendly because it is easier and quicker to change one filter bag versus several 10" cartridges
Recommended Vessels
Vessels and housings recommended for use with this product.
Markets & Applications
Paints & Coatings
General Chemical
Produced Water from Gas Drilling
Process Water
Ink Industry
Food and Beverage Industry
