Liquid Filtration Guides
The factors must be considered in proper filter media selection including fiber, fabric, finish treatment, and its fabrication
Micron Ratings:
Fiber Properties:
Fiber Characteristics
| Fiber | Resistance | | Max. Operating Temperature
(Continuous/Surge) |
| Organic Solvents | Animal Vegetable & Oils | Micro- Organisms | Organic Acids | Mineral Acids | Alkalies | Oxidizing Agents | Support Combustion |
| Polyester | Excellent | Excellent | Excellent | Good | Good | Fair | Good | Yes | 265/302°F (130/150°C) |
| Polypropylene | Good | Excellent | Excellent | Excellent | Excellent | Excellent | Fair | Yes | 194/230°F (90/110°C) |
| Aramid | Good | Excellent | Excellent | Fair | Fair | Good | Fair | No | 400/450°F (204/232°C) |
| PTFE | Excellent | Excellent | Excellent | Excellent | Excellent | Excellent | Excellent | No | 450/500°F (232/260°C) |
| Nylon | Excellent | Excellent | Excellent | Fair | Poor | Good | Poor | Yes | 265/302°F (130/150°C) |
This table serves only as a guide for the selection of engineering materials and filter media
Testing in accordance with the end user’s safety guidelines is recommended
Finish treatments:
| Finishes/Surface Treatments |
| Plain |
| Heat Set |
| Singed (one side or both sides) |
| Glazed (one side or both sides) |
| PTFE impregnation |
| PTFE membrane |
| MS-Modified/Special |
How to Order a Filter bag?
How to order a felt filter bag
| 1) Material | 2) Micron Rating | 3) Finish | 4) Size | 5) Ring | 6) Ring/side/bottom Construction | 7) Options |
| PE-Felt, Polyester | PE:0.5-200 | PL-Plain | #1 | S- Carbon Steel | WWW- Fully Welded | HS-Handle Strap (additional handle, same media) |
| PP-Felt, Polypropylene | PP:0.5-200 | SO-Singed One Side | #2 | SS-Stainless Steel | SSS- Fully Sewn | A-Automotive (bottom and side seams inside b |
| NX-Felt, Aramid | NX: 5-150 | SB-Singed Both Side | #3 | Z- Zinc Galvanized Steel | SWS- Ring Sewn, Side Welded, Bottom Sewn | MC- Mesh Cover |
| PTFE- Felt, PTFE | PTFE:10-50 | GL-Glazed One Side | #4 | P-Polypro PP Flange/Ring | WSS- Ring Welded, Side Sewn, Bottom Sewn | SB-Spunbond cover |
| PEXL-Felt, Extended Life Polyester | PEXL:1-200 | SG-Singed & Glazed | | E-Polyester PE Flange/Ring | | SR-Special request |
| PPXL-Felt, Extended Life Polypropylene | PPXL:1-200 | GB- Glazed Both Side | | DS-Draw String | | |
| | | HS-Heat Set | | VS-High-temp Plastic Snap-seal | | |
| | | MS-Special/modified | | PP-Polypro Ring | | |
| | | | | PE-Polyester Ring | | |
| | | | | T-Titanium | | |
| | | | | N-No Ring | | |
| | | | | MS-Modified/Special | | |
How to order a mesh filter bag
| 1) Material | 2) Micron Rating | 3) Finish | 4)Size | 5)Ring | 6) Ring/side/bottom Construction | 7) Options |
| NMO-Nylon Monofilament Mesh | NMO: 35-1900 | P-Plain (standard) | #1 | S- Carbon Steel | SSS- Fully Sewn | HS-Handle Strap (additional handle, same media) |
| PEMO-Polyester Monofilament Mesh | PEMO:30-1500 | | #2 | SS-Stainless Steel | WSS- Ring Welded, Side Sewn, Bottom Sewn | A-Automotive (bottom and side seams inside bag) |
| | | | #3 | Z- Zinc. Galvanized Steel | | SR-Special Request |
| | | | #4 | P-Polypro PP Flange | | |
| | | | | E-Polyester PE Flange | | |
| | | | | DS-Draw String (tie-on) | | |
| | | | | PP-Polypro Ring | | |
| | | | | PE-Polyester Ring | | |
| | | | | N-No Ring | | |
| | | | | MS-Modified/Special | | |
| Standard Bag Size | #1 | #2 | #3 | #4 |
| Surface Area | 2.6 (0.24) | 5.2 (0.48) | 0.9 (0.08) | 1.7 (0.16) |
| ft2 (m2) | | | | |
| Volume | 2.1 (7.9) | 4.5 (17.0) | | 0.7 (2.7) |
| U.S gal (liter) | | | 0.37 (1.4) | |
| Max. Flow Rate | 90 (20) | 180 (40) | 26 (6) | 53 (12) |
| GPM (m3/h) | | | | |
| Bag Diameter | 7.0 (180) | 7.0 (180) | 4.0 (105) | 4.0 (105) |
| inch (mm) | | | | |
| Bag Length | 17.0/430 | 32.0/810 | 9.0/230 | 15.0/380 |
| Inch (mm) | | | | |
| Other Bag Size | Available upon request |
Please contact us for further information
