Pall LG coalescing filter cartridges are designed for critical air or gas service applications where high-efficiency removal of oil or water droplets and particulate solids is required. Via a series of graded non-wettable media, droplets are captured, coalesced, and drained to the bottom of the housing, preventing filtered droplet re-entrainment into the downstream gas flow. LG coalescing filters protect downstream equipment and processes from compressor wear products, lubrication oil, water or other liquid droplets, corrosion products and other particulate contaminants, while reducing maintenance costs.
Features and Benefits
- Remove oil and water droplets from air and gas streams
- Fixed-pore and non-shedding media
- High separation efficiency
- HEPA-quality air effluent
- Prevents wet-out blockage of downstream membranes
- High filter area for prolonged life
- Low saturated pressure drop reduces operating costs
- Rapid from liquid surges recovery
- Range of sizes for most applications
- Protects equipment and processes
- Reduces downtime and labor costs
- Manufactured for use in conformance with cGMP
- ISO 9000 Certified Quality System
SFG Coalescer Element Specifications
| Model Number: | PFS1201ZM | PFS1001ZM | PFS4463ZM |
| Coalescing Efficiency at 0.3 μm | 99.99% | 99.99% | 99.99% |
| Rated Flow Air @ 100 psig (6.9 bard) and 100°F (38°C) | 400 SCFM | 200 SCFM | 60 SCFM |
| Effective Filter Area | 4.2 sq. ft. | 2.2 sq. ft. | 0.84 sq. ft. |
| Clean Pressure Drop (saturated) | 1.6 psi | 1.5 psi | 0.53 psi |
| Temperature (max.) | 140˚ F | 140˚ F | 140˚ F |
| Pressure Differential (max.)1 | 50 psi | 50 psi | 50 psi |
| Dimensions | 3 3/4” O.D. X 13 1/8 | 2 3/4” O.D. X 9 13/16” | 2 1/4” O.D. X 5 1/4” |
| Sealing Mechanism | Double open-ended with gasket seals | Double open-ended with gasket seals | Single open-ended with internal o-ring seal |
| Housing Data Sheet Reference | N/A | H1-H10 | N/A |
1 To maintain reasonable oil removal efficiencies, cartridge changeout is recommended at 8-12 psid.
ZM Performance
Coalescer performance must be measured in terms of effluent concentration and saturated pressure drop. Pall has designed the ZM Coalescer with optimized pore size and medium thickness to ensure minimum liquid penetration and high energy efficiency (low saturated pressure drop). Typical downstream aerosol concentrations, less than 0.003 ppmw, are achieved with the Pall ZM coalescer at a saturated pressure drop less than 1.6 psid per cartridge. The ZM Coalescer also has an absolute particle removal rating of 0.3 microns.
Coalescers
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