描述
Pall’s Nexis® A series filter cartridges for polyurethane production
Features:
Features:
- Rated at >99.9% efficiency1 with retention ratings from 0.5 to 120 µm
- Proprietary CoLD Melt™ fiber technology
- Resists contaminant unloading even at high differential pressures
- Micro-denier melt-blown filtration fibers
- Media manufactured with a continuous gradient pore structure
- All-polypropylene construction
- Free of adhesives, binders, resins, and silicone
- Proprietary center core for added strength (0.5 - 20 µm)
- Fast rinse-up to 18 Megohm-cm
- Certification of conformance, including lot identification
1 >99.9% retention rating by ASTM F-795 test.
规格
Product Specifications
Materials of construction
| Filter media: | Polypropylene |
| Hardware: | Polypropylene |
| Gaskets/O-rings: | Silicone elastomer, EPDM, nitrile, fluorocarbon elastomer, Santoprene3 (DOE only), FEP, FEP encapsulated silicone, FEP encapsulated fluorocarbon elastomer |
Dimensions (nominal)
| Outside diameter: | 6.4 cm (2.5 in) |
| Lengths: | 10.2 cm (4 in), 12.7 cm (5 in), 24.8 cm (9.75 in), 25.1 cm (9.875 in), 25.4 cm (10 in), 49.5 cm (19.5 in), 50.8 cm (20 in), 74.3 cm (29.25 in), 76.2 cm (30 in), 99.1 cm (39 in), 100.3 cm (39.5 in), 102 cm (40 in) |
性能
Performance Specifications
Filter grades
0.5, 1, 3, 5, 10, 20, 30, 40, 50, 70, 90, 120 µm
Maximum differential pressure
| 0.5-20 µm: | 1.03 bard @ 82°C (15 psid @ 180°F) 1.72 bard @ 66°C (25 psid @ 150°F) 4.14 bard @ 30°C (60 psid @ 86°F) |
| 30-120 µm: | 1.72 bard @ 60°C (25 psid @ 140°F) 3.45 bard @ ambient (50 psid @ ambient) |
Recommended change-out differential pressure2
2.4 bard (35 psid)
Food and water contact use
Please contact Pall Corporation to verify that the product conforms to your national legislation and/or regional regulatory requirements for water and food contact use.
Purity
Nexis A series filter cartridges are free of adhesives, binders, resins, and silicone.
Rinse-up
Rinse-up to 18 Megohm-cm with a minimum of throughput.
Particle Removal Ratings4 (µm)
| Cartridge Designation | 99.9% Efficiency | 90% Efficiency |
| NXA 0.5 | 0.5 | ‹ 0.5 |
| NXA 1 | 0.95 | 0.65 |
| NXA 3 | 2.8 | 1.5 |
| NXA 5 | 4.1 | 3.4 |
| NXA 10 | 9.5 | 4.7 |
| NXA 20 | 18.5 | 13 |
| NXA 30 | 27 | 18 |
| NXA 40 | 36 | 20 |
| NXA 50 | 46 | 27 |
| NXA 70 | 65 | 42 |
| NXA 90 | 85 | 55 |
| NXA 120 | 105 | 65 |
Typical Flow vs. Differential Pressure for Application Sizing5
2 Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.
3 Registered trademark of Advanced Elastomer Systems.
4 >90% and 99.9% retention ratings by ASTM F-795 test.
5 Flow rate is for a 25.4 cm (10 in) cartridge. For liquids other than water, multiply differential pressure by fluid viscosity (cP).
类型
Filter Cartridges
应用
Chem Intermediate Product (Other), Chem Raw Material - Liquid, Amine/Benfield /Other Solvent loop, Chemicals Raw Material / Gas/Air, Poly Cmdty Intermediate (Fluids), Poly Cmdty Raw Material (Fluids), Poly Engrd & Spcl Intermediate (Fluids), Poly Engrd & Spcl Raw Material (Fluids), Chem Final Product (Liquid)
订购信息
Pall Part Number = NXA [1] – [2] U – [3] [4]
Table 1
| Code | Filter grades (µm) |
| 0.5 | 0.5 |
| 1 | 1 |
| 3 | 3 |
| 5 | 5 |
| 10 | 10 |
| 20 | 20 |
| 30 | 30 |
| 40 | 40 |
| 50 | 50 |
| 70 | 70 |
| 90 | 90 |
| 120 | 120 |
Table 2
| Code | Cartridge lengths (cm/in) nominal |
| 4 | 10.2 / 4 |
| 5 | 12.7 / 5 |
| 9.75 | 24.8 / 9.75 |
| 9.875 | 25.1 / 9.875 |
| 10 | 25.4 / 10 |
| 19.5 | 49.5 / 19.5 |
| 20 | 50.8 / 20 |
| 29.25 | 74.3 / 29.25 |
| 30 | 76.2 / 30 |
| 39 | 99.1 / 39 |
| 39.5 | 100.3 / 39.5 |
| 40 | 102 / 40 |
Table 3
| Code | End configurations |
| Blank | DOE industrial (no end caps) |
| 1X | DOE, 2.54 cm (1 in) extended core |
| M3 | SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0)6 |
| M3H | SOE large diameter closed end, external 222 O-rings |
| M4 | SOE fin end, external 222 O-rings with locking tabs (silicone and EPDM O-rings only) |
| M5 | DOE, internal 120 O-rings (retrofits 213 O-ring style)6 |
| M6 | SOE flat closed end, external 226 O-rings (retrofits other manufacturers’ Code 6)6 |
| M7 | SOE fin end, external 226 O-rings (retrofits other manufacturers’ Code 7)6 |
| M8 | SOE fin end, external 222 O-rings (retrofits other manufacturers’ Code 5)6 |
| M10 | DOE, internal O-rings (fits other manufacturers’ housings)6 |
| M11 | SOE flat closed end, internal 120 O-ring (retrofits other manufacturers’ X style)6 |
| M18 | SOE flat closed end, external 222 O-ring |
| M20 | SOE with internal O-rings (same as M10), closed end with deep recess |
| DOE | DOE with elastomer gasket seals and end caps |
| H21 | DOE, Santoprene gasket seal |
| XK | SOE plastic spring assembly, saw cut end |
| SI | SOE metal spring/polypropylene cap, saw cut end |
Table 4
| Code | Gasket/O-ring materials |
| S | Silicone |
| N | Nitrile |
| E | EPDM |
| V | Fluorocarbon elastomer |
| T | Expanded PTFE (gaskets) FEP encapsulated silicone (O-rings) |
| F | FEP encapsulated fluorocarbon elastomer (O-rings) |
| Y | Santoprene |
6For details, contact Pall Corporation.
分类信息
Chemicals, Chemicals, Petro Chem, Chemicals, Polymer, Polymer, Polymer, Polymer, Chemicals
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