Needle felt filter bag is made of 100% heat-treated original material, clean and safe with uniform pore size to ensure a satisfactory filtering effect. The standardized sealing ring opening, and all-welded structure ensure zero side leakage.
Liquid filter bag used in manufacturing comply with the regulations of FDA, title 1, section 177 and ec directive 2002/72/ec, as applicable for food and beverage contact.
| Material | Polypropylene（PP）; Polyester（PE） |
| Sealing rings | Welded polypropylene / polyester seal ring Zinc-plated steel ring / Stainless steel ring |
| Retention ratings | 1,5,10,25,50,100,200,250,300μm |
| Max. operating temperature | Polypropylene：90℃ ; Polyester：150℃ |
| Max. differential pressure | 2.5 bar |
| Recommended change-out pressure | 0.8-1.5 bar |
| Size | Diameter(mm) | Length(mm) | Max. flow rate(m³/h) | Filter area(m³) |
| 01 | 180 | 430 | 20 | 0.24 |
| 02 | 180 | 810 | 40 | 0.48 |
| 03 | 100 | 230 | 6 | 0.08 |
| 04 | 100 | 380 | 12 | 0.16 |
| 05 | 152 | 510 | 15 | 0.2 |
| Material | Size | Cover Layers | Retention Ratings | Seal Rings |
| PP: Polypropylene | 01:Ф180*430mm | P:Plain | 1,5,10,25,50,100 | E:Welded PP seal ring |
| PE: Polyester | 02:Ф180*810mm | M:Polypropylene mesh | 200,300,400,500,600 | H:Welded PE seal ring |
| NMO: Nylon 66 | 03:Ф102*230mm | 800,1000,1200,1250 | A:Stainless seal ring | |
| POXL/PEXL: Extended life needle felt polypropylene or polyester | 04:Ф102*380mm | S:Zinc-plated seal ring | ||
| HOA: Melt-blown polypropylene or polyester | 05:Ф152*510mm | R:Without ring | ||
| HAC: Activated carbon fiber | M:Special ring |
Harbory Filtration product catalog/Liquid Filtration/Needle Felt Filter Bag.pdf