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Liquid Filter Bag
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High Dirt-Holding Capacity Needle Punched Liquid Filter Bag Low Maintenance for Continuous Production Lines

High Dirt-Holding Capacity Needle Punched Liquid Filter Bag Low Maintenance for Continuous Production Lines

Brand Name: RUIQI
Model Number: RQ-HDC02
MOQ: 10 Pieces
Price: USD 3-10 / Piece
Payment Terms: L/C, T/T, Western Union, PayPal
Supply Ability: 50000 Pieces per Week
Detail Information
Place of Origin:
Hangzhou, China
Certification:
ISO 9001, SGS
Material:
Polyester / Polypropylene (PE/PP) Needle-Punched Felt
Filtration Rating:
0.5, 1, 5, 10, 25, 50, 100, 200, 300 Micron
Filtration Mechanism:
Deep Depth Filtration With Gradient Density Structure
Dirt-Holding Capacity:
Up To 3x Standard Filter Bags (tested Per ISO 16889)
Bag Sizes:
#1 (180x420mm), #2 (180x810mm), #3 (100x230mm), #4 (100x410mm), #5 (152x520mm)
Thickness:
1.6mm - 2.0mm
Max Operating Temperature:
130 Celsius Continuous / 150 Celsius Peak (PE), 90 Celsius / 100 Celsius (PP)
Collar Type:
PP Ring / Galvanized Steel Ring / 304 SS Ring / 316L SS Ring
Seam Type:
Welded Seams With Thermally Treated Exterior
Surface Treatment:
Singed, Glazed, Calendared, Anti-static, Water And Oil Repellent
Customization:
Available For Size, Material, Micron Rating, Collar Type, And Private Label
Packaging Details:
Inner polybag with outer woven polybag, export-grade carton with paper tube core
Supply Ability:
50000 Pieces per Week
Highlight:

needle punched liquid filter bag

,

high dirt-holding capacity filter bag

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low maintenance liquid filter bag

Product Description

Product Overview

The High Dirt-Holding Capacity Needle Punched Liquid Filter Bag is purpose-built for continuous production lines where filter change frequency directly impacts operational efficiency. Featuring a deep depth gradient density structure, this filter bag captures up to 3x more particulates before reaching terminal differential pressure, enabling longer change intervals and significantly fewer production interruptions.

Available in both polyester (PE) for higher temperature tolerance and polypropylene (PP) for superior chemical compatibility, this filter bag is the ideal choice for 24/7 production environments where unplanned downtime is not an option.

Common Pain Points We Solve

Pain Point Impact on Your Operation
Frequent Bag Changes Low-capacity filter bags clog rapidly, forcing operators to pause production every 8-12 hours for bag replacement. This costs 30-60 minutes of downtime per changeover on continuous lines.
High Operating Costs More frequent changes mean higher filter bag consumption, increased labor allocation, and greater waste disposal costs per production batch.
Early Differential Pressure Rise Surface-loading filter designs trap particles only on the top layer, causing rapid pressure build-up that reduces flow rate and forces premature bag replacement.

Our Product Advantages

Advantage Details
Gradient Density Structure Progressive fiber density from outer to inner layers enables true depth filtration, capturing particles throughout the entire media thickness rather than just on the surface.
3x Dirt-Holding Capacity Independent testing per ISO 16889 confirms our needle-punched felt holds up to 3x more particulate matter versus standard melt-blown filter bags of equivalent micron rating.
Extended Change Intervals Higher capacity translates directly to 2-3x longer service intervals, reducing bag change frequency from 8-hour shifts to once every 24-36 hours of continuous operation.
Lower Total Ownership Cost Fewer bags consumed + reduced labor hours + less production downtime = significantly lower total cost of filtration ownership per production batch.
Dual Material Options Choose polyester for 130 Celsius temperature tolerance or polypropylene for broad pH 1-14 chemical compatibility based on your specific process requirements.

Technical Specifications

Parameter Specification
Material Polyester (PE) or Polypropylene (PP) Needle-Punched Felt
Filtration Rating 0.5, 1, 5, 10, 25, 50, 100, 200, 300 micron
Filtration Efficiency Up to 99.9% at rated micron
Bag Sizes #1 (180x420mm), #2 (180x810mm), #3 (100x230mm), #4 (100x410mm), #5 (152x520mm)
Thickness 1.6mm - 2.0mm
Max Operating Temp 130 Celsius / 150 Celsius peak (PE), 90 Celsius / 100 Celsius (PP)
Collar Type PP / Galvanized Steel / 304 SS / 316L SS ring
Air Permeability 30-400 L/m2/s at 200Pa (material dependent)
Certification ISO 9001, SGS

Recommended Applications

  • Paint and Coatings: High-solid content paint filtration requiring long intervals between bag changes
  • Food and Beverage: Edible oil, syrup, and beverage clarification with high particulate loads
  • Metalworking Fluids: Coolant and cutting oil filtration with heavy swarf contamination
  • Chemical Processing: Bulk chemical intermediate filtration with variable solid loading
  • Wastewater Treatment: Pre-filtration of high-TSS industrial effluent before membrane systems

Frequently Asked Questions

Q: How much longer do your high-capacity bags last compared to standard bags?
A: Based on field data from continuous production environments, our gradient density bags typically achieve 2-3x longer service intervals, reducing change frequency from every 8-hour shift to every 24-36 hours.

Q: Which material should I choose - polyester or polypropylene?
A: Choose polyester (PE) if your process temperature exceeds 90 Celsius. Choose polypropylene (PP) for superior acid/alkali resistance at lower temperatures. Our team can help you select based on your specific fluid chemistry.

Q: Do you provide free samples for testing?
A: Yes, we provide free samples so you can validate dirt-holding capacity and service life in your actual process conditions. Sample lead time is 1-7 days.

Q: Can you match competitor bag dimensions?
A: Yes, we support full OEM customization to match any competitor housing dimensions. Send us your specifications for a quote within 2 days.