Riqi ( Hangzhou ) Filter Technology Co., Ltd.
| Packaging Details | Inner polybag with outer woven polybag, export-grade carton with paper tube core |
| Customization | Available for size, material, micron rating, collar type, and private label |
| Bag Sizes | #1 (180x420mm), #2 (180x810mm), #3 (100x230mm), #4 (100x410mm), #5 (152x520mm) |
| Collar Type | PP ring / Galvanized steel ring / 304 SS ring / 316L SS ring |
| Material | Polyester / Polypropylene (PE/PP) Needle-Punched Felt |
| Max Operating Temperature | 130 Celsius continuous / 150 Celsius peak (PE), 90 Celsius / 100 Celsius (PP) |
| Filtration Rating | 0.5, 1, 5, 10, 25, 50, 100, 200, 300 micron |
| Supply Ability | 50000 Pieces per Week |
| Filtration Mechanism | Deep depth filtration with gradient density structure |
| Seam Type | Welded seams with thermally treated exterior |
| Delivery Time | 5-10 working days for stock, 15-20 days for production |
| Thickness | 1.6mm - 2.0mm |
| Payment Terms | L/C, T/T, Western Union, PayPal |
| Surface Treatment | Singed, glazed, calendared, anti-static, water and oil repellent |
| Dirt-Holding Capacity | Up to 3x standard filter bags (tested per ISO 16889) |
| Model Number | RQ-HDC02 |
| Place of Origin | Hangzhou, China |
| Certification | ISO 9001, SGS |
| Brand Name | RUIQI |
View Detail Information
Explore similar products
Medium Liquid Filter Bag , PE PP Polypropylene Filter Bag
Square Plastic Collar Water Filter Bag 0.5 Micron - 1000 Micron
Oil Micron Liquid Filter Bag Anti Acid High Temperature Grade
316L 314 Stainless Steel Filter Bags Vertical Lifting for Water Treatment
Product Specification
| Packaging Details | Inner polybag with outer woven polybag, export-grade carton with paper tube core | Customization | Available for size, material, micron rating, collar type, and private label |
| Bag Sizes | #1 (180x420mm), #2 (180x810mm), #3 (100x230mm), #4 (100x410mm), #5 (152x520mm) | Collar Type | PP ring / Galvanized steel ring / 304 SS ring / 316L SS ring |
| Material | Polyester / Polypropylene (PE/PP) Needle-Punched Felt | Max Operating Temperature | 130 Celsius continuous / 150 Celsius peak (PE), 90 Celsius / 100 Celsius (PP) |
| Filtration Rating | 0.5, 1, 5, 10, 25, 50, 100, 200, 300 micron | Supply Ability | 50000 Pieces per Week |
| Filtration Mechanism | Deep depth filtration with gradient density structure | Seam Type | Welded seams with thermally treated exterior |
| Delivery Time | 5-10 working days for stock, 15-20 days for production | Thickness | 1.6mm - 2.0mm |
| Payment Terms | L/C, T/T, Western Union, PayPal | Surface Treatment | Singed, glazed, calendared, anti-static, water and oil repellent |
| Dirt-Holding Capacity | Up to 3x standard filter bags (tested per ISO 16889) | Model Number | RQ-HDC02 |
| Place of Origin | Hangzhou, China | Certification | ISO 9001, SGS |
| Brand Name | RUIQI | ||
| High Light | needle punched liquid filter bag ，high dirt-holding capacity filter bag ，low maintenance liquid filter bag | ||
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.
| 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. |
| 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. |
| 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 |
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.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
5000000-10000000
Employee Number:
50~200
Ecer Certification：
Verified Supplier
Riqi Filter ,stands for high efficiency filtration solutions and expertise service for filtration industry. We get success in all dust emission control and purifying projects in Coal Fired Boiler power plant, Blast-Furnace in steel plant, Asphalt mixing site and Cement kilns,chemical industries ,etc... Riqi Filter ,stands for high efficiency filtration solutions and expertise service for filtration industry. We get success in all dust emission control and purifying projects in Coal Fired Boiler power plant, Blast-Furnace in steel plant, Asphalt mixing site and Cement kilns,chemical industries ,etc...
Get in touch with us
Leave a Message, we will call you back quickly!