Spiral Wound PP Filter Cartridge: Built-in Filter Cartridge for Water Tanks, Storage Tanks, and Pipeline Filters
Product Introduction
This spiral wound PP filter cartridge is a high-performance built-in filtration component crafted with premium polypropylene (PP) raw materials and advanced spiral winding technology. Designed specifically for seamless integration into water tanks, storage tanks, and pipeline filter systems, it features a compact structural design that maximizes the effective filtration area while ensuring stable and reliable operation in various static and dynamic water storage and conveyance scenarios. The all-PP construction ensures excellent chemical compatibility, non-toxicity, and odorlessness, making it a safe filtration solution for pure water, process water, and general industrial water treatment, with no secondary pollution to the filtered medium.
Filtration Precision
The spiral wound PP filter cartridge offers flexible filtration precision options to adapt to different water quality treatment requirements, with standard precision grades ranging from 1 μm to 100 μm. The uniform pore size distribution of the PP filter material ensures consistent filtration efficiency across the entire cartridge surface, effectively intercepting suspended solids, particulate impurities, colloids, and sediment of corresponding particle sizes in the water without causing excessive pore blockage during use.
Flux
Boasting an optimized spiral winding structure and large effective filtration area, this filter cartridge delivers superior flux performance. Under the standard operating condition of 25℃ and 0.2MPa inlet pressure, the initial pure water flux reaches 80-150 L/m²·h, and the actual working flux for raw water treatment remains stable at 50-100 L/m²·h. The high flux characteristic ensures efficient water treatment capacity, meeting the continuous filtration demands of water tanks, storage tanks, and pipeline systems without compromising filtration efficiency due to low flow rate.
Salt Rejection Rate
As a precision microfiltration filter cartridge, this spiral wound PP product is mainly designed for solid-liquid separation of particulate impurities and does not have the ion rejection function of reverse osmosis or nanofiltration membranes. Its salt rejection rate is 0%, which means it retains the original mineral ions and soluble salt components in the water while removing insoluble impurities, making it suitable for water treatment scenarios that require impurity removal without changing the water’s mineral composition.
Pressure Drop
The product features a low-pressure drop design, with an initial pressure drop of only 0.01-0.03 MPa under the rated working flux, ensuring minimal resistance to water flow in the pipeline and tank systems. Even after a period of use, as the filter cartridge intercepts a certain amount of impurities, the pressure drop rises slowly; the maximum allowable operating pressure drop is 0.15 MPa, beyond which the filter cartridge is recommended for replacement to maintain the normal operation of the entire filtration system.
Molecular Weight Cutoff (MWCO)
With a molecular weight cutoff range of 100,000 to 500,000 Daltons, this spiral wound PP filter cartridge effectively intercepts macromolecular substances such as colloidal particles, suspended solids, and large molecular weight organic matter in the water. The precise MWCO control ensures that small molecular weight beneficial substances and water molecules pass through smoothly, achieving the optimal balance between impurity removal and water resource utilization.
Membrane Thickness
The PP filter membrane of the cartridge has a uniform thickness of 80-120 μm, and the reinforced support layer on the back of the membrane has a thickness of 200-300 μm. The reasonable membrane thickness design not only guarantees sufficient mechanical strength to resist the impact of water flow and pressure changes in the system but also maintains high filtration efficiency and permeability. The integrated membrane and support layer structure prevents membrane rupture and deformation during long-term use, extending the service life of the cartridge.
Replacement Cycle
The recommended replacement cycle of the filter cartridge is 3-6 months under normal operating conditions (raw water turbidity ≤5 NTU, 24-hour continuous operation). If the raw water quality is poor (turbidity >5 NTU) or the system operates with high flux for a long time, the replacement cycle should be shortened to 1-3 months. In addition, when the pressure drop of the system reaches 0.15 MPa or the water flow rate decreases significantly and cannot be restored after backwashing (if applicable), the filter cartridge should be replaced immediately to ensure filtration efficiency and system safety.
Features
- Premium all-PP material: Non-toxic, odorless, acid and alkali resistant, and compatible with most chemical media, no secondary pollution to water.
- Advanced spiral winding: Large effective filtration area, high flux, and low pressure drop, improving the overall treatment efficiency of the system.
- Flexible precision options: 1-100 μm filtration precision to meet the diverse needs of different water treatment scenarios.
- Compact structural design: Easy to install and replace, perfectly adapted to the built-in installation requirements of water tanks, storage tanks, and pipeline filters.
- High mechanical strength: Reinforced membrane structure, resistant to water flow impact and pressure fluctuation, not easy to deform or rupture.
- Stable performance: Uniform pore size and MWCO, consistent filtration effect, and slow attenuation of performance during use.
- Cost-effective: Long service life under normal conditions, low replacement and maintenance costs, suitable for large-scale and long-term application.
Application Fields
This built-in spiral wound PP filter cartridge is widely used in various water storage and pipeline conveyance systems across multiple industries. In the municipal water supply field, it is applied to the pre-filtration of residential and commercial water tanks and storage tanks to remove sediment and suspended solids in tap water. In the industrial water treatment field, it serves as the pre-filtration component of pipeline filters in food and beverage, pharmaceutical, electronics, chemical, and printing and dyeing industries, protecting subsequent precision filtration equipment and ensuring the quality of process water. In the agricultural and aquaculture field, it is used for the filtration of water storage tanks and irrigation pipelines to remove impurities and prevent pipeline blockage. It is also suitable for the pre-filtration of domestic water purification systems, swimming pool water circulation systems, and industrial cooling water circulation systems, with broad application prospects in all scenarios requiring efficient removal of particulate impurities in water tanks and pipelines.
Conclusion
In summary, this spiral wound PP filter cartridge is a high-quality, high-performance built-in filtration solution tailored for water tanks, storage tanks, and pipeline filter systems. Its scientific structural design, premium raw material selection, and excellent filtration performance make it stand out in precision microfiltration applications. With the advantages of large flux, low pressure drop, flexible filtration precision, and easy installation, it can effectively remove particulate impurities, colloids, and suspended solids in the water, maintain the cleanliness of water storage and conveyance systems, and protect the normal operation of subsequent water treatment equipment. Meanwhile, the non-toxic, odorless all-PP material ensures the safety of the filtered water, and the reasonable replacement cycle and low maintenance cost bring high cost-effectiveness for long-term use. Whether in municipal water supply, industrial production, or domestic water purification, this filter cartridge can provide stable and reliable filtration support, which is an indispensable core component for optimizing water tank and pipeline water quality treatment.
Related products
- Pleated PP Filter Cartridge: A high-precision filtration product with a pleated structure, suitable for scenarios requiring higher filtration precision in water tanks and pipeline filters, with smaller pore size and more compact filtration effect.
- String Wound PP Filter Cartridge: An economical filtration option with a string winding process, suitable for pre-filtration of raw water with high turbidity in large storage tanks, with strong impurity holding capacity.
- PP Sediment Filter Housing: A dedicated filter housing for matching various PP filter cartridges, available in different specifications and materials (UPVC, stainless steel), perfectly adapted to the installation and use of this spiral wound PP filter cartridge in water tanks and pipelines.
- Multi-cartridge Pipeline Filter: A centralized filtration equipment that can load multiple spiral wound PP filter cartridges at the same time, suitable for large-flow pipeline water treatment scenarios in industrial and commercial fields.
- Backwash Accessory Kit for Filter Cartridges: A supporting accessory for reversible backwashing of the filter cartridge (for applicable models), which can clean the intercepted impurities and appropriately extend the service life of the filter cartridge under certain water quality conditions.
- Activated Carbon PP Composite Filter Cartridge: A composite filtration product combining spiral wound PP filter layer and activated carbon layer, which can remove both particulate impurities and organic matter, residual chlorine, and peculiar smell in water, suitable for water tank and pipeline filtration scenarios with higher water quality requirements.
