Understanding the Function of Outerwrap in Filtration Systems
Outerwrap serves as the first line of defense for filter elements, protecting internal components from damagewhile maintaining system efficiency. This protective barrier prevents bigger-sized contaminants from bypassing the primary filtration media and shields delicate filter structures from mechanical stress.
The outerwrap also plays a vital role in flow dynamics. In reverse osmosis applications, the outer netting creates turbulent flow patterns that prevent bacterial growth in dead spaces around membrane surfaces. This turbulence keeps contaminants in motion, reducing biofilm formation and maintaining membrane cleanliness over extended operating periods.
Beyond protection, outerwrap materials provide structural support that maintains filter element integrity under varying pressure conditions. This support becomes especially critical in applications involving fluctuating flow rates or temperature variations that could otherwise deform or damage filter media.
Essential Requirements for Netting as Outerwrap
Outerwrap netting requires strict adherence to specific criteria for reliable filtration performance:
- Chemical Compatibility: The material must resist degradation or contamination from processed fluids.
- Temperature Resistance: Crucial for systems facing extreme thermal conditions, the netting must maintain integrity through thermal expansion and contraction cycles.
- Mechanical Strength: It needs to withstand abrasion, tear, and fatigue stress from fluid pressure, flow variations, and contact with solid particles. Durability is essential for long-term performance.
- Permeability: This must balance fluid flow and protection. Optimal pore sizes ensure efficient filtration without excessive pressure drops.
Introducing Conwed Netting for Outerwrap Excellence
Conwed™ square netting is manufactured in a single-step continuous extrusion process that creates a plastic netting with integral joints, eliminating weak points from that often compromise traditional woven or bonded materials.
This manufacturing approach yields consistent geometric patterns with precise control over strand dimensions and hole sizes. The integral joint construction provides uniform strength distribution throughout the netting structure, ensuring reliable performance under demanding operational conditions.
The extruded square configuration offers several advantages over alternative netting geometries. Square openings provide predictable flow characteristics and even distribution of mechanical stress. This geometry also facilitates easier handling and installation compared to diamond or hexagonal patterns that may distort during processing.
Conwed™ netting accommodates diverse application requirements through customizable strand densities up to 44 strands per inch and hole sizes starting at 250 microns. This range allows precise matching of netting characteristics to specific filtration system needs.
Key Benefits:
- Enhanced Reliability: Integral joint construction eliminates common failure points found in welded or bonded alternatives, ensuring durability under cyclic loading.
- Material Versatility: A broad range of polymer options (polypropylene, polyethylene, nylon, PBT, TPE, PPS, PVDF) allows for optimal material selection based on chemical environments and operating conditions.
- Regulatory Compliance & Identification: FDA-approved resin options suit food and beverage applications, while color variations aid in system identification and quality control.
- Lightweight, High-Strength Design: Reduces overall system weight while maintaining structural integrity, particularly beneficial for mobile filtration systems and weight-sensitive applications.
- Clean Design: Features an elegant, clean look that mirrors the high quality of the material and ensures that the outer shell not only delivers exceptional performance but also looks professional and sophisticated in use.
- Extensive Customization: Offers both symmetrical and non-symmetrical designs to meet specific application requirements and optimize outerwrap performance.
Applications Across Filtration Industries
Conwed™ square netting performs exceptionally across various filtration sectors:
- Reverse Osmosis: Creates turbulent flow, preventing bacterial buildup on membranes, which boosts efficiency and reduces maintenance.
- Water Treatment: Maintains membrane integrity and promotes efficient flow. Resists chlorine, acids, and other treatment chemicals for long-term use.
- Industrial Process Filtration: Highly versatile and customizable for specific needs, such as protecting catalysts in power generation or supporting filter media in food processing.
- Transportation Filtration: Its durability and chemical resistance make it perfect for automotive and industrial mobile systems, enduring vibration, extreme temperatures, and chemical exposure.
Making the Right Choice for Your Filtration System
Choosing the right outerwrap netting requires understanding your application needs. With our extensive market experience and material knowledge, we understand the specific netting requirements for each application and are here to support you in selecting the right solution for your filtration system.
With our Conwed™ square netting we offer a customizable solution for outerwrap with advanced manufacturing, diverse material options, and proven performance across industries.
Want to learn more? Visit our product page and get in touch with us.
