Aicaigou LogoAicaigou LogoB2B WikiIndustrial Encyclopedia

Basket Strainer Filter

Updated: 2026-07-18

Overview

Woven mesh basket filters are industrial-grade filtration devices characterized by their cylindrical basket design with precision-woven metal mesh. These filters excel in applications requiring high flow rates combined with fine filtration, typically handling viscosities up to 800 cP. The open basket structure provides 2-3 times more contaminant holding capacity than equivalent cartridge filters, making them ideal for continuous processes where frequent changeouts are impractical. Manufactured through automated spiral winding or layered mesh welding techniques, these filters maintain consistent pore geometry across the entire filtration surface. Industry standards like ISO 2942 and ASME BPE govern their construction for critical applications in sanitary processing systems.

Structure and Working Principle

鑫俊泽 空气净化器滤芯 钢厂鼓风机除尘过滤筒 抛丸机折叠式滤筒沧州鑫俊泽环保机械设备有限公司

The filter comprises three structural components: an outer support cage (typically perforated metal), the primary woven mesh filtration layer, and an internal stabilizing core. Fluid enters radially through the mesh, with contaminants trapped on the exterior surface while clean media flows upward through the central outlet. The multi-directional weave pattern creates depth filtration, preventing premature clogging common with surface filters. Advanced versions incorporate graduated mesh layers, starting with coarse outer weaves (e.g., 100 micron) progressing to finer inner layers (e.g., 25 micron). This staged filtration approach extends service life by distributing particulate loading evenly. Pressure ratings typically range from 150 psi (standard) to 600 psi (heavy-duty designs with reinforced ribs).

商家经验真实案例 · 安全可信
滤芯安装方向指南
本文针对滤芯安装方向这一常见问题,详细解析不同滤芯的结构特征、安装要点及错误安装的潜在影响,帮助用户快速掌握正确安装方法。

Key Features

1. Micron Accuracy: Woven mesh achieves ±5% pore size consistency versus ±15% for sintered metal filters, critical for precision applications like catalyst protection. 2. Thermal Stability: Withstands temperatures from -200°C to +480°C (depending on alloy), outperforming polymer filters. 3. Cleanability: Backflushing efficiency exceeds 90% when using reverse pulse systems at 2-3 bar pressure. Specialized versions include electropolished finishes (Ra<0.8μm) for ultra-clean systems, and duplex stainless steel constructions (2205 grade) for chloride-rich environments. The open area ratio ranges from 25-50%, significantly higher than sintered alternatives, reducing flow resistance by 30-40% at equivalent micron ratings.

Application Areas

In oil & gas production, these filters protect control valves from sand erosion (API 614 compliance). Food processors use 316L SS versions with USDA-approved finishes for edible oil filtration. Semiconductor plants deploy nickel mesh baskets for ultra-high purity chemical delivery systems, achieving Class 1 particulate standards. The pharmaceutical industry utilizes basket filters with 0.1 μm absolute rating in bioprocess streams, often incorporating double O-ring seals for aseptic containment. Power plants install them in turbine lube oil systems (ISO 4406 15/13/10 requirement), while marine applications favor titanium constructions for seawater cooling loops.

Maintenance and Precautions

提篮式过滤器 ZPG自动排污碳钢过滤 汉科 可定制安平县汉科过滤科技有限公司

Regular inspection cycles should monitor for mesh deformation (indicating overpressure) or corrosion pitting (revealing material incompatibility). Ultrasonic cleaning is recommended every 3-6 months using alkaline solutions at 60-70°C, avoiding hydrochloric acid which damages passivation layers. Critical installation practices include proper gasket seating (ensure 360° compression) and avoiding cantilever loads on the outlet nozzle. For systems with pulsating flows, consider adding a perforated inner liner to prevent mesh fatigue. Always verify maximum allowable differential pressure (typically 2-3 bar for standard designs) before commissioning.

商家经验真实案例 · 安全可信
PGP与CTO滤芯大揭秘
本文解析PGP和CTO两种滤芯的工作原理与适用场景,帮助读者理解它们在净水过程中的不同角色,为选择滤芯提供实用参考。

B2B Procurement Guide

When sourcing basket filters, specify: 1) Filtration efficiency (beta ratio ≥200 for critical applications), 2) Connection type (ANSI/DIN flange or NPT threaded), 3) Surface finish (mechanical polish vs electropolish), and 4) Certification requirements (PED 2014/68/EU for pressure equipment). Leading manufacturers provide computational fluid dynamics (CFD) reports to validate flow distribution. For large volume purchases (100+ units annually), negotiate pricing based on frame standardization - costs can decrease 15-20% by consolidating sizes. Always request material test certificates (MTCs) for traceability, particularly for nuclear or aerospace applications where PMI (positive material identification) is mandatory.

Related Manufacturers