Fans - Finger Guards, Filters & Sleeves

Part Number	Description / PDF	Quantity
SC130-W3 GardTec	127MM FAN GUARD NICKEL CHROME	685
AFM-162M GardTec	FAN FILTER 162MM METAL	148
SC162-W5 GardTec	172MM ROUND FAN GUARD	2196
SC92-M30/5 GardTec	30PPI 92MM FILTER ULHF-1 PKG/5	167
SC92-W2SS GardTec	92MM GUARD 304 STAINLESS STEEL	812
SC92-P10 GardTec	92MM PLASTIC FAN GUARD	1237
SC40-W2B GardTec	40MM FAN GUARD BLACK	602
SC120-W5SS GardTec	120MM FAN GUARD 304 STAINLESS	681
AFM-80M GardTec	FAN FILTER 80MM METAL	528
SC92-P15/30 GardTec	92MM PLASTIC FAN GUARD 30PPI	3364
SC100-W52 GardTec	140MM EURO FAN GUARD	591
SC162-M45/5 GardTec	45PPI 162MM FILTER ULHF-1 PKG/5	267
AFM-60M GardTec	FAN FILTER 60MM METAL	357
SC1000-W1 GardTec	254MM ROUND FAN GUARD	565
SC80-M30/5 GardTec	30PPI 80MM FILTER ULHF-1 PKG/5	287
SC120-P15/30 GardTec	120MM PLASTIC FAN GUARD 30PPI	1482
SC80-P15/45 GardTec	80MM PLASTIC FAN GUARD 45PPI	1710
SC80-P15/30 GardTec	80MM PLASTIC FAN GUARD 30PPI	1433
SC162-P15/60 GardTec	162MM PLASTIC FAN GUARD 60PPI	193
SC100-W26 GardTec	172MM ROUND EURO FAN GUARD	497

Fans - Finger Guards, Filters & Sleeves

1. Overview

Fan accessories including finger guards, filters, and sleeves are critical components in thermal management systems. Finger guards prevent physical contact with rotating blades, filters ensure airflow purity, and sleeves optimize aerodynamic performance. These components are essential for maintaining equipment reliability, safety compliance, and energy efficiency in modern electronics, industrial machinery, and HVAC systems.

2. Main Types & Functional Classification

Type	Functional Characteristics	Application Examples
Perforated Metal Guards	Mechanical protection with 95% airflow retention	Industrial motors, power tools
Polymer Mesh Filters	Particulate filtration (5-50 m efficiency)	Server racks, medical devices
Aerofoil Sleeves	Flow guidance with 15-20% static pressure increase	Aerospace cooling systems
EMI Shielding Guards	Radiation suppression (30-100MHz range)	Telecom equipment

3. Structure & Composition

Finger guards typically use stamped aluminum alloys (6061-T6) or glass-reinforced nylon. Filters employ multi-layer media: pre-filters (PET non-woven), HEPA layers (borosilicate microfibers), and activated carbon. Sleeves are constructed from anodized aluminum or fiber-reinforced polymers with aerodynamic profiles optimized via CFD analysis. All components incorporate anti-vibration mounts and corrosion-resistant coatings.

4. Key Technical Specifications

Parameter	Value Range	Importance
Material Temp Range	-40 C to +150 C	Operational stability
Filter Efficiency	80-99.97% @ 0.3 m	Contamination control
Pressure Drop	5-50 Pa	Energy consumption
Noise Level	20-45 dB(A)	Environmental comfort

5. Application Fields

IT Infrastructure: Data center cooling systems
Industrial Automation: CNC machine tool cooling
Consumer Electronics: Gaming PC thermal management
Medical Equipment: MRI scanner thermal control

6. Leading Manufacturers & Products

Manufacturer	Product Series	Key Features
NMB Technologies	AeroGuard Pro	Integrated EMI shielding & variable pitch design
Sunonwealth	MagLev Filter Sleeve	Magnetic levitation bearing & 50,000h L10 life
Delta Electronics	SmartAir Guard	Piezoelectric vibration sensing & IoT integration

7. Selection Guidelines

Consider environmental factors (temperature/humidity), system airflow requirements (CFM vs static pressure), maintenance accessibility, and regulatory standards (UL/CSA/CE). For high-contamination environments, select filters with differential pressure indicators. In vibration-prone applications, specify anti-resonance sleeve designs.

Industry Trends

Market evolution focuses on smart integration (IoT-enabled condition monitoring), nanocoating technologies for self-cleaning filters, and additive manufacturing for complex aerodynamic geometries. Regulatory pressures drive demand for UL94 V-0 flame-rated materials and RoHS-compliant production processes. Forecasted CAGR of 6.2% (2023-2030) driven by edge computing infrastructure growth.