| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Qualtek Electronics Corp. |
FAN FILTER/SCREEN STEEL 80MM |
12842600 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 150MM METAL |
381 |
|
 |
Qualtek Electronics Corp. |
FAN EMI FILTER SHIELD 119MM META |
1023 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 120MM METAL |
11247 |
|
 |
Qualtek Electronics Corp. |
FILTER ELEM 40MM 30PPI PKG/5 |
4297960 |
|
 |
Qualtek Electronics Corp. |
FINGER/FILTR ASM 60MM PLAS 60PPI |
876 |
|
 |
Qualtek Electronics Corp. |
PLASTIC FAN GUARD RETAINER 92MM |
36029800 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 50MM METAL |
708114800 |
|
 |
Qualtek Electronics Corp. |
FAN FILTER/SCREEN STEEL 120MM |
0 |
|
 |
Qualtek Electronics Corp. |
FILTR FAN ELEM 60MM 100PPI PKG/5 |
765800 |
|
 |
Qualtek Electronics Corp. |
FILTER MEDIA 60MM WHITE |
236 |
|
 |
Qualtek Electronics Corp. |
FINGER/FILTR ASM 40MM PLAS 30PPI |
23215175 |
|
 |
Qualtek Electronics Corp. |
FAN SLEEVE 60MM BLACK RUBBER |
526 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 80MM METAL |
6129 |
|
 |
Qualtek Electronics Corp. |
FILTER ELEM 40MM 100PPI PKG/5 |
2000 |
|
 |
Qualtek Electronics Corp. |
FILTER MEDIA 119MM WHITE |
11911600 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 60MM BLACK |
2050 |
|
 |
Qualtek Electronics Corp. |
FILTR FAN ELEM 80MM 100PPI PKG/5 |
2480 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD PLAS 150MM 100PPI |
3 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 80MM PLASTIC |
3836 |
|
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.
| 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 |
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.
| 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 |
| 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 |
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.
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.