| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Qualtek Electronics Corp. |
FINGER GUARD 25MM METAL |
0 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD PLAS 150MM 60PPI |
0 |
|
 |
Qualtek Electronics Corp. |
FAN FILTER SCREEN 80MM |
30472400 |
|
 |
Qualtek Electronics Corp. |
WIRE FORM FAN GUARD 254MM |
839 |
|
 |
Qualtek Electronics Corp. |
FAN FILTER MILL (NO FINISH) 60MM |
679200 |
|
 |
Qualtek Electronics Corp. |
PLASTIC FAN GUARD RETAINER 40MM |
532424900 |
|
 |
Qualtek Electronics Corp. |
FAN FILTER ELEMENT 100PPI PKG/5 |
179 |
|
 |
Qualtek Electronics Corp. |
PLASTIC FAN GUARD RETAINER 120MM |
578 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 150MM PLASTIC |
4855 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 254MM METAL |
205125 |
|
 |
Qualtek Electronics Corp. |
WIRE FORM FAN GUARD 176MM |
0 |
|
 |
Qualtek Electronics Corp. |
FILTR ASSB FAN GUARD 92MM 45PPI |
79853975 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 40MM METAL |
2147483647 |
|
 |
Qualtek Electronics Corp. |
FAN SLEEVE 119MM BLACK RUBBER |
36550 |
|
 |
Qualtek Electronics Corp. |
FAN FILTER SCREEN 120MM |
857 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 92MM METAL |
11585 |
|
 |
Qualtek Electronics Corp. |
FAN FILTER ANODIZED BLACK 92MM |
506800 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 50MM METAL |
758 |
|
 |
Qualtek Electronics Corp. |
FAN SLEEVE 40MM BLACK RUBBER |
1491800 |
|
 |
Qualtek Electronics Corp. |
FINGER GUARD 30MM METAL |
5080 |
|
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.