Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
MG-250-20

MG-250-20

Mechatronics

FAN FINGER GUARD FOR UF250BMB WH

10

SGR-12

SGR-12

Mechatronics

FAN FINGER GUARD 30MM

40

SGR-59

SGR-59

Mechatronics

172MM FINGER GUARD

1366

09150-M/30

09150-M/30

Mechatronics

FILTER MEDIA 30PPI 40MM

29

09251-F/45

09251-F/45

Mechatronics

FILTER ASSEMBLY 45PPI 60MM

1718

MG-250-17

MG-250-17

Mechatronics

280MM FINGER GUARD

151

MG-25

MG-25

Mechatronics

254MM FINGER GUARD

989

09251-F/30

09251-F/30

Mechatronics

FILTER ASSEMBLY 30PPI 60MM

65

PFG-92N

PFG-92N

Mechatronics

FAN FILTER KIT 92MM W/ NYLON FIL

10

09362-F/30

09362-F/30

Mechatronics

FILTER ASSEMBLY 30PPI 92MM

30

PFG-80N

PFG-80N

Mechatronics

FAN FILTER KIT 80MM W/ NYLON FIL

18

SGR-31B

SGR-31B

Mechatronics

FAN FINGER GUARD 80MM W/ BLACK F

105

PFG2-80NR

PFG2-80NR

Mechatronics

FAN FILTER KIT 80MM W/ HOOD AND

0

09362-F/60

09362-F/60

Mechatronics

FILTER ASSEMBLY 60PPI 92MM

32

09325-M/45

09325-M/45

Mechatronics

FILTER MEDIA 45PPI 80MM

28

09251-M/45

09251-M/45

Mechatronics

FILTER MEDIA 45PPI 60MM

28

PFG2-15T

PFG2-15T

Mechatronics

FAN FILTER KIT 172MM W/ NYLON FI

0

09251-F/60

09251-F/60

Mechatronics

FILTER ASSEMBLY 60PPI 60MM

17

SG-47

SG-47

Mechatronics

FAN FINGER GUARD 120MM

0

SGR-24B

SGR-24B

Mechatronics

FAN FINGER GUARD 60MM W/ BLACK F

35

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

TypeFunctional CharacteristicsApplication Examples
Perforated Metal GuardsMechanical protection with 95% airflow retentionIndustrial motors, power tools
Polymer Mesh FiltersParticulate filtration (5-50 m efficiency)Server racks, medical devices
Aerofoil SleevesFlow guidance with 15-20% static pressure increaseAerospace cooling systems
EMI Shielding GuardsRadiation 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

ParameterValue RangeImportance
Material Temp Range-40 C to +150 COperational stability
Filter Efficiency80-99.97% @ 0.3 mContamination control
Pressure Drop5-50 PaEnergy consumption
Noise Level20-45 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

ManufacturerProduct SeriesKey Features
NMB TechnologiesAeroGuard ProIntegrated EMI shielding & variable pitch design
SunonwealthMagLev Filter SleeveMagnetic levitation bearing & 50,000h L10 life
Delta ElectronicsSmartAir GuardPiezoelectric 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.

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