Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
08155

08155

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 254MM

839

G80POG

G80POG

Orion Fans

FAN GUARD PLASTIC 80MM PUSH ON

122

06250-M

06250-M

Qualtek Electronics Corp.

FAN FILTER MILL (NO FINISH) 60MM

679200

AFM-80M

AFM-80M

GardTec

FAN FILTER 80MM METAL

528

09150-R

09150-R

Qualtek Electronics Corp.

PLASTIC FAN GUARD RETAINER 40MM

532424900

09450-M/100

09450-M/100

Qualtek Electronics Corp.

FAN FILTER ELEMENT 100PPI PKG/5

179

9498-2-4039

9498-2-4039

ebm-papst Inc.

GUARD 130/142/143/144

37

WMG127B

WMG127B

Orion Fans

FAN GUARD 127MM WIRE MESH

0

SC92-P15/30

SC92-P15/30

GardTec

92MM PLASTIC FAN GUARD 30PPI

3364

109-1001F20

109-1001F20

Sanyo Denki

RESIN FILTER KITS 92MM (20PPI)

223

78128-2-4039

78128-2-4039

ebm-papst Inc.

FINGER GUARD F/W1G & W2E SERIES

6681810

CFFA-600

CFFA-600

CUI Devices

FAN FILTER, 60 MM FAN, 65.5 X 65

409

09450-R

09450-R

Qualtek Electronics Corp.

PLASTIC FAN GUARD RETAINER 120MM

578

SC100-W52

SC100-W52

GardTec

140MM EURO FAN GUARD

591

9418-2-4039

9418-2-4039

ebm-papst Inc.

FINGER GUARD F/W1G & W2E250 SER

452500

09450-M/60

09450-M/60

Mechatronics

FILTER MEDIA 60PPI 120MM

123

FG92-825

FG92-825

CUI Devices

FAN GUARD, 92MM FAN, 82.5 X 82.5

388

LFG120FHD

LFG120FHD

Orion Fans

FILTER HD FOAM 120MM

39

8499

8499

Keystone Electronics Corp.

FAN GUARD 120MM

0

09651-G

09651-G

Qualtek Electronics Corp.

FINGER GUARD 150MM PLASTIC

4855

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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