Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
LFG225

LFG225

Orion Fans

FAN FILTER GUARD ASSY 225MM ABS

1

WMG60M

WMG60M

Orion Fans

FAN GUARD 60MM WIRE MESH NATURAL

2657

GRM80-45

GRM80-45

Orion Fans

FAN FILTER 80MM 45PPI

487

G40-2

G40-2

Orion Fans

FAN GUARD METAL 40MM

8347

LFGH8092

LFGH8092

Orion Fans

FAN GUARD LOUVERED HINGED 80MM A

355

LFGS120FHDP

LFGS120FHDP

Orion Fans

FILTER, HDP FOAM PYROCIDE 120MM

0

M80-30

M80-30

Orion Fans

80MM FAN FILTER MEDIA 30PPM

541

G80-18B

G80-18B

Orion Fans

FAN GUARD METAL 80MM BLACK

679

LFGS172

LFGS172

Orion Fans

FAN FILTER GUARD ASSY 172MM ABS

59

LFG280FHDH

LFG280FHDH

Orion Fans

FILTER HD FOAM HYDROPHOBIC 280MM

0

G119-8

G119-8

Orion Fans

FAN GUARD METAL 127MM

0

G120POG

G120POG

Orion Fans

FAN GUARD PLASTIC 120MM PUSH ON

669

LFG254FHD

LFG254FHD

Orion Fans

FILTER HD FOAM 254MM

0

LFGS120FHDH

LFGS120FHDH

Orion Fans

FILTER, HD FOAM HYDROPHOBIC 120M

28

WMG172B

WMG172B

Orion Fans

FAN GUARD 172MM WIRE MESH BLACK

350

M60-30

M60-30

Orion Fans

60MM FAN FILTER MEDIA 30PPM

2049

LFGH172

LFGH172

Orion Fans

FAN FILTER GUARD ASSY 172MM ABS

40

LFG200FHDH

LFG200FHDH

Orion Fans

FILTER HD FOAM HYDROPHOBIC 200MM

32

G162-12

G162-12

Orion Fans

FAN GUARD METAL 162MM

0

LFG172FHDH

LFG172FHDH

Orion Fans

FILTER HD FOAM HYDROPHOBIC 172MM

0

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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