Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
07F.35

07F.35

Finder Relays, Inc.

FILTER MAT - SIZE 3

0

109-720H

109-720H

Sanyo Denki

FINGER GUARD 200MM

0

09450-G

09450-G

Mechatronics

FILTER GUARD 120MM

0

09325-F/100

09325-F/100

Mechatronics

FILTER ASSEMBLY 100PPI 80MM

49

109-1139

109-1139

Sanyo Denki

FINGER GUARD 136MM

0

09362-F/100

09362-F/100

Qualtek Electronics Corp.

FINGR/FILTR ASM 92MM PLAS 100PPI

0

LFG80BF/PK

LFG80BF/PK

Orion Fans

FILTER FOR LFG80/LFG80B (5 PER P

39

109-1137

109-1137

Sanyo Denki

225MM CENT FAN GUARD

0

PFG2-92NR

PFG2-92NR

Mechatronics

FAN FILTER KIT 92MM W/ HOOD AND

0

FG-18A

FG-18A

Sunon

METAL FAN GUARD 176MM

0

R87B-N2

R87B-N2

Omron Electronics Components

FAN AC DOUBLE BOX

0

FG-35

FG-35

Sunon

METAL FAN GUARD 35MM

0

09251-G

09251-G

Mechatronics

FILTER GUARD 60MM

100

SG-36B

SG-36B

Mechatronics

FAN FINGER GUARD 92MM W/ BACK FI

0

109-1002M40

109-1002M40

Sanyo Denki

FILTER MEDIA 1=5 80MM (40PPI)

0

08169

08169

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 150MM

700

SG-14B

SG-14B

Mechatronics

FAN FINGER GUARDS 40MM W/ BLACK

0

LFGH254

LFGH254

Orion Fans

FAN GUARD LOUVERED HINGED 254MM

22

07F.55

07F.55

Finder Relays, Inc.

FILTER MAT - SIZE 5

0

109-1002F30

109-1002F30

Sanyo Denki

RESIN FILTER KITS 80MM (30PPI)

28

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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