Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
08139

08139

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 120MM

0

08202

08202

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 120MM

0

109-1050

109-1050

Sanyo Denki

FINGER GUARD 36MM

0

FK40-30

FK40-30

Sanyo Denki

FILTER KIT 40MM 30PPI

0

7F.02.0.000.2000

7F.02.0.000.2000

Finder Relays, Inc.

EXHAUST FILTER SIZE 2 UL TYPE 12

1

PB-06

PB-06

Sunon

PLASTIC FAN GUARD 60MM

8

109-619H

109-619H

Sanyo Denki

FINGER GUARD 160MM

0

08191

08191

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 80MM

0

FG-8B

FG-8B

Sunon

FAN GUARD 80MM METAL BLACK

28

FG-9/45

FG-9/45

Sunon

PLASTIC FILTER GUARD 92MM

0

LZ33-2

LZ33-2

ebm-papst Inc.

GUARD PLAST BARBD HOLE 5200,5900

0

109-722H

109-722H

Sanyo Denki

127MM X 175MM GUARD BLACK

40

09325-F/60

09325-F/60

Qualtek Electronics Corp.

FINGER/FILTR ASM 80MM PLAS 60PPI

0

HEF070ACA

HEF070ACA

Delta Electronics / Fans

204X204X49MM EXHAUST GRILLE PACK

0

109-1001M40

109-1001M40

Sanyo Denki

FILTER MEDIA 1=5 92MM (40PPI)

0

AFG-15T

AFG-15T

Mechatronics

172MM ALUMINUM FAN FILTER KIT

0

FG-4/45

FG-4/45

Sunon

PLASTIC FILTER GUARD 40MM

0

109-1003M40

109-1003M40

Sanyo Denki

FILTER MEDIA 1=5 60MM (40PPI)

0

109-1066

109-1066

Sanyo Denki

FINGER GUARD 172MM

110

08258

08258

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 80MM

1400

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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