Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
8443

8443

Keystone Electronics Corp.

FAN FILTER ASSEMBLY 40MM

194

LZ32-4

LZ32-4

ebm-papst Inc.

FAN GUARD 80MM METAL

277300

109-1001G

109-1001G

Sanyo Denki

92MM RESIN FAN GUARD

336

FGPT-120

FGPT-120

Richco, Inc. (Essentra Components)

FAN GUARD BLND HL MNT BLCK 120MM

2561

06450-B

06450-B

Qualtek Electronics Corp.

FAN FILTER SCREEN 120MM

857

08174

08174

Qualtek Electronics Corp.

FINGER GUARD 92MM METAL

11585

G60-4

G60-4

Orion Fans

FAN GUARD METAL 60MM

14468

109-1002M30

109-1002M30

Sanyo Denki

FILTER MEDIA 1=5 80MM (30PPI)

0

78130-2-4039

78130-2-4039

ebm-papst Inc.

GRILL GRD F/310MM CENTRIFUGL FAN

0

109-1003F20

109-1003F20

Sanyo Denki

RESIN FILTER KITS 60MM (20PPI)

0

8444

8444

Keystone Electronics Corp.

FAN FILTER ASSEMBLY 60MM

79484

FG50-40

FG50-40

CUI Devices

FAN GUARD, 50MM FAN, 40 X 40 MM

843

8451

8451

Keystone Electronics Corp.

GUARD FINGER FOR 3 5/8" FAN MET

665644

06362-B

06362-B

Qualtek Electronics Corp.

FAN FILTER ANODIZED BLACK 92MM

506800

M92-30

M92-30

Orion Fans

92MM FAN FILTER MEDIA 30PPM

769

8447

8447

Keystone Electronics Corp.

GUARD FINGER FOR 1 1/2" FAN MET

196546

LFGS120

LFGS120

Orion Fans

FAN FILTER GUARD ASSY 120MM ABS

65

LFGH280

LFGH280

Orion Fans

FAN FILTER GUARD ASSY 280MM ABS

5

SC80-M30/5

SC80-M30/5

GardTec

30PPI 80MM FILTER ULHF-1 PKG/5

287

LZ23-3

LZ23-3

ebm-papst Inc.

FAN GUARD 92MM PLASTIC

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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