Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
PFG-80N

PFG-80N

Mechatronics

FAN FILTER KIT 80MM W/ NYLON FIL

18

LZ32-3

LZ32-3

ebm-papst Inc.

FAN GUARD 80MM PLASTIC

635200

06362-SS

06362-SS

Qualtek Electronics Corp.

FAN FILTER/SCREEN STEEL 92MM

6054600

09325-M/60

09325-M/60

Qualtek Electronics Corp.

FILTR FAN ELEM 80MM 60PPI PKG/5

13682400

FF80

FF80

ebm-papst Inc.

FAN FILTER ASSEMBLY 80MM

128

08172

08172

Qualtek Electronics Corp.

FINGER GUARD 80MM METAL

0

LFGS200

LFGS200

Orion Fans

FAN FILTER GUARD ASSY 200MM ABS

4

G225

G225

Orion Fans

FAN GUARD METAL 225MM

274

QF-40-01

QF-40-01

Qualtek Electronics Corp.

FILTER MEDIA 40MM WHITE

4523100

G172-10HB

G172-10HB

Orion Fans

FAN GUARD METAL 172MM BLACK

1006

66312-2-4039

66312-2-4039

ebm-papst Inc.

GUARD BASKET 254MM FOR M4Q SER

50

109-721H

109-721H

Sanyo Denki

FINGER GUARD 200MM

0

09650-M/30

09650-M/30

Qualtek Electronics Corp.

FILTR FAN PLAS 150MM 30PPI PKG/5

360

SGR-31B

SGR-31B

Mechatronics

FAN FINGER GUARD 80MM W/ BLACK F

105

109-099H

109-099H

Sanyo Denki

FINGER GUARD 100MM

0

QSG-40-01

QSG-40-01

Qualtek Electronics Corp.

FINGER GUARD 40MM BLACK

0

LFG80B

LFG80B

Orion Fans

FAN GUARD LOUVERED 80MM BLACK

0

109-1000M40

109-1000M40

Sanyo Denki

FILTER MEDIA 1=5 120MM (40PPI)

0

PB-17

PB-17

Sunon

PLASTIC FAN GUARD 172MM

10

FP120

FP120

ebm-papst Inc.

FILTER

73

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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