Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
09650-M/100

09650-M/100

Qualtek Electronics Corp.

FILTR FAN PLA 150MM 100PPI PKG/5

140

09650-M/45

09650-M/45

Qualtek Electronics Corp.

FILTR FAN PLAS 150MM 45PPI PKG/5

133640

09251-M/45

09251-M/45

Mechatronics

FILTER MEDIA 45PPI 60MM

28

08220

08220

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 150MM

0

08203

08203

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 120MM

0

HR1626414

HR1626414

nVent Hoffman

15.81" FILTER FAN 230V 7035 GRAY

0

109-1003M13

109-1003M13

Sanyo Denki

FILTER MEDIA 1=5 60MM (13PPI)

0

08219

08219

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 254MM

0

08193

08193

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 92MM

100

50972-2-4039

50972-2-4039

ebm-papst Inc.

GRILL GUARD 300MM FOR M4Q SERIES

0

PFG2-15T

PFG2-15T

Mechatronics

FAN FILTER KIT 172MM W/ NYLON FI

0

LFG92B

LFG92B

Orion Fans

FAN GUARD LOUVERED 92MM BLACK

0

09251-F/60

09251-F/60

Mechatronics

FILTER ASSEMBLY 60PPI 60MM

17

109-1036

109-1036

Sanyo Denki

EMC GUARD 172MM TYPE

50

09650-R

09650-R

Qualtek Electronics Corp.

PLASTIC FAN GUARD RETAINER 150MM

50

SC80-P40

SC80-P40

GardTec

80MM THIN PLASTIC FAN GUARD

0

SG-47

SG-47

Mechatronics

FAN FINGER GUARD 120MM

0

SGR-24B

SGR-24B

Mechatronics

FAN FINGER GUARD 60MM W/ BLACK F

35

08221

08221

Qualtek Electronics Corp.

WIRE FORM FAN GUARD 80MM

0

09150-F/100

09150-F/100

Qualtek Electronics Corp.

FINGR/FILTR ASM 40MM PLAS 100PPI

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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