Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
R87F-FG120

R87F-FG120

Omron Electronics Components

GRILL GUARD FOR 120MM FANS

5

R87F-FL120S

R87F-FL120S

Omron Electronics Components

FILTER SCREEN FOR 120MM FANS

25

R87F-FL80

R87F-FL80

Omron Electronics Components

FAN FILTER FOR 80X80MM PLASTIC

1

R87F-FL120

R87F-FL120

Omron Electronics Components

FILTER PLASTIC FOR 120MM FANS

24

R87F-FL90

R87F-FL90

Omron Electronics Components

FAN FILTER FOR 92X92MM PLASTIC

0

R87B-PF01

R87B-PF01

Omron Electronics Components

FAN FILTER REPLACEMENT 2PER PKG

18

R87FFG150

R87FFG150

Omron Electronics Components

GRILL GUARD 150MM DIA

17

R87F-FG80

R87F-FG80

Omron Electronics Components

GRILL GUARD FOR 80MM FANS

0

R87F-FG90

R87F-FG90

Omron Electronics Components

GRILL GUARD FOR 92MM FANS

0

R87B-N2

R87B-N2

Omron Electronics Components

FAN AC DOUBLE BOX

0

R87B-N

R87B-N

Omron Electronics Components

FAN AC SINGLE BOX

3

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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