Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
LZ60-8

LZ60-8

ebm-papst Inc.

FILTER MESH FOR 8000 SERIES

10840

FF172

FF172

ebm-papst Inc.

FAN FILTER ASSEMBLY 172MM

15

10024-1-5170

10024-1-5170

ebm-papst Inc.

GRILL GRD FLTR&SPACR F/127MM FAN

7250

PRF60

PRF60

ebm-papst Inc.

FAN ACCESSORY

27

LZ28

LZ28

ebm-papst Inc.

FINGER GUARD 60MM 4 RINGS

14942257

LZ30-5

LZ30-5

ebm-papst Inc.

FAN GUARD 119MM PLASTIC

705

LZ23-2

LZ23-2

ebm-papst Inc.

FAN GUARD 92MM PLASTIC

139

FF60

FF60

ebm-papst Inc.

FAN FILTER ASSEMBLY 60MM

76

9496-2-4039

9496-2-4039

ebm-papst Inc.

FINGER GUARD F/W1G115 & W2G115

17

10020-1-5170

10020-1-5170

ebm-papst Inc.

GRILL GRD FLTR&SPACR F/80MM FAN

187

9493-2-4039

9493-2-4039

ebm-papst Inc.

FINGER GUARD FOR 180 BLOWER

12

LZ22

LZ22

ebm-papst Inc.

FAN ACCESSORY

103

34265-2-2929

34265-2-2929

ebm-papst Inc.

PLASTIC FAN GUARD

0

B10017-1-5170

B10017-1-5170

ebm-papst Inc.

GRILL GRD & FLTR F/119MM FAN

44

FF119

FF119

ebm-papst Inc.

FAN FILTER ASSEMBLY 119MM

365

92164-2-2929

92164-2-2929

ebm-papst Inc.

BARBED GUARD 107/110/113

81

LZ32-3

LZ32-3

ebm-papst Inc.

FAN GUARD 80MM PLASTIC

635200

FF80

FF80

ebm-papst Inc.

FAN FILTER ASSEMBLY 80MM

128

66312-2-4039

66312-2-4039

ebm-papst Inc.

GUARD BASKET 254MM FOR M4Q SER

50

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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