Fans - Finger Guards, Filters & Sleeves

Image Part Number Description / PDF Quantity Rfq
PRF120

PRF120

ebm-papst Inc.

FAN ACCESSORY

146

95780-1-5171

95780-1-5171

ebm-papst Inc.

FILTER FOR BLOWER 180 MM

8

LZ37-2

LZ37-2

ebm-papst Inc.

FINGER GUARD METAL

4

LZ33-1

LZ33-1

ebm-papst Inc.

GUARD PLAST SCREW HOLE 5200,5900

15

FF92

FF92

ebm-papst Inc.

FAN FILTER ASSEMBLY 92MM

33

2678-2-2945

2678-2-2945

ebm-papst Inc.

SHOCK&VIBRATION MNT 4000 SERIES

232

LZ32-2

LZ32-2

ebm-papst Inc.

FAN GUARD 80MM PLASTIC

128

LZ30P

LZ30P

ebm-papst Inc.

FINGER GUARD PLAST 4000,9000 SER

21221383

LZ32P

LZ32P

ebm-papst Inc.

FINGER GUARD PLASTIC F/8000 SER

162

38182-2-2929

38182-2-2929

ebm-papst Inc.

PLASTIC FAN GUARD

0

LZ30

LZ30

ebm-papst Inc.

FAN GUARD 119MM METAL

180510375

LZ29-1

LZ29-1

ebm-papst Inc.

FAN GUARD 40MM METAL

16771375

50950-2-4039

50950-2-4039

ebm-papst Inc.

FINGER GRD W2E142,W2G130, W2S130

30

9497-2-4039

9497-2-4039

ebm-papst Inc.

GUARD 107/110/113

10

35138-2-4039

35138-2-4039

ebm-papst Inc.

GUARD 208 OUTLET SIDE

0

LZ22-2

LZ22-2

ebm-papst Inc.

FINGER GUARD 80MM

3

10023-1-5170

10023-1-5170

ebm-papst Inc.

GRILL GRD FLTR&SPACR F/92MM FAN

87

88601-2-2929

88601-2-2929

ebm-papst Inc.

127MM PLASTIC FINGER GUARD

102

95779-1-5171

95779-1-5171

ebm-papst Inc.

FILTER REPLACMENT 108/120

10

LZ35

LZ35

ebm-papst Inc.

FINGER GUARD METAL F/5200,5900

59775

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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