• Ceiling laminar flow hood(LAF)

    Your reliable cleanroom equipment manufacturer
    Class100 Ceiling laminar flow hood(CLAF)

  • ceiling laminar flow hood
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What is Ceiling laminar flow hood?

Flair’s Ceiling Suspended Laminar Airflow Unit (CLAF) or Stand Mounted Laminar Airflow Unit (CLAF) are a containment equipment module utilizing a zoned unidirectional (laminar) downflow supply of air to positively pressurize and purge the working environment from potential contaminants; thereby providing enhanced aseptic work zones for maintaining process integrity and/or product protection.

It provides sterile CLASS 100 clean air in an isolated area where various kinds of critical and highly sensitive process activities are carried out.

Why do you choose Fair’s ceiling Laminar flow hood?

Flair LAF hood is designed as per CLASS 5 OF ISO 14644-1 standards. The cabinet will be mounted from the ceiling using SS rope/Thread road or SUS stands. Access for servicing the HEPA filters will be provided from the bottom side of the unit,

  • Easy to install

    Modular sections for ease of installation

  • Flexible

    Standard &customized  sizes are available,fit any cleanroom configuration

  • Low cost&Energy-efficient

    Supply/return air from duct collars, low wall returns or pre-filters

  • Easy to maintenance

    Inspection & replace HEPA filters are both  from within the clean area.

Flair ceiling laminar flow hood’s advantages

Large capacity EC blower

Blower

 High pressure centrifugal EC blower,low noise, three-grade adjustable air speed.

DOP&PAO PORTS

DOP/PAO

 Inject&Detect ports

Controller

Control panel/Touch screen display

DWYER Pressure Gauge

Dywer gauges

Zoned magnehelic gauges for differential pressure across filters

White membrane

White membrane

White membrane:transparent&nonopaque

gel-sealing-hepa-filter

GEL HEPA Filter

H14/U15 Better Sealing than the conventional gasket sealed design

Anti-static PVC Curtains

Anti-static PVC Curtains

Anti-static PVC curtain walls or mobile Tempered doors for sides available.

DOP port

Based on Class5 the ISO 14644–14 guidance, DOP injection & Inspection port

Custom LAF hood available

Welcome custom requirements on laminar flow hood with DOP.

Excellent cleanroom equipment

soft wall clean booth

Soft wall clean booth

Hard wall clean booth

Hard wall clean booth

Clean Booth

Ceiling laminar flow hood features

  • ceiling laminar flow hood
  • All material Stainless steel 304/316 material
  • White memenbrane under the downstream
  • Two grades filtering systems: H14 Gel HEPA/U15 ULPA filter+G4 pre filter
  • LED lights,Energy efficient lighting
  • DOP/PAO inject /detect ports
  • Dwyer Pressure gauge ,Filter pressure monitoring gauge
  • Touch screen display control or control box
  • Visual or audible alerts for Low and High pressure
  • Anti-static PVC curtain strips or mobile Tempered doors for sides
  • Supply/return air from duct collars, low wall returns or pre-filters
  • Equipped with Emergency stop /emergency alarming
  • Customized sizes and function are welcome
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Customize your Ceiling laminar flow hood(LAF)

Your Reliable Cleanroom equipment manufacturer

Custom ceiling laminar flow hoods are welcome,Please send your inquiry to us.

We have more than 18 years of experience in manufacturing high-quality cleanroom system products, and over 30 engineers are specialized in this field, winning a good reputation in the market.

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DrawingSpecification

Technical Drawing

Technical Parameters

Model No. 1200X800X600 1300X1200X600 2200X1200X600
Power Supply 220V 50/60HZ/1P/0.25KW 220V 50/60HZ/1P/0.5KW 220V 50/60HZ/1P/0.75KW
Material All material are polished SUS304#/316# plate
Air velocity 0.3~0.7m/s
Controller Stepless/3-step /Variable frequency/Automatic constant air speed PID
Differential pressure mechanical pressure difference meter /Electronic pressure difference transmitter
Control Panel Button/Touch screen
Cleanliness ISO5(Class100）
Illumination >300Lux
Noise <65db

Applications

Ceiling Laminar Airflow are used for various applications such as, over a packing and filling lines in the pharmaceutical industry, food processing industry, in the assembly line of precious engineering components, pre-operative and post-operative care of critically ill patients and widely being used inside the OPERATION THEATRE during critical surgery etc.

Class100 hood ceiling filter hood
Laminar flow hood
Laminar flow hood

FAQs

Find answers to frequently asked questions about our products. See the most common topics and more. Any other questions just feel free to contact us.

Air is drawn through a HEPA filter and blown in a unidirectional flow across the white membrane ,into the work space, preventing airborne contaminants from entering.

LAF hood insrallation steps

LAF hood insrallation steps

What’s the difference between a laminar flow hood and a biosafety cabinet?
A laminar flow hood protects the sample only, while a biosafety cabinet protects both the sample and the user from harmful biological agents.

DOP testing involves releasing a fine aerosol (formerly using Dioctyl Phthalate, now replaced by PAO – Polyalphaolefin) and using a photometer to detect particle penetration through the HEPA filter. It confirms the filter is intact and performing at ≥99.97% efficiency.

DOP testing ensures the HEPA /ULPA filter integrity required for maintaining ISO 5 cleanliness. It verifies that no contaminated air bypasses the filter.

Laminar (unidirectional) flow prevents turbulence and cross-contamination. Typically, ISO5/class100 hoods maintain 90–110 feet per minute (fpm) airflow.

Yes, but only when the LAF hood is not in use. UV sterilization adds another layer of decontamination but doesn’t replace airflow or filtration.

A:

  • Daily surface cleaning with isopropyl alcohol

  • Scheduled filter checks

  • Annual DOP/PAO certification

  • Monitoring airflow consistency

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