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Operating Room Laminar Air Flow

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Operating Room Laminar Air Flow

Operating Room Laminar Air Flow

Operating room laminar air flow(also named laminar flow ceiling) is mainly used for filtering air supplied by the ventilation system to protect operating room from contamination from outside, ensuring that the cleanliness can meet the surgery requirements. 

It mainly consist of box body, HEPA filters, uniform flow film, air duct connections, etc. The material of body box is optional with high quality stainless steel or painted galvanized steel, which features good corrosion resistance and wear resistance.

Product Specifications

ModelORLAF-24ORLAF-18ORLAF-14
External Size(L*W*H) mm2600*2400*5102600*1800*5102600*1400*510
HEPA Filter Size(L*W*H) mm1170*687*69-4pcs
965*687*69-2pcs
1170*486*69-4pcs
965*486*69-2pcs
1390*390*69-2pcs
990*800*69-2pcs
Main Body Material304 Stainless Steel or Sprayed Galvanized Steel
Filter TypeMini-pleat Gel Sealed HEPA Filter
Air Speed0.45 m/s0.3 m/s0.23 m/s

Laminar Air Flow Ceiling-The Complete FAQ Guide

Learn more about the operating rooms laminar air flow ceiling with this guide. We prepare some questions and answers for you.

How Does a Laminar Air FLow Work in an Operating Room?

A laminar air flow ceiling is a highly engineered modular operating room component designed to create a continuous, uniform, and unidirectional downward flow of ultra-clean, HEPA or ULPA-filtered air over the sterile surgical zone (e.g., the operating table). It works by drawing ambient air through pre-filters, then forcing it through the final filter bank to remove particles and microorganisms, creating a pristine “air curtain” that protects the surgical wound from airborne contamination.

Working Principle of Laminr air flow in operating room

Picture 1  Operating Room LAF Working Principle

What Are the Key Features of the KINROM Operating Room Laminar Flow Ceiling?

The KINROM operating room laminar flow ceiling is a fully integrated, unitized system engineered to deliver superior cleanliness, reliability, and operational efficiency in critical surgical environments. Its design and performance are characterized by the following key features:

1. Unitized Factory-Assembled Design

Each ceiling unit is fully assembled and sealed under controlled factory conditions. This approach not only ensures consistent quality and integrity but also significantly reduces on-site installation time, labor cost, and logistical complexity.

2. Exceptional Sealing & Leak Prevention

The cabinet body is fully welded to guarantee structural airtightness. Units are bolted together with durable seals at joints to ensure both immediate and lasting tightness. A multi-point mechanical sealing system between units prevents air cross-flow, and Gel-sealed HEPA/ULPA filters are used to achieve a leak-free filtration ceiling.

3. Controllable Unidirectional Laminar Airflow

The ceiling delivers stable, unidirectional airflow in accordance with EN ISO 14644 standards, maintaining a uniform air velocity of 0.25–0.35 m/s across the entire surgical zone. This design minimizes turbulence, swiftly removes airborne contaminants, and upholds a consistently sterile field.

4. Durable & Cleanable Material Construction

All casing and structural components are made of galvanized steel and coated with RAL 9010 epoxy paint, providing resistance to standard hospital disinfectants and supporting repeated cleaning in demanding clinical environments.

5. Quick & Secure Filter Installation

An internal rotary pressure block system around the casing enables simple, reliable, and tool-friendly filter installation while maintaining consistent seal pressure and airtight performance over time.

6. Seamless Integration with OR Equipment

The design accommodates smooth coordination with surgical lights, equipment booms, monitors, and other ceiling-mounted devices, ensuring an uncluttered layout and unimpeded workflow.

7. Rapid Room Recovery & High Operational Efficiency

Combined with high airflow efficiency and effective sealing, the system enables quick air exchange and environmental recovery between procedures, enhancing operating room turnover and utilization rates.

What ISO Cleanliness Class Can Your Laminar Flow Ceilings Achieve?

Our systems are designed to achieve and maintain from ISO 5 (Class 100) to ISO 7 (Class 10,000) directly over the critical surgical site, in accordance with ISO 14644-1 standards, when integrated into a properly designed and balanced OR environment.

How to Install a Operating Room Laminar Air Flow Ceiling?

What Are the Main Structural Material Options for the KINROM Laminar Flow Ceiling?

KINROM offers two primary, high-standard structural material options to meet diverse client needs and budgets: Stainless Steel and Galvanized Steel with Epoxy Coating. Both ensure the system’s core performance but have distinct characteristics.

Option 1: Stainless Steel

Material Description: The plenum and main structure are typically constructed from Grade 304 or 316 stainless steel.
Key Advantages:
Superior Corrosion Resistance: Especially Grade 316, which offers exceptional resistance to chlorine-based disinfectants, alcohols, and other chemicals. It is virtually rust-proof, making it ideal for harsh environments like coastal areas, high-humidity zones, or facilities using strong disinfectants frequently.
Exceptional Strength & Durability: Provides very high mechanical strength, ensuring extreme structural stability and an exceptionally long lifecycle.
Ease of Cleaning & Maintenance: The surface (often brushed or polished) is dense and non-porous, preventing stain and bacterial adhesion, allowing for thorough and easy cleaning and disinfection.
Premium Aesthetic: Offers a modern, professional, and clean appearance that enhances the overall quality feel of the operating room.
Ideal For: Operating rooms with the highest demands for lifespan, environmental resistance, cleaning standards, and overall premium quality, such as new high-end hospitals, major operating suites, or lab renovation projects with specific chemical exposure risks.

Option 2: Galvanized Steel

Material Description: Uses high-quality galvanized steel as the base material. The surface is precisely treated and coated with a high-performance epoxy resin paint.
Key Advantages:
Excellent Cost-Effectiveness: Provides a reliable and robust solution with a more favorable cost-benefit ratio while ensuring critical performance.
Powerful Combined Protection: The zinc layer offers fundamental anti-corrosion (cathodic protection), while the epoxy coating forms a robust chemical barrier, providing complete resistance to repeated cleaning with all standard hospital disinfectants.
Excellent Sealing & Smoothness: The steel allows for complex sealing structures, and the epoxy coating creates a seamless, smooth, and non-porous finish, perfectly meeting the stringent cleanroom requirements of being crevice-free and easy to clean.
Proven Technology & Stable Process: This is a classic, globally proven solution for medical projects, with mature and stable manufacturing processes ensuring consistent quality.
Ideal For: The preferred choice for the vast majority of standard operating rooms, ambulatory surgery centers, and medical renovation projects with budget considerations. It fully meets and exceeds the regulatory requirements for infection control and long-term use.

How to Get a Quote for KINROM Operating Room Laminar Flow Ceilings?

To get a quick preliminary quote, please provide these two key details:
1. Required Cleanliness Grade (e.g., ISO Class 5, 6, or 7).
2. Choice of Structural Material:
Option A: Galvanized Steel with Epoxy Coating.
Option B: Stainless Steel.
Ready to Get Your Specific Quote?
Contact our sales team today. We will promptly prepare your preliminary assessment and guide you through the next steps.

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