Laminar Airflow Unit (Workstation) is a cabinet fitted with a HEPA filtered airflow system. Here, laminar means a unidirectional constant flow of air with almost no or minimal turbulence. The airflow velocity remains between 0.3 m/s to 0.5 m/s. The purpose of using such workstations in the laboratory is to create a particle and bacteria-free working environment to carry out specialized work. As these units discharge air towards the user, they provide no personal protection but product protection from room contaminants. LAF is a short form of laminar airflow. also known as LAF.
In the Laminar Airflow Unit (Workstation), room air is entered into the working area through a HEPA filter fitted on the back side of the cabinet. Filtered air flows Vertically toward the user creating a sterile working environment. The efficiency of a Laminar Air Flow workstation depends upon the quality of pre-filters and HEPA filters. In our LAF, the Air filtration system is created to work efficiently even in critical environments. Pre-filters that we use are box-type pleated having an efficiency of 95% down to 5 microns and made of HDPE + Non-woven + HDPE mesh media and fitted in an aluminum case. The HEPA filters are of high quality having an efficiency of 99.999 % down to 0.3 microns and fitted in an aluminum anodized case. The blower assembly has ¼ HP; 1400 RPM branded motor and has aluminum anodized impellers.
The working area is carefully designed for comfortable working and easy cleaning. The workbench is made of stainless steel. Standard fittings are air/gas cock and electrical outlet. For illumination, we use fluorescent lamps. The front side of the working area is covered by a manual sliding door (sash), which is made of transparent acrylic plastic. LCD display for air velocity, time, and lamp on/off status is displayed on it. Germicidal UV lamp, extra electrical socket, and Magnehelic gauge are also fitted if required.
V-Mac Engineers is a Leading Laminar Airflow Unit (Workstation) manufacturer in India. We supply to all over India as well as abroad. Our LAF delivers low noise and easy-to-use operation, and rugged construction promises long service life. we make standard and customized LAF to any customer-provided size. Every Laminar Airflow Unit (Workstation) is made to comply with international standards and supplied at an industry-leading price in India.
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Technical Specifications
| Parameter | Specification |
| Air Flow | Vertical Flow |
| Air Cleanliness | Dust counts exceeds Class 100 requirements as per ISO 14644 & IEST-RP-CC001.3 |
| Air Velocity | 90 ± 20 FPM at 150 mm from HEPA Filter Face, (0.45 ± 0.05 m/s) |
| Material Thickness | 1 mm / 1.2 mm or In Combination |
| Surface Finish | Matte Finish No. 4 |
| Material Grade | SS 304 / SS 316 / SS 316L / In Combination |
| HEPA Filter | 0.3 Micron, H14 Grade with Efficiency 99.999%, Supply Minipleat HEPA Filter |
| Pre-Filter | 5 Micron, EU5 grade with Efficiency 95% – Washable (For Fresh Air & Recirculation) |
| Protective Grille | Yes for HEPA Filters and Pre Filters |
| Motor Blower | Statically & Dynamically Balanced Single/Double Inlet Centrifugal Type Motor Blower |
| Magnehelic Gauge | 0 to 25 MM, To measure differential pressure across HEPA Filter |
| Speed Variable | To adjust the speed of Motor Blower and maintain the required velocity. |
| Display | Two Line Digital Display with ON/OFF Buttons with LED Indication |
| LED Light | Diffused Fluorescent Lighting to provide an intensity of 300 LUX |
| Alarm System | Audio Visual Alarm for Blower Trip |
| System Protection | Password Protected System |
| DOP/PAO Test Port | SS 304 (For HEPA Filter Testing) |
| Atmospheric Nozzle | SS 304 |
| Noise Level | Less than 65 DB on scale |
| Power Supply | 230V ± 10V, 50 Hz, Single Phase (Also Available in 3 Phase) |
| Documentation | DQ, IQ and OQ Documents along with all Necessary Test Certificates |
GA Diagram / Drawing of Laminar Airflow Unit (Workstation) (LAF)
Standard Size of Laminar Airflow Unit (Workstation) (LAF)
| Internal Size in Feet (W X D X H) |
Internal Size in MM (W X D X H) |
HEPA Filter Size in Feet (W X D X H) |
| 2 X 2 X 2 | 610 X 610 X 610 | 2 Feet X 2 Feet X 3 Inch |
| 3 X 2 X 2 | 915 X 610 X 610 | 3 Feet X 2 Feet X 3 Inch |
| 4 X 2 X 2 | 1220 X 610 X 610 | 4 Feet X 2 Feet X 3 Inch |
| 6 X 2 X 2 | 1830 X 610 X 610 | 3 Feet X 2 Feet X 3 Inch (2 Nos) |
| *We also manufacture Laminar Airflow Unit (Workstation) (LAF) size as per customer’s requirement | ||
Warranty and Service Support
We provide 1 year manufacturing warranty from the date of dispatch, We believe in best of the quality and after-sales service support.
Documentation
- Design Qualification
- Installation Qualification
- Operational Qualification
Certificates
- M.O.C. Certificate
- Test Certificate for Controller
- Other Required Certificates
- HEPA Filter Test Certificate
- Pre Filter and Fine Filter Test Certificate
- Motor Blower Test Certificate
- Control Panel Test Certificate
- Differential Pressure Gauge Calibration Certificate
Areas of Application
- Pharmaceutical Industries
- Hospitals and Medial
- Microbiology Laboratories
- Chemical Research Laboratories
- Food Processing Industries
- Electronics Industries
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