Clean bench: Definition, Specifications And More
Clean bench or cleanroom work bench is a work cabinet providing filtered unidirectional airflow across the work surface to protect products against contamination.
1. What is a clean bench?
Clean bench or cleanroom work bench is a work cabinet providing filtered unidirectional airflow across the work surface to protect products against contamination.
The clean bench, unlike a biological safety cabinet, protects the work on the work surface but not the personnel or the surrounding environment from aerosols created on the work surface. The HEPA air filter is capable of trapping 99.999% of 0.3 micron particles.
2. Clean bench working principle
Clean benches work by the use of in-flow laminar air drawn through one or more HEPA filters, designed to create a particle-free working environment and provide product protection. Air is taken through a filtration system and then exhausted across the work surface as part of the laminar flows process.
Commonly, the filtration system comprises a pre-filter and a HEPA filter.
3. Clean bench applications
Clean benches are applied to the settings where personnel work with non-hazardous materials. This place needs dust-free air to avoid contamination.
Clean benches are used in a variety of applications such as research, manufacturing, hospitals, pharmaceutical production, and food processing industries.
4. Vertical laminar flow clean bench and horizontal laminar flow clean bench
According to airflow direction, clean benches are divided into 2 types: Vertical laminar flow clean bench and horizontal laminar flow clean bench.
Both types provide a unidirectional airflow, ensuring a workspace devoid of contaminants and may be customed to the cleanroom requirements.
5. Standard clean bench specifications by VCR - LENGE
Model
Outer Size
W×D×H
Inner Size
W×D×H
Cleanliness
Class
Rated Wind
Speed
（m/s）
HEPA Size
L×W×D
Types
LVCW09-081070
970×770×1800
810×700×550
Class A
0.45±20%
720×610×93×1
Single Side Vertical Air Supply
LVCW15-130070
1460×770×1800
1300×700×550
590×610×93×2
Double Sides Vertical Air Supply
LVCW06-082048
900×700×1450
820×480×600
650×540×93×1
Single Side Horizontal Air Supply
LVCW13-168048
1760×700×1450
1680×480×600
740×540×93×2
Double Sides Horizontal Air Supply
Note: specifications listed in the above table are only for customers' reference. It is mostly designed and manufactured according to customers' URS.
Vietnam Cleanroom Equipment (VCR) specializes in providing cleanroom equipment for construction contractors in Viet Nam. We provide high-quality products with competitive prices and large quantities nationwide. The equipment includes:
Differential pressure gauge, FFU Fan Filter Unit, Pass box, Clean room air filter, HEPA box, Clean booth, cleanroom steel door, Isolator cabinet, and other equipment
For details, please refer to Vietnam cleanroom equipment official website
