Air shower


Air showers are the specialised chambers which people must pass through before entering cleanrooms in order to decontaminate. Air showers are considered essential equipment in fields where sterile or dust-free conditions are critical. The biggest contaminant in cleanroom is the fine particles attached to clothing, footwear and materials. Air shower helps to remove such fine particles by using air jet to blow at cleanroom clothing and materials before entering a cleanroom. ORAI VN air showers are available in a variety of customized sizes and configurations to suit specifications of the clients.

  • Module design for versatile usage
  • Designed to ensure minimum vibration and noise level < 60 db
  • Operating modes can be programmed on site
  • High velocity shower jets in excess of 23 m/s ensure effectiveness in removing particles
  • The pre-purge time is adjustable from 0 to 90 seconds
  • Pre-filters remove around 85% of particulate matters, therefore reducing the load on HEPA filters and increasing their efficiency and life span. HEPA filters sealed with an upstream and
  • Indicator lights on both sides of the air shower for regulation of traffic within the cubicle
  • Emergency buttons on both sides of the air shower to prevent accidental lock-outs
  • Interlocked and magnetically operated doors to prevent them from opening at the same time
General Specifications Air Shower Cabinets
Model OAS -01MSD OAS -02MSD OAS -03MSD
External Dimensions (W x D x H) mm 1300 x 1000 x 2110 1300 x 2000 x 2110 1300 x 3000 x 2110
Internal Dimensions (W x D x H) mm 800 x 940 x 1920 800 x 1940 x 1920 800 x 2940 x 1920
Air flow Velocity 23 m/s (at,initial setpoint) +/- 10%
Number of Nozzles (Lefl + Right) 16 32 48
Filtration Efficiency Main Filter: >99.99% at 0.3 μm; Pre-Filter:,Arrestance 85%
Cabinet,Construction Main Body 1.2mm with powder Coated Cold rolled steel,or,Stainless steel, grade 304
Work Zone 1.2mm with powder Coated Cold rolled steel,or,Stainless steel, grade 304
Floor Stainless steel, grade 304 - Thickness: 1,5 ~3mm
Persons Per Cycle 1 2 to 3 4 to 6
Power Supply 380V/50Hz/ 3Ø/ AC
Net Weight ~260 kg (574 lbs) ~520 kg (1147 lbs) ~780 kg (1721 lbs)
Other requirements According to Customer

ORAI VN can custom manufacture air showers to suit your application. Typical modifications include:

  • Custom dimensions and special internal arrangement are available upon request
  • Automatic sliding / Swing door with sensor for hands-free operation

Model OAS -01MSD

Model OAS -02MSD


Model OAS -03MSD