Dynamic Passboxes

steripassTM is designed to allow material transfer through controlled environment Dynamic Pass-Boxwithout much

personnel movement. It also aids controlling ingress of particulate contaminants into cleanroom &

between different classified area.

steripassTM is available in powder coated Mild Steel, SS 304 / SS 316/ SS 316L or a combination

of both.

General Specifications

Two Stage filtration

  • EU6 – Prefilter (95% down to 5 micron)
  • EU14 – HEPA Filter – Supply (99.999% down to 0.3 micron)

Statically & Dynamically balanced Motor-blower

with suspension arrangement to reduce noise level

Doors with double walled flush glass view panels

SS Handles & SS hinges

Internal covings for easy cleaning

Electro-magnetic Interlocking

Indicator on either side

Door Release Switch on either side

Differential Pressure Gauge : 1 No.

On / Off Switch for Motor

DOP Test Port


Operating Conditions

Air cleanliness : ISO Class 5 (ISO 14644-1:1999 (E))

Air Velocities : 0.45 ± 0.05 mps

Air Flow : Vertical – Recirculatory

Noise Level : Less than 67 dB

Vibration Level : Minimum



Options and Accessories

A wide range of configurations to suit any application :

  • Mechanical Interlocking
  • U. V. Light with Hour Meter with interlocking arrangement to put-off U.V. Light if either door opens
  • Floor mounted contruction with three side wall structure & Door Drop Seal
  • Support Stand to mount the pass box
  • Flange for sealing the gap between the pass box and the cleanroom wall