HEPA Filter Efficiency Dynamic Specimen Pass Through box For Clean
Vertical Laminar Flow SS304 Air Shower Pass Box / Specimen Pass
External size : 950x820x1300mm
Inside Size: 750x750x750mm
HEPA filter efficiency: firstname.lastname@example.org
Blower way: vertical laminar flow
Air speed :>0.36-.045m/s
Purification rank : class 100
In any pharmaceutical manufacturing
facility it is essential to minimise man / material movement &
contamination between different classified
areas to achieve desired classification & to maintain integrity
of products & process.
The Passboxes are designed to allow material transfer
without much personnel movement.
It also ease controlling ingress of particulate
contaminants into the cleanroom & between different classified
Internal size (mm)
Air flow (m/s)
220V/50HZ 750w (1set)
1:Entirety Sus201/304 (T=1.0/1.2mm)
2:External is steel with power coated, Internal is
3: External is steel with power coated. Internal is SUS201
Customer’s design is available.
Keling is designed to allow material transfer through controlled
environment without much personnel movement.
It also aids controlling ingress of particulate contaminants into
clean room & between different classified areas.
keling is available in powder coated Mild Steel, SS 304 / SS 316/
SS 316L or a combination of both.
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
Indicator on either side
Door Release Switch on either side
Differential Pressure Gauge : 1 No.
On / Off Switch for Motor
DOP Test Port
Factory test include:
-- functional test and visual inspection
-- electrical safety tests
-- air velocity testing
-- purification rank test (if need)