The document describes an air shower tunnel that allows users to pass through controlled environments without surface contaminants. It consists of pre-filters, HEPA filters, and high velocity air nozzles that remove particles from clothing and skin. The system is programmable and uses efficient motors to provide multi-directional sterile air streams for industrial applications requiring clean environments.

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AIR SHOWER TUNNEL
(TOWER FLOW)
TECHNOCRACY PVT. LTD. MODEL NO. - ACM-AST-40003

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AIR SHOWER TUNNEL
TOWER FLOW
The Air Shower Tunnel (Tower Flow) from Weiber is a designed to meet all the industrial specifications, making
protected passageway that allows the user to pass into them perfect for use in pharmaceutical industries,
controlled environment chambers sans the surface microelectronics and semiconductor industries,
contaminants.Our air shower tunnels are designed to aerospace industry, high precision manufacturing units
provide sterile air streams for the removal of dust and and various other industrial applications.
contaminating particles from the clothes and skin surfaces We offer air showers in various sizes and packages in both
of the user as he/she stands in the tunnel or walks through standard and customized designs to meet the industrial
it.They provide the maximum decontamination solutions specifications.
for particle sensitive processes and other research
applications requiring highly sterile working conditions.
WORKING PRINCIPLE
Our air showers are easy to operate and are quite
The air circulating within the air shower tunnel passes
economical. They are operational with a simple plug-in to
through the filter assembly, comprising of pre-filters and
the power source and require minimal maintenance. Our
HEPA filters, for efficient removal of dust and
air shower tunnel uses a combination of basic floor plan
contaminating particles within the equipment. The clean
styles with individual air shower units coupled together
air is then passed through the nozzles at a high velocity to
side by side or end to end to create a tunnel configuration
create pressurized air streams, capable of providing
for the passage of large groups of personnel. They are
enough scrubbing action for the removal of particulate
TECHNOCRACY PVT. LTD.

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CONSTRUCTION DETAILS
contaminants adhering to the clothes and skin surfaces of Our air showers useindustrial grade mica clad heavy
the personnel.The contaminated air is then directed wooden boards and high grade stainless steel (SS 304 or
downwards through the grilles and hollow walls of the air SS 316) as construction materials. The internal duct
shower tunnel and is redirected towards the filter surfaces and all the visible surfaces are covered with
assembly for filtration and recirculation. plastic laminate to provide a uniform surface and are
available in attractive finishes. The magnetically operated
and interlocked doors on either side of the air shower
FILTER ASSEMBLY tunnel do not open at the same time, therefore restricting
Our air shower tunnels (tower flow) use top mounted pre- the leakage of contaminants from the outside in to the
filters and HEPA filters for removing particles as small as clean room and the biohazardous substances from the
0.3 microns in size and larger with around 99.97% filtration clean room to the outside. They are made up of aluminium
efficiency.The pre-filters are capable of eliminating around panel and feature clear view glass/acrylic windows to
85% of the dust particles, therefore reducing the permit visibility. The compartment access panels are
contaminant load on the HEPA filters and improving its made of coated aluminium and are hinged for ease of
filtration efficiency and life span. The HEPA filters provide handling. They are also equipped with appropriate
a uniform and laminar air flow within the air shower tunnel, number of adjustable nozzles mounted on the interior
therefore ensuring increased air conditioning and energy walls and ceilings for maintaining high velocity air streams.
efficiency while minimizing cross stream contamination.
TECHNOCRACY PVT. LTD.

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ILLUMINATION SYSTEM
Our air showers use top mounted fluorescent lights for efficiency pumps of our air showers with lifelong lubricated
adequate illumination of the air shower tunnel. The bearings ensure smooth and trouble free operation. The
fluorescent lights are concealed within a light panel and motor and blower assembly has a compact design and is
are designed to ensure uniform and even lighting completely integrated for increased energy efficiency and
throughout the chamber.The illumination system of our air optimum motor cooling. The efficient motors and blowers
shower conforms to US federal standards and provides an ensure vibration free and quiet operation.
illumination level of more than 800 lux throughout the air
shower tunnel.
PROGRAMMABLE OPERATION
The Air Shower Tunnel from Weiber uses microprocessor
MOTOR AND BLOWER ASSEMBLY
based controllers for precise control of various operating
Our air showers use ISI marked, statically and dynamically parameters. The programmable solid statecircuit control
balanced motors and blower motors with a rating of 1/5 system is located at the junction box of the air shower and
HP. The blower access panel is provided at the side of the helps in maintaining optimum conditions of temperature,
shower. The permanently lubricated direct drive humidity and illumination within the working chamber. It
centrifugal blowers work in conjugation with the air nozzles also facilitates the adjustment and opening and closing of
to provide continuous high velocity air streams. The high air nozzles and in setting the operation timer from 0-9,990
TECHNOCRACY PVT. LTD.

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OPERATING FEATURES
seconds. The junction box also houses an emergency Ÿ Programmable operating modes, pre-purge time and
shower time
setting button that allows switching off of the equipment
Ÿ The pre-purge time is adjustable from 0-3 minutes
with audio and visual alarms.
Ÿ Microprocessor based controllers to control the
sequence of operation
Ÿ Floor matting operated switch for sequential
KEY FEATURES operation of the air shower
Ÿ Fully washable pre-filters remove around 85% of
Ÿ Ergonomic design for versatile usage particulate matters, therefore reducing the load on
HEPA filters and increasing their efficiency and life
Ÿ Available with calibration protocol documentation and span
complete self-diagnostic systems. Ÿ Highly efficient HEPA filters with around 99.99%
filtration efficiency for removing particles as small as
Ÿ Programmable operation
0.3 microns and larger.
Ÿ Designed to ensure minimum vibration and noise level Ÿ Multidirectional air flow
< 60 db Ÿ Permanently lubricated direct drive centrifugal
motors and efficient blowers for maintaining
Ÿ Lighting arrangement conforms to the guidelines for appropriate face velocities of the air (6000 ft./min +
20 feet), while producing minimum vibrations and
US federal standards
noise (less than 60 dB)
Ÿ GMP/GLP compliant systems Ÿ Indicator lights on both sides of the air shower for
regulation of traffic within the cubicle
Ÿ Emergency buttons on both sides of the air shower to
prevent accidental lock-outs.
TECHNOCRACY PVT. LTD.

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Ÿ LED indicators in the chamber indicate interlock
and shower sequence
Ÿ Interlocked and magnetically operated doors to
prevent them from opening at the same time
Ÿ The doors are unlocked automatically and the
controller settings are saved in case of a power
failure.
Ÿ The auto reset feature unlocks the doors to prevent
accidental lockouts.
Ÿ The program settings can be reset to default values
using the reset default function
Ÿ An administrator PIN can be set to restrict access to
air shower settings.
TECHNICAL SPECIFICATIONS
Constructions Industrial grade mica clad wooden board/MS Sheet/Stainless Steel
Face velocity 6000 ft/min + 20 feet
Operation Time (Adjustable) 0-9,990 seconds
Air Flow Multi Directional
TECHNOCRACY PVT. LTD.

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Air Flow Control Solid State Control Unit
Pre Filter Washable pre-filter unit (Non-Woven-Synthetic Polyester)
Glass pleated non-woven fabric filter having 99.99% efficiency 0.3 micron
HEPA Filters
particle size.
Illumination Fluorescent light illumination greater than 800 lux
Blower Assembly Centrifugal lubricated bearing type ISI marked assembly
Noise level Noise level less than 60 db
Add on features Sequential feature operation by door mat magnetic switch.
Power Requirements Model Specific
Internal Work Space 1.5x1.5x2 meter /2x2x2meter/2.5x2.5x2 meter
Nominal voltage 220-230 Volts, 50 Hz Single Phase
Frequency 50/60
TECHNOCRACY PVT. LTD.

8. An ISO 9001 : 2208 | ISO 14001 : 2008 ISO 13485
WHO: GMP Products | GLP Compliant Products
www.acmasindia.com | www.cleanroom-equipments.com | www.test-chambers.com
TECHNOCRACY PVT. LTD.
SALES OFFICE (INDIA)
Office no. 506 & 507, 5th Floor, Plot no.- C-9,
Pearls Best Height-II, Netaji Subhash Place,
Pitam Pura, Delhi- 110034
Land Line No.: +91 - 11- 47619688,
Fax: +91-11-47619788
E-mail.: info@acmasindia.com, acmasindia@gmail.com, weiberindia@gmail.com
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Unit D 28 11/F Wing Tat Comm,Bidg 97, Bonham Strand East,
Sheung Wan, Hong Kong (PRC)
Tel.: 0086-13929598046 0086- 18922303099
E-mail.: hk@acmasindia.com
SHOWROOM
J-284 Sector 1 Bawana Industrial Estate, Bawana,
Delhi, INDIA-110039
Tel.: 0091-0-9312219738 (M) +91- 9717741167
E-mail.: info@acmasindia.com
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Inmed Trade Street Ozerkovsky Embankment,
Unit No 50, Straine- 1, Off- 502, Moscow, Russia
E-mail.: info@acmasindia.com
Tel.: 0049- 79592345 | Email: russia@acmasindia.com