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DWS Series
Downflow Clean Air Workstation - Vertical Laminar Flow Module on Frame

Applications

Microelectronic Manufacturing
• Disc-drive Manufacturing 
• Semiconductor Processing
• Hybrid Manufacturing 
• Pharmacology

• Laser R&D 
• Optics
• Thin Films, Foils & Plastics 
• Precision Engineering

Provides an ISO-5/Class 100 (HEPA filters are 99.99% efficient on .3 microns) vertical laminar airflow within the work chamber, protecting product being handled from outside contamination. The unit is stationary, allowing permanent electric, gas and water services. Wet chemistry process stations and isolated vibration-free tables under the module are easily interchangeable. Individually tested and certified to meet or exceed the specifications for Laminar Flow Clean-Air Devices as per Institute of Environmental Science IES-RP-CC-002-86.

Specifications (see details)

Filter - Three inch HEPA (High Efficiency Particulate Air) type, aerosol challenged, zero probed. Aluminum frame minipleat design, Minimum efficiency of 99.99% at .3 microns.

Prefilter - 1" bonded polyfiber media minimizes surface-loading. Quick-release aluminum frame. Easily accessible from front of unit. 78 % arrestance – 56-57 ASHRAE.

Airflow - Average measured clean air velocity 90 fpm (+/-10 fmp). All measured values within +/- 20% uniformity.

Construction - Woodboard construction for minimum noise & vibration. White and blue plastic laminate finish. Protects plastic egg crate diffuser screen in front of HEPA filter maintain uniform air velocity within work area. Front ambient intake through louvered aluminum grilles. Front-loaded HEPA filters. Acrylic lining to 30" above floor at rear and side walls. 2" sq. tube support frame (standard "H" design) w/levelers. Frame bolts together (with guides for head location).

Electrical & Power Requirements - All electrical components are UL Approved. Standard 15 Amp, 1 pH, 60 Hz. SJO power cord w/ 3-prong ground plug. NEC Electrical Code

Motor/Blower Assembly - High efficiency motors to reduce electrical load. Motors are thermally protected & self-lubricating. Motors/Blowers are selected to maintain constant required airflow rate up to 2x the initial static pressure.

Lighting - Recessed 1 pin fluorescent lighting. 125ft. candle +/- 20ft. candles.

Controls - Solid state, adjustable airflow control, 80-120 fpm, 15A max. load capacity, internally mounted to prohibit accidental change. Illuminated switches on face panel for motor & lights.

OPTIONS  
Electrical duplex receptacle
Magnehelic pressure gauge
Replacement prefilter, 12/case
Explosion proof electrical
ULPA filter – .12 micron
Voltage other that 115V
"C" frame
Hinged face shield
Electrostatic device
Fixture – air, gas, or vacuum
Work table: Isolated or Built-in
Stainless steel, Polypro or painted steel module


Contact a qualified LM Air specialist about your specific needs

CLEANROOM & LAB EQUIPMENT MANUFACTURERS

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LM Air Technology, Inc. 1467 Pinewood St. Rahway, NJ. 07065   
E-mail:
sales@lmairtech.com    Tel: (732) 381-8200   Fax: (732) 381-4091  Toll free: (866) 381-8200