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Smart Whisperflow Fan Filter Unit

Vertical Laminar Flow Stations

Vertical Laminar Flow Station
Shown with optional Motorized Sliding Shield
 
Features Key
  Standard
  Option

A Fluorescent light standard, UV sterilization bulbs available
B Side Panels ensure effective laminar flow
C Work Surfaces available in many sizes and materials. Two-piece design isolates FFU vibration
D Digital Control Panel
• FFU
• Light
• Sliding Shield
E Motorized Sliding Shield extends 3" – 25" (76 mm-635 mm) below hood to restrict access to work area and improve system efficiency. Rated for millions of operations!
Roomside-replaceable HEPA or ULPA laminar flow fan/filter unit (not shown)
F Modular Cleanroom Drawers—select stainless steel or plastic
G Steel-reinforced nylon levelors resist most chemicals
H Status Indicator
cleanliness high

  • Economical system provides a laminar flow of micro-filtered air to meet the critical contamination requirements
  • Filter replacement is faster and easier with Room-Side Replaceable fan/filter units (order HEPA or ULPA models)
  • Incorporates industry-leading 50 dBA blowers for quiet, low-vibration operation
  • All-stainless steel or powder-coated steel construction is cleanroom compatible and easy to clean
  • Wet station VLF includes polypropylene rear panel for chemical resistance
  • Side panels and optional front motorized access sash effectively control the laminar air stream to achieve the air speed you require
  • Fluorescent illuminators ensure easy viewing
  • Optional ionization equipment safely neutralizes static charges throughout the work area for effective ESD protection
  • Accommodates standard Terra work benches in many materials, as well as standard Terra wet processing stations
Ordering Information
Order the Vertical Laminar Flow Station, Filter/Fan Units (FFUs), and other optional accessories separately from the charts below. Selected accessories are installed in the corresponding Vertical Laminar Flow Station and shipped as a turnkey system, ready for operation.
Vertical Laminar Flow Stations Dimensions
Optional sash retracts 3" - 25" below hood*
Laminar Flow Hoods — Cleanroom Benches Dimensions

Laminar FLow Hoods —Cleanroom Drawers Cleanroom Drawers
available in
ABS Plastic and
Stainless Steel.
*Vertical clearance ranges from 31" to 37" (787 - 940 mm) based on adjustable bench height.

Ordering Charts: Click prices to configure and add to cart

Stainless Steel Vertical Laminar Flow Station

Stainless Steel Vertical Laminar Flow Station Motorized Shield
Station
Dimensions
inches
(mm)
Work Bench
Dimensions
inches
(mm)
No. of FFUs
required
ft.
(mm)
304 Stainless Steel Static-Dissipative
PVC
Static-Dissipative PVC
120VAC, 50/60Hz 220VAC, 50Hz
A B C x D (order above) Cat# Price Cat# Price Cat# Price
52
(1321)
49
(1245)
48 x 30
(1219 x 762)
(1) 2 x 4
610 x 1219
2001-30A $ 4,797
2001-30A-220 $ 4,797
9207-04 $ 1,712
64
(1626)
61
(1549)
60 x 30
(1524 x 762)
(1) 2 x 2 + (1) 2 x 3
610 x 610 + 610 x 914
2001-31A *
$ 5,175
2001-31A-220 * $ 5,175
9207-05 $ 1,949
76
(1930)
73
(1854)
72 x 30
(1829 x 762)
(2) 2 x 3
610 x 914
2001-32A $ 5,427
2001-32A-220 $ 5,427
9207-06 $ 2,315
100
(2540)
97
(2464)
96 x 30
(2438 x 762)
(2) 2 x 4
610 x 1219
2001-33A $ 6,183
2001-33A-220 $ 6,183
9207-07 $ 2,487
* Because 64" (1626 mm) -wide units use FFUs of different sizes, air velocity measurements taken across the hood width may not be completely uniform. Select 52" (1321 mm), 76" (1930 mm) or 100" (2540 mm) widths if uniformity is required.

Powder Coated Steel Vertical Laminar Flow Station

Powder Coated Steel Vertical Laminar Flow Station Motorized Shield
Station
Dimensions
inches
(mm)
Work Bench
Dimensions
inches
(mm)
No. of FFUs
required
ft.
(mm)
Powder Coated Steel Static-Dissipative
PVC
Static-Dissipative PVC
120VAC, 50/60Hz 220VAC, 50Hz
A B C x D (order above) Cat# Price Cat# Price Cat# Price
52
(1321)
49
(1245)
48 x 30
(1219 x 762)
(1) 2 x 4
610 x 1219
2001-80A $ 3,362
2001-80A-220 $ 3,362
9207-04 $ 1,712
64
(1629)
61
(1549)
60 x 30
(1524 x 762)
(1) 2 x 2 + (1) 2 x 3'
610 x 610 + 610 x 914
2001-81A *
$ 3,686
2001-81A-220 *
$ 3,686
9207-05 $ 1,949
76
(1930)
73
(1854)
72 x 30
(1829 x 762)
(2) 2 x 3
610 x 914
2001-82A $ 3,914
2001-82A-220 $ 3,914
9207-06 $ 2,315
100
(2540)
97
(2464)
96 x 30
(2438 x 762)
(2) 2 x 4
610 x 1219
2001-83A $ 4,600
2001-83A-220 $ 4,600
9207-07 $ 2,487
* Because 64" (1626 mm) -wide units use FFUs of different sizes, air velocity measurements taken across the hood width may not be completely uniform. Select 52" (1321 mm), 76" (1930 mm) or 100" (2540 mm) widths if uniformity is required.

Solid Top Work Benches

Corresponding Solid Top Work Benches
Station
Dimensions
inches
(mm)
Work Bench
Dimensions
inches
(mm)
Nonconductive
Laminate Top
Conductive
Laminate Top
Static-Dissipative PVC
304 Stainless Steel
Top
Polypropylene
Top
A B C x D Cat# Price Cat# Price Cat# Price Cat# Price
52
(1321)
49
(1245)
48 x 30
(1219 x 762)
1722-00 $ 654
1728-00 $ 859
1521-45 $ 806
1522-00 $ 817
64
(1626)
61
(1549)
60 x 30
(1524 x 762)
1724-00 $ 705
1730-00 $ 867
1751-00 $ 912
1522-01 $ 849
76
(1930)
73
(1854)
72 x 30
(1829 x 762)
1726-00 $ 713
1732-00 $ 908
1752-00 $ 988
1522-02 $ 869
100
(2540)
97
(2464)
96 x 30
(2438 x 762)
2402-00 $ 895
2400-00 $ 1,134
1753-00 $ 1,093
1522-04 $ 1,081

Perforated Top Work Benches

Corresponding Perforated Top Work Benches
Station
Dimensions
inches
(mm)
Work Bench
Dimensions
inches
(mm)
304 Stainless Steel Top 304 Stainless Steel Top
(Polypropylene Plenum)
Static-Dissipative PVC
A B C x D Cat# Price Cat# Price
52
(1321)
49
(1245)
48 x 30
(1219 x 762)
1522-56A $ 886
1526-50A $ 2,298
64
(1626)
61
(1549)
60 x 30
(1524 x 762)
1522-57A $ 1,003
1526-51A $ 2,563
76
(1930)
73
(1854)
72 x 30
(1829 x 762)
1522-58A $ 1,067
1526-52A $ 2,796
100
(2540)
97
(2464)
96 x 30
(2438 x 762)
1522-60A $ 1,202
1526-54A $ 3,520

Powder-Coated CR Steel Room-Side Replaceable Fan/Filter Units

Fan / Filter Units with HEPA Filter
Model Nominal
Dimensions*
Inches
(mm)
Wt.
Lbs.
(Kg)
Avg.
CFM
@ MS
(m3/h)
Airflow ft/min(m/s)* Run Amps (Watts)
@ 60Hz
Power With HEPA Filter
HS MS LS HS MS LS Cat. # Price
2 x 4 23.63 x 47.63 x 15
(600 x 1210 x 381)
71
(32)
717
(1218)
115
(.58)
102
(.51)
93
(.47)
4.3A
(512W)
3.5A
(416W)
3.3A
(393W)
120VAC, 60 Hz 6601-24-HR $ 989
220VAC, 60 Hz 6601-24-HR-220 $ 1,168
2 x 3 23.63 x 35.63 x 15
(600 x 905 x 381)
53
(24)
602
(1023)
121
(.61)
116
(.59)
106
(.54)
4.1A
(500W)
3.1A
(378W)
2.7A
(329W)
120VAC, 60 Hz 6601-23-HR $ 989
220VAC, 60 Hz 6601-23-HR-220 $ 1,105
2 x 2 23.63 x 23.63 x 15
(600 x 600 x 381)
44
(20)
558
(948)
172
(.87)
166
(.84)
162
(.82)
3.9A
(472W)
2.8A
(339W)
2.4A
(290W)
120VAC, 60 Hz 6601-22-HR $ 989
220VAC, 60 Hz 6601-22-HR-220 $ 1,160
* With pre-filter installed. Nominal height is 14.63" (372 mm). Air velocity measured at 6" from filter face.
Fan / Filter Units with ULPA Filter
Model Nominal
Dimensions*
Inches
(mm)
Wt.
Lbs.
(Kg)
Avg.
CFM
@ MS
(m3/h)
Airflow ft/min(m/s)* Run Amps (Watts)
@ 60Hz
Power With ULPA Filter
HS MS LS HS MS LS Cat. # Price
2 x 4 23.63 x 47.63 x 15
(600 x 1210 x 381)
71
(32)
717
(1218)
115
(.58)
102
(.51)
93
(.47)
4.3A
(512W)
3.5A
(416W)
3.3A
(393W)
120VAC, 60 Hz 6601-24-UR $ 1,105
220VAC, 60 Hz 6601-24-UR-220 $ 1,221
2 x 3 23.63 x 35.63 x 15
(600 x 905 x 381)
53
(24)
602
(1023)
121
(.61)
116
(.59)
106
(.54)
4.1A
(500W)
3.1A
(378W)
2.7A
(329W)
120VAC, 60 Hz 6601-23-UR $ 1,160
220VAC, 60 Hz 6601-23-UR-220 $ 1,282
2 x 2 23.63 x 23.63 x 15
(600 x 600 x 381)
44
(20)
558
(948)
172
(.87)
166
(.84)
162
(.82)
3.9A
(472W)
2.8A
(339W)
2.4A
(290W)
120VAC, 60 Hz 6601-22-UR $ 1,105
220VAC, 60 Hz 6601-22-UR-220 $ 1,221
* With pre-filter installed. Nominal height is 14.63" (372 mm). Air velocity measured at 6" from filter face.
Hoods — Vertical Laminar Flow Stations Illustration

Need Heat? Heated Fan/Filter Units Optimize Drying and Elevated-Temperature Testing
Terra offers Heated Fan/Filter Units to facilitate a number of critical processes:

  • Sample Drying: Warm, micro-filtered air accelerates drying after parts cleaning/sterilization
  • Biocompatibility Testing: ideal for medical devices that must be processed, tested or packaged at elevated temperature
Heating element installed in any of the Fan/Filter Units below provides process air up to 150 degrees Fahrenheit. Call Terra for ordering information.
Vertical Laminar Flow Stations color key

Laminar FLow Hoods — Control Panel
Laminar Flow Hoods — Strip shield access curtain
Touchscreen control panel provides convenient touchscreen control of light, sash and blower(s). Strip shield access curtain (optional)

Sterilization bulb

Explosion Proof Hood
Explosion-Proof Models available
Explosion Proof Hood
Gel-sealed filter seats securely against "knife-edge" on blower housing to form a tight seal. Fan modules remains in place when filter unit is removed.
Terra Universal's Vertical Laminar Flow Station combines several of our most advanced products in a state-of-the-art work station that removes particulate air-borne contamination.

The backbone of the energy-efficient system is the reliable low-energy Filter/Fan Unit (FFU), which provides a flow of microfiltered air to meet cleanliness standards. The FFUs are Room-Side Replaceable to make filter replacement possible without having to access the top of the work station; the unit can easily be lowered from inside the hood.

The advanced baffling technology ensures uniform airflow across the filter face and attenuates sound for the lowest noise level in the industry: approximately 50 dBA (see "Specifications"). Select HEPA (High Efficiency Particulate Air) filter, rated 99.99% efficient at removing 0.3-micron particles, or ULPA (Ultra-Low Particulate Air) filter, rated 99.999% efficient at removing 0.12-micron particles.

Tests show that the work station exceeds particle requirements for a Class 100/ISO 5 work environment with HEPA filter.

Side and Front Panels Let You Control Laminar Flow

The Vertical Laminar Flow Station comes complete with static-dissipative PVC side panels that restrict the laminar flow and ensure an effective wash of HEPA filtered air over the entire work surface.

For additional control of the laminar flow, select the Motorized Shield; a sliding sash that can be adjusted up or down along the front of the access area to the level you require. This feature allows you to control the force of the laminar flow to accommodate your application: stronger flows ensure optimal cleanliness; and weaker flows reduce turbulence that might disturb small parts.

The Motorized Shield is made of Static-Dissipative PVC, a transparent material that features a surface resistivity of about 107 ohms/square. This static-dissipating characteristic eliminates not only static charges that can damage sensitive components, but also the particles that
static charges attract. As a result, the sliding sash remains clean—inside and out.

VLF stations are available with work surfaces that accommodate every application. The standard work surface is a nonconductive laminate top sealed on all sides to meet cleanroom requirements. Others are available with tops made of dissipative laminate, 304 stainless steel, and polypropylene.

For delicate microscope operations, select the Vibration-Free Work Station, which eliminates up to 90% of all building vibrations to ensure a steady work surface.

Touchscreen Control Panel

A unique feature on this Vertical Laminar Flow Station is the easy-to-use digital trouchscreen control interface. From this panel located above the station's working area, the status of light, back-pressure and FFU speed can be monitored and controlled. NOTE: FFU hi/med/lo settings may be adjusted incrementally using the touchscreen control panel.

The up-and-down motion of the motorized shield is also controlled via this digital panel, on workstations thus equipped.

Static Control

A 4" (102 mm) space under the HEPA filter accommodates optional ionizing equipment for complete static safety.

An ionizing bar houses nozzles that emit balanced streams of positive and negative ions downward to safely neutralize any static imbalances that may exist in the work area.


Laminar Flow Hoods, Operation with Terra Wet Processing Station

Operation with Terra Wet Processing Station

The Vertical Laminar Flow Station is completely compatible with Terra's Wet Processing Station. When operated together, these stations form an integrated processing system that accepts a host of wet processing modules to accommodate your applications.

Rear panel is made of polypropylene both for chemical resistance and to facilitate easier cut-outs for exhaust and other plumbing.

Terra Wet Processing Station
positioned beneath a Vertical Laminar Flow Hood

VLF Stations for Wet Station with polypropylene rear panel.



Specifications
General Construction: Fabricated of 1.5" x 3" (38 mm x 76 mm) 304 stainless or powder-coated steel members. FFUs encased in 304 stainless or powder-coat steel overhead housing. Base includes 1" (25 mm) steel-reinforced nylon leveling feet
Rear Panel: Extends from hood to benchtop height, 31" (787 mm) above floor, to optimize laminar flow.
Stainless steel VLF has stainless steel rear panel
Powder coated VLF has powder coated rear panel
VLF for wet station has polypropylene rear panel
Side Panels: 29"D x 32"H (737 mm x 813 mm) acrylic (static-dissipative PVC available)
Prefilters: Washable fiberglass filter(s), located at top of VLF housing
Final Filters: 99.99% efficient HEPA (rated @ 0.3 µm particles)
Average airflow velocity: 109 (± 10) FPM (0.55 m/sec) at high setting, measured 6" (303 mm) below filter face
FFU Air Flow: 767 CFM (2' x 4') - all models rated @ 109 FPM (0.55 m/s) average air velocity under HEPA filter load
Sound level: 50 dBA, measured 12" (305 mm) from filter face @ 109 FPM (0.55 m/s)
Vibration level: 0.0004 G (from accelerometer)
FFU housing: Powder-coated steel; includes integral air baffle system to ensure even air distribution. FFU fully encased in 304 stainless steel or powder-coated steel housing
Lighting:
Fluorescent, 2800 lumens. Does not disturb the air flow
Electrical: 110VAC, 50/60Hz or 220VAC, 50/60 Hz. Meets the requirements of the National Electrical Code and applicable local codes. All components UL listed and CE marked
Performance: Dust count exceeds ISO 5 (Class 100) requirements
Installation: System is shipped as turnkey system; no installation required

File Type File Name Publication Date
White Paper (PDF) Vertical vs Horizontal Laminar Flow
Things to consider when deciding between vertical or horizontal flow. There are advantages and disadvantages to each airflow direction and hood design, depending on your application and laboratory lay-out.
05/28/2015
White Paper (PDF) Airflow Uniformity and Fan Filter Units
Fan filter units help to remove contaminants from controlled environments. They are effective if designed well. Variables like speed and baffles contribute to an FFU's ability to maintain uniform air speed and direction. Read more about how FFUs help you comply with ISO and other regulations.
05/28/2015
Manual (PDF) Vertical Laminar Flow Station: Doc. # 1800-20
07/03/2013
Manual (PDF) Ionizing Equipment (Ion Bar): Doc. # 1800-45
Quick-Start Operating Guide for Terra's IonBar Ionizing Bar, creating a balanced stream of positive and negative ions to combat ESD in your work station.
10/06/2010
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