Laminar Flow Hoods

Horizontal Laminar Flow Hoods

Manufactured By: Terra Universal

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Frame Material All Powder-Coated Steel Sort Order: Descending Ascending	Voltage All 240 V 120 V Sort Order: Descending Ascending	Inside Height All 28" 28.13" Sort Order: Descending Ascending	Inside Depth All 30" Sort Order: Descending Ascending	Inside Width All 96" 48" 72.38" Sort Order: Descending Ascending	Terra Part #	Price	Ships in
Powder-Coated Steel	240 V	28"	30"	96"	9620-69A-220	$13,011	4-6 Days
Powder-Coated Steel	240 V	28.13"	30"	48"	9620-63A-220	$9,796	4-6 Days
Powder-Coated Steel	240 V	28.13"	30"	72.38"	9620-64A-220	$12,122	4-6 Days
Powder-Coated Steel	120 V	28"	30"	96"	9620-69A	$13,011	1-3 Days
Powder-Coated Steel	120 V	28.13"	30"	48"	9620-63A	$9,796	1-3 Days
Powder-Coated Steel	120 V	28.13"	30"	72.38"	9620-64A	$12,122	1-3 Days

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Product Details

Features & Benefits

Available Accessories

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Product Details

• Terra's Horizontal Laminar Flow Hood exceeds ISO 5 particle requirements for critical operations in the biotech, pharmaceuticals, electronics and semiconductor industries

• Powerful, low-energy fan/filter modules provide a back-to-front laminar flow of HEPA-filtered air across the work surface

• The variable-speed, electrically commutated filter/fan(s) provide average air speeds of 109 FPM (0.55 m/s) while maintaining an industry-best noise level of 50 dBA and energy efficiency

• Internal baffling plates and anodized aluminum diffuser panel ensure uniform air speed across the work area

• All models include a powder-coated steel stand with adjustable leveling feet that raise the work surface to 31” (787 mm) above the floor

• Take-up ducts along the edges minimize turbulence in the work area, providing a smooth exit for airflow

• Built-in recessed illuminator provides diffused lighting without interfering with laminar flow

• Interior surfaces, including the side panels and work surface, are 304-stainless steel; as an option, components can be electropolished to remove subsurface contaminants for an ultra-clean finish

• Exterior surfaces feature a chip-resistant, powder-coated finish

Horizontal Laminar Flow Station

Standard Features

A Fluorescent light
Fluorescent light standard, UV sterilization bulbs available
B Fan Filter Units
HEPA fan/filter units provide laminar flow of micro-filtered air
C Minihelic gauge
Minihelic gauge measures filter backpressure
D Stainless steel work surface
Stainless steel work surface (available with electropolishing)
E Variable-speed blower
Variable-speed blower adjusts air speed to meet containment requirements
F Range of Options
Options include vacuum, DI water and gas utilities
H Status Indicator
Status Indicator

Not Shown: Nylon levelers - Steel-reinforced nylon levelers resist most chemicals

Laminar Flow Hoods

304SS Smart Whisperflow HLF
Stainless Steel Smart WhisperFlow Horizontal Laminar Flow Hood
Horizontal Laminar Flow Station
Custom Horizontal Laminar Flow Hood, 316 Stainless Steel, Open Interior, 120V

304SS Smart Whisperflow HLF

Shown: 6'-wide Horizontal Laminar Flow Hood; requires two fan/filter units (sold separately) | 9620-64A displayed Stainless Steel Smart WhisperFlow Horizontal Laminar Flow Hood Stainless steel interior ensures optimal cleanliness and chemical resistance for sensitive work

Horizontal Laminar Flow Station provides an enclosed, HEPA-filtered work environment with stainless steel interior | 9620-64A displayed Horizontal Laminar Flow Station Horizontal-flow clean bench includes multi-speed HEPA filter/fan units to meet ISO 5 cleanliness standards; take-up return slots minimize edge turbulence

Custom horizontal laminar flow hood with electrical outlets and 316L stainless steel construction, 120V | 9620-63A displayed Custom Horizontal Laminar Flow Hood, 316 Stainless Steel, Open Interior, 120V Horizontal laminar flow hood features durable 316 stainless steel construction. Built-in recessed light illuminates open interior. Minihelic gauge alerts to changes in airflow pressure to indicate the need for filter replacement.

Features & Benefits

Features and Benefits

Horizontal Laminar Flow Bench Airflow Illustration

Horizontal Laminar Flow Station Airflow Diagram

Multi-speed filter/blower modules provide a continuous wash of HEPA-filtered air for process protection. Internal baffling plates and diffuser panel ensures uniform air speed across work area; make-up air return slots minimize edge turbulence and extend filter life.

Air Return Ducts

For enhanced air-stream control, the flow station features return ducts along the edges of the hood opening. These ducts reduce backwash caused by placing objects near the work surface edge, a common source of turbulence inside a clean bench.

Simple User Interface

Operator controls include the ON/OFF switches, blower speed controls, and a Minihelic™ backpressure gauge for monitoring the load on the HEPA filter. When the backpressure roughly doubles from the initial readings, the filter needs replacing.

Duplex Outlet

A GFCI power receptacle is installed on the right-hand side of the hood interior for operational convenience. Alternative mounting locations can be specified at time of order.

HEPA Filter Access Panels

For horizontal laminar flow hoods, the rear vent panel can be easily removed to access the HEPA filters.

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.

UV Germicidal Lamp
The V-Ray germicidal UV lamp is installed within a Terra hood to inhibit microbial growth on the work surface
Static-Neutralizing Ionizing Bar
Airflow from the blower distributes positive and negative ions onto the surfaces below, neutralizing static charges that can lead to electro-static discharge and attract particles.
Utility Valves
Ball valves (petcocks) are available for utilities such as nitrogen, compressed air, vacuum, DI water, or other process gases. Valves are composed of chrome-plated steel or ABS plastic.
Explosion-Proof Power Switches
UL-rated explosion-proof switches are connected to the lights and blowers using specialized conduit with potted fittings. All electrical components are sealed to eliminate potential ignition points.
Replacement HEPA or ULPA Filters
Choice of HEPA (rated 99.99% efficient @ 0.3 µm particles) or ULPA (rated 99.999% efficient @ 0.12 µm particles)
Work Station Drawers
Available in ABS plastic or stainless steel, these cleanroom-compatible drawers come in a number of sizes and drawer configurations (6” top drawer/12” bottom drawer shown).