Terra Part # 9620-64A
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70881
Hood; Horizontal Laminar Flow Station, Powder-Coated Steel, 76" W x 44" D x 63.75" H, 120 V

• Includes hood, built-in recessed illuminator, duplex power outlet, and EC FFUs

• Includes powder coated steel stand with adjustable leveling feet that can raise surface to 31"

• Features return ducts along the front and side edges of the work area to reduce backflow turbulence

• Power Integration Module features switching and breaker protection for all electrical components

• Operation Status Indicator that flashes if fan is not operational

• Powder-coated steel housing and frame with stainless steel interior hood surfaces

Airflow Design: Horizontal

Depth: 44"

Hood Design: Floor

Electronic Air Speed Control: No

Filter Type: HEPA

Frame Material: Powder-Coated Steel

Height: 63.75"

Inside Depth: 30"

Inside Height: 28"

Inside Width: 72"

Light Fixture: Fluorescent

Manufactured by: Terra Universal

Max Opening: 28" H

Model: Horizontal Laminar Flow Station

Width: 76"

Work Area Dimensions: 72.38" W x 30" D x 28.13" H

Unit of Measure: EA

Dimensions, Product: 76" W x 44" D x 63.75" H

Dimensions, Shipping: 82" W x 50" D x 72" H

Electrical Specifications: 120 V, 7.5 A, 1,800 W, 50/60 Hz

Package Type: Crate

Weight, Product: 590 lb

Weight, Shipping: 943 lb

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  3. Stackable drawers mount easily under work surfaces and shelves.
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  8. Petcock; Vacuum, Chrome Plated, 3/8" Male Tread, 3/8" Hose; for Horizontal Laminar Flow Station
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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

Horizontal Laminar Flow Hoods

  • 304SS Smart Whisperflow HLF
  • Horizontal Laminar Flow Clean Bench Hood Stainless Steel Smart WhisperFlow Horizontal Laminar Flow Hood
  • Horizontal Laminar Flow Hood In Use Horizontal Laminar Flow Station
  • Custom horizontal laminar flow hood in 316 stainless steel with open interior Custom Horizontal Laminar Flow Hood, 316 Stainless Steel, Open Interior, 120V
Horizontal Laminar Flow Clean Bench Hood
Horizontal Laminar Flow Hood In Use
Custom horizontal laminar flow hood in 316 stainless steel with open interior

Features and Benefits

ValuLine HLF Specifications

Valuline Horizontal Laminar Flow Workstations

Important Note: This work station is designed for particle-sensitive applications and does not protect operators against hazardous fumes, vapors or aerosols. See Terra's exhaust purification systems for operations involving hazardous fumes.

  • Construction: Fabricated from welded 16-gauge C.R. steel; includes adjustable levelers
  • Work Surface: 304 Stainless steel
  • Finish: Exterior surfaces feature a chip-resistant, powder-coat finish
  • Prefilters: Disposable fiberglass
  • Final Filters: Choice of HEPA (rated 99.99% efficient @ 0.3 µm particles) or ULPA (rated 99.999% efficient @ 0.12 µm particles)
  • Lighting: Fluorescent type. Recessed to eliminate air flow disturbance. Accepts lens for yellow light, if necessary
  • Fan/Motor: Brushless, 1/3-HP, electrically-commutated motor, centrifugal type with backward-inclined fans and sealed bearings; rated for continuous duty; furnished with overload protection
  • Average Airflow Velocity: 109 (± 10) FPM (0.55 m/s) at medium speed, measured 12" (305 mm) below filter face
  • FFU Air flow: 767 CFM (2'x4' model) - all models rated at 109 FPM (0.55 m/s) at medium setting under HEPA filter load
  • Sound level: 40 dBA, measured no more than 12"(305 mm) from filter face @ 109 FPM (0.55 m/s)
  • Performance: Dust count exceeds Class 10 requirements (per Fed-Std 209E)
  • Backpressure Gauge: Minihelic® gauge, 0 - 3" Water Column monitors backpressure across filter
  • Electrical: 115VAC, 50/60Hz, single phase (220VAC, 50/60Hz available). Consumes 280W/2.4A at the avg air speed. Meets the requirements of the National Electrical Code and applicable local codes. All components UL listed and CE marked
  • Options: Audible/visible filter alarm system (measures face velocity); ionizing system (including self-balancing power supply); petcocks for vacuum, DI water, or gas; electropolished stainless steel surfaces; special paint; special voltage and frequency

Minihelic® is a registered trademark of Dwyer Instruments incorporated

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.

Status Indicator Light

The Terra Universal logo incorporates an LED light that functions as a status indicator. The TUI logo will flash when the unit is connected to power, but the blower is switched off. A solid glow indicates the station is fully operational.

HEPA Filter Access Panels

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

Long Running FFU Motors

Terra’s filter fan unit motors are rated for 5 years of continuous, 24/7 operation, if the HEPA filters are consistently replaced. To accurately monitor your HEPA filter’s saturation levels, purchase Terra’s audible and visual filter replacement alarm system.

Durable Powder Coating Finish

Terra’s durable powder coating formulation exceeds the ASTM and ISO paint standards for hardness, thickness, humidity resistance, gloss and impact testing.

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).

On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.

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