Horizontal Laminar Flow Hoods
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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 lightFluorescent light standard, UV sterilization bulbs available
- B Fan Filter UnitsHEPA fan/filter units provide laminar flow of micro-filtered air
- C Minihelic gaugeMinihelic gauge measures filter backpressure
- D Stainless steel work surfaceStainless steel work surface (available with electropolishing)
- E Variable-speed blowerVariable-speed blower adjusts air speed to meet containment requirements
- F Range of OptionsOptions include vacuum, DI water and gas utilities
- H Status IndicatorStatus 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
Features & Benefits
Features and Benefits
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
Air Return Ducts
Simple User Interface
Duplex Outlet
HEPA Filter Access Panels
Available Accessories
Popular Accessories
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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).
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Manuals & Resources
Manuals & Resources
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.