Terra Part # 6604-12
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68704
Cleanroom; Hardwall, Horizontal Laminar Flow, Polypropylene
  • Refer to sales order and/or drawings for dimensions and other details
  • Polypropylene panels are externally mounted to 2" (51 mm) powder-coated square steel uprights
  • Includes powder-coated steel ceiling grid that forms 2' x 4' (610 mm x 1219 mm) bays for lights or blank panels (order ceiling modules separately)
  • Includes steel wall grid for FFUs; order HEPA or ULPA fan/filter units and polypropylene grid panels separately
  • Mirror-finish 304 SS control panel with all specified blower, light and other utility switches
  • Request UL Listing Declaration (order separately) for cleanroom electrical system, which helps meet municipal and other permitting requirements that may apply
  • HLF Cleanroom is suitable for facilities with reduced ceiling clearance
  • Filter replacement is faster and easier due to accessibility; no ladder needed
  • Since regulations vary considerably in different locations, Terra assumes no responsibility for meeting local building regulations, including fire and seismic codes.  Check your local planning department to see what regulations apply to your installation.
  • Specified height is from the floor to filter face.  FFUs add 13” ( 330 mm) clearance to this measurement.  To assure proper air flow and installation, allow an additional 11” (279 mm) between the FFUs and the wall or other obstruction (total of 24” ( 610 mm) between the cleanroom filter face and the surrounding facility).
  • Other options include access doors, air conditioning, air locks and antechambers, air flow and pressure gauges, and furnishings
  • Control Panel provides on/off switches for FFUs, lights and other system options, and includes Status Indicators (order separately, P/N 6600-23)
  • Seismic analysis available; specify Part Number 6600-98.  Changes required after approval, if any, are to be covered by change orders.

Frame Material: Powder-Coated Steel

Overall Dimensions: Custom

Panel Material: Polypropylene

Application: Horizontal Flow

Unit of Measure: EA

Marks & Listings: UL, ULC

Weight, Shipping: 2,203 lb

Dimensions, Shipping: 153" W x 65" D x 46" H

Package Type: Skid

Manuals & Resources
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  1. WhisperFlow Fan/Filter Units feature internal baffling and anodized aluminum diffuser panels provide quiet, uniform air fow | 6601-24-H displayed
    $1,279
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  2. Room-Side Replaceable (RSR) WhisperFlow Fan/Filter Units allow filter replacement from inside of the cleanroom | 6601-24A-UR displayed
    $1,556
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  3. Smart WhisperFlow® Fan Filter Units feature electronically commutated motors for energy efficiency, quiet operation and remote speed control | 6601-24B-HR-EC displayed
    $1,785
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  4. WhisperFlow Fan/Filter Units feature internal baffling and anodized aluminum diffuser panels provide quiet, uniform air fow | 6601-24-H displayed
    $1,405
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  5. Double stacked cleanroom LED strip lights installed to the ceiling of a cleanroom | 3800-40A displayed
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  6. 2' x 4' Cleanroom LED Panel Light with emergency backup battery and battery test switch | 3800-47 displayed
    $1,312
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  7. Simplifies the connections of fan filter modules and ceiling lights | 6600-29B-P displayed
    $2,616
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  8. Dramatically simplify connection of fan/filter modules and ceiling lights | 6600-29B-S displayed
    $2,616
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  9. Cleanroom control panel provides centralized control and monitoring of cleanroom functions; status indicator LED blinks when FFU filters need replacement | 6600-23A-NS displayed
    $4,912
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  10. Cleanroom control panel with Tier 1 system monitors and controls up to 50 FFUs in 5 rooms; 6 inputs for pressure/RH/temp sensors, plus FFU performance alarm | 6607-01 displayed
    $6,795
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  11. Cleanroom control panel with Tier 2 system monitors and controls up to 100 FFUs in 8 rooms; 6 inputs for pressure/RH/temp sensors, plus FFU performance alarm | 6607-02 displayed
    $6,505
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  12. Cleanroom control panel with built-in Tier 3 touchscreen console; datalogging (pressure/temp/RH) and FFU control for up to 12 rooms, 120 FFUs | 6607-03 displayed
    $8,168
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  13. Cleanroom control panel with built-in Tier 4 touchscreen console; datalogging (pressure/temp/RH) and FFU control for up to 16 rooms, 200 FFUs | 6607-04 displayed
    $10,130
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  14. Duplex power outlet: 120VAC shown. | 6704-34 displayed
    $371
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  15. Duplex power outlet: 120VAC shown. | 6704-34 displayed
    $378
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  16.  | 6703-81 displayed
    $132
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  17. Won't shed particles or outgas, making them ideal for all cleanliness classifications.
    $33
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  18. HVAC units ensure comfort and productivity of garbed cleanroom personnel. | 6704-31 displayed
    $6,869
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  19. Specify sprinkler location in accordance with local fire code | 6600-90 displayed
    $12
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  20. 304 Stainless steel BioSafe® crash rail features continuous-seam welds to meet strict cleanliness protocols | 6600-88 displayed
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  21. It uses five ultrasonic transducers to generate mist and uses only 150W | 6710-29-220 displayed
    $7,133
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  22. Includes plumbing of vacuum line and installation of quick connection fitting | 6705-07 displayed
    $505
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  23. Includes plumbing of vacuum line and installation of quick connection fitting | 6705-07 displayed
    $505
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  24. Curtain panels mounted in a ValuLine Softwall Cleanroom. | 1320-34 displayed
    $223
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  25. Curtain panels mounted in a ValuLine Softwall Cleanroom. | 1320-34 displayed
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  26. Suitable for all classes of cleanrooms and all levels of process isolation | 1320C-08 displayed
    $76
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  27. Suitable for all classes of cleanrooms and all levels of process isolation | 1320C-08 displayed
    $90
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  28. Flexible strip shields and panels in several cleanroom-compatible materials create an economical softwall enclosure | 6704-07 displayed
    $310
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  29. Flexible strip shields and panels in several cleanroom-compatible materials create an economical softwall enclosure | 6704-07 displayed
    $293
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  30. Suitable for all classes of cleanrooms and all levels of process isolation | 1320S-08 displayed
    $76
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  31. Suitable for all classes of cleanrooms and all levels of process isolation | 1320S-08 displayed
    $90
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  32. Warranty; 2 Year, Terra Cleanrooms, Parts and Service
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  33. Warranty; 3 Year, Terra Cleanrooms, Parts and Service
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  34.  | 6600-98 displayed
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  35.  | 6600-33 displayed
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  36. FasTrak 24-7 Expediting Service
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  37. Qualification Documentation (IQ/OQ) for Terra Universal System
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  38. White Glove Freight Service
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  39. Cleanroom Installation Information
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  40. Cleanroom Cleaning Service
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  41. Equipment Testing
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  42. Floor Survey Service
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Hardwall Cleanrooms

  • Modular Cleanroom Showing Air Conditioning and RH Control Ducting Modular Cleanroom with A/C and RH Control
  • Hardwall Modular Cleanroom Hardwall Modular Cleanroom
  • Hardwall Modular Cleanroom with Multiple Suites Multi-Suite Hardwall Modular Cleanroom
  • Fire-Resistant Hardwall Modular Cleanroom Fire-Resistant Hardwall Cleanroom

Features and Benefits

Hardwall Cleanroom FAQs

Modular Hardwall Clean Room FAQs

What is a “hardwall” clean room?

Hardwall modular cleanrooms provide a completely enclosed, rigid free-standing structure with vents to exhaust air. Terra Universal fabricates the framing from powder-coated or stainless steel; wall panels are available in clear acrylic, static-dissipative PVC, polycarbonate and tempered glass, as well as opaque white polypropylene.

Because they can be specified, built and installed in a fraction of the time associated with brick-and-mortar clean rooms, modular hardwall rooms are ideal for fast ramp-up projects or short production cycles that may not merit the expense and delay of a conventional room.

Why should I choose a hardwall clean room over a softwall clean room?

Hardwall clean rooms can maintain pressure differentials, which may be required to meet certain standards for cleanliness (ISO 5 or 6, as well as USP compounding regulations). Their wall panels are more durable and easier to clean than softwall panels or curtains.

Hardwall construction also allows temperature and humidity control, which is enhanced in a recirculating clean room design using vertical air returns in conjunction with A/C units. Unlike softwall designs, hardwall cleanrooms can provide negative-pressure containment.

What modifications are required for a containment clean room application?

A negative-pressure containment room must pull more air out than it introduces through ceiling fan/filter units. Air is typically exhausted through ductwork tied to a ventilation fan.

Ductwork most often runs along the bottom perimeter of the clean room and draws air from multiple locations along the room perimeter to minimize disruption to laminar flow. The ventilation fan mounts on the floor outside the cleanroom, or ductwork may pass exhaust upward to a roof-mounted fan. In order to maintain negative pressure, this fan must be capable of pulling about 30% more air than the HEPA filters introduce.

Depending on the application, a containment room may require exit filtration: either HEPA/ULPA filters for particles and aerosols, and/or carbon filters to remove chemical fumes.

Can a hardwall clean room accommodate multiple production suites?

Internal walls and careful positioning of ceiling Fan/Filter Units (FFU) allows you to configure a facility with many rooms, each operating at a different ISO cleanliness level. Some points to keep in mind:

  • Clean room requirements typically specify a pressure differential between 0.025 – 0.05”WC between adjoining rooms of differing ISO classifications. Terra’s Smart Control Systems simplify this task by allowing FFU speed adjustment from a central control panel.
  • Certification of multi-room facilities often requires logging of pressure levels, which correlate to cleanliness and (in a containment application) environmental safety. Smart Controls are available with automated data logging that helps meet this requirement.
  • Smart Controls also provide automated end-of-shift set-back mode, which saves energy without compromising clean room integrity.
What other environment controls or protections can hardwall cleanrooms provide?

Beside controlling particulate contamination and internal positive or negative pressure, hardwall cleanrooms are available to meet these special requirements:

  • Static Control: select static-dissipative PVC panels for optimal protection against electro-static discharge. Ceiling-mount ionizing bars neutralize charges on workstations. Eliminating surface charge build-ups also removes “static cling” that attracts and holds airborne particles.
  • Temperature: in addition to module A/C units, Terra also provides insulated hardwall panels to enhance thermal stability. For improved thermal efficiency, select a double-wall BioSafe Clean Room.
  • Relative Humidity: Terra offer desiccant-based dehumidification modules as well as ultrasonic humidifiers.
  • Fire and Explosion Resistance: Call to discuss requirements for NEMA Class I, Division 1 explosion-proof FFUs, lights and wiring, available on any Terra clean room. Terra also provides fire-safe wall and ceiling panels that meet FM 4910 Clean Room Materials Flammability Test Protocol for flame spread, smoke contamination and resistance to corrosives.
  • Microbial Control: UV germicidal lights with an occupancy-sensor safety cut-off help maintain sterile conditions in bio/pharmaceutical clean rooms.
  • Vapor and Particle Removal: Reverse-flow FFUs capture particles generated in localized cleanroom spaces to minimize contamination. Vapor removal FFUs eliminate trace amounts of VOCs from make-up air to prevent chemical fume contamination.
  • Energy-Efficiency Compliance: Terra helps meet Title 24 and other energy-efficiency requirements through use of EC motors, LED lighting and other low-energy devices.
  • ADA Compliance: Call for information on ADA-compliant access ramps, doors and controls.

In Stock Pre-Fabricated Cleanroom Components

Since each pre-fabricated cleanroom component is tested and stocked, room pre-assembly is no longer required. Our lead times consist solely of the time it takes draw, package and ship the components to you.

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.

Control Panel w/OSI; for Hardwall CR, External-Mount Panel, Night Switch

Operation Status Indicator Light

Modular Cleanrooms include a status indicator light in each corner, which glows when fan/filter units are operating and blinks when they are inactive.

Clean and Durable Powder Coat Finish

Terra’s signature white powder coat finish provides a high quality, durable barrier to protect against corrosion, plus a clean and attractive aesthetic. The advanced heat-fused formulation exceeds ASTM and ISO paint standards to resist chipping, scratching, fading, and wearing.

WhisperFlow Quiet Operation Reduces Distracting Background Noise

Exposure to loud noises can lower the ability to focus on work and listen selectively, which may also lead to safety issues. Typical AC units can be annoyingly loud, measuring in the range of 70 dB (comparable to a vacuum cleaner). Terra’s WhisperFlow design produces far lower noise levels for a quiet environment comparable to a library. At 90 ft/min output, units measure under 50 dB from only 1 ft away (roughly 75% quieter than 70dB).

High-Throughput Cleanroom Manufacturing

Over the past 5 years, Terra has manufactured nearly 1,500 UL-approved cleanrooms at industry-leading build times. Terra’s versatile modular cleanroom frame and panel designs adapt to any floor plan requirement. The UL-rated and scalable plug-and-play power distribution system further simplifies installment of FFU's and lights to cleanrooms of any size.

Complete Order Transparency

Using Terra’s OnTrak system, our customers can view real-time production updates, receive shipment notifications and track their orders until they arrive at their facility

4,000 Worldwide Cleanrooms

Since 1976, Terra has designed and manufactured over 4,000 cleanrooms for companies at the leading edge of high technology

Comprehensive Service Provider

Terra’s portfolio of services includes white glove delivery, product installation, equipment certification, validation documentation, cleaning and disinfection services, engineering consultation, and structural seismic analysis
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For a full list of accessories, select a product then click Choose Accessories on that product page.
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  • Germicidal UV Lamp Sanitizes Labs, Cleanrooms

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  • Aluminum Frame Swing Door

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    This aluminum-frame door slides open along an extruded aluminum track to an opening of 36" (914 mm)
  • Strip Shield Doors

    Strip Shield Doors provides access for areas that don't require strict airflow

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  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
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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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