Legend Standard Series

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Once-Thru Design

Once-Thru Design is also known as single-pass. Ambient air is drawn into the SAM® Fan Filter Units at ceiling level. The filtered air passes into the cleanroom and is transferred out of the room through grilles at the bottom of the walls.

Specifications:

Cleanroom Wall Material: White wall panels mounted into 2” clear anodized aluminum framing.

T-Grid Ceiling System: 2” HD T-Bar with anodized aluminum finish. Includes all connectors, suspension hardware and gasket to be applied on site.

Ceiling Support Structure: Suspension support beams attached to top of cleanroom walls for suspending T-Grid Ceiling System. No support required from host building.

Windows: (1) Nominal 46” W x 39” H tempered glass, double glazed, flush mounted in anodized aluminum frame.

Entry Door: (1) 3’0”x 6’8” Door with viewing window, passage lever and spring hinges.

Classifications Offered
ISO Federal Standard 209E
6 1,000
7 10,000
8 100,000
Standard Sizes
W x L
12′ x 12′
12′ x 16′
12′ x 20′
12′ x 24′

Return Air / Transfer Grilles: Properly sized for airflow relief.

Interior Height: Eight (8) Feet, overall height 10’.

Lighting: 2’ x 4’ LED cleanroom light fixtures with sealed housings and polystyrene lens.

Ceiling Panels: Cleanguard ceiling panels with sealed edges for spaces not occupied by SAM® Fan Filter Units or light fixtures.

HEPA Filters: SAM® 2’ x 4’ Fan Filter Units, 115V with 99.99% HEPA Filter, variable speed control and all other standard specifications as manufactured by Clean Rooms International.

Ordering Information
Model No. Sizes W L Inside Ceiling Ht. Volts No. SAM’s No. Lights Ceiling Panels 3′-0″ x 6′-8″ Door 46″ X 39″ Window Transfer Grilles
(ISO Class 6) Class 1,000
20013 12′ x 12′ 8′ 115V 5 3 10 1 1 ea. *
20014 12′ x 16′ 8′ 115V 7 4 13 1 1 ea. *
20015 12′ x 20′ 8′ 115V 9 5 16 1 1 ea. *
20016 12′ x 24′ 8′ 115V 10 6 20 1 1 ea. *
(ISO Class 7) Class 10,000
20029 12′ x 12′ 8′ 115V 2 3 13 1 1 ea. *
20030 12′ x 16′ 8′ 115V 3 4 17 1 1 ea. *
20031 12′ x 20′ 8′ 115V 4 5 21 1 1 ea. *
20032 12′ x 24′ 8′ 115V 5 6 25 1 1 ea. *
(ISO Class 8) Class 100,000
20045 12′ x 12′ 8′ 115V 1 3 14 1 1 ea. *
20046 12′ x 16′ 8′ 115V 2 4 18 1 1 ea. *
20047 12′ x 20′ 8′ 115V 2 5 23 1 1 ea. *
20048 12′ x 24′ 8′ 115V 2 6 28 1 1 ea. *

* Refer to submittal drawing

Electrical: Electrical connections to the building power source are to be completed on site by a qualified electrician at buyer’s cost.

Assembly: Legend Cleanrooms are knocked down for shipment. Detailed assembly instructions included with shipment.

Submittal Drawings: A prepared submittal drawing will be sent with an Order Acknowledgment after a purchase order is received at CRI.

Options: If options, modifications, or revisions are required, additional lead time will be necessary. Consult with the factory for the effect on lead time and pricing.

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Section View of Once-Thru Design
Ambient air is drawn into the SAM Fan Filter Units at ceiling level. The filtered air passes into the cleanroom and is transferred out of the room through grilles at the bottom of the walls.

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