Terra Part # 2635-75A-2-316
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Pass-Through; Smart®, BioSafe®, CleanMount CleanSeam, 24" W x 24" D x 24" H ID, Flush Wall Mount, 316L Stainless Steel

• No-lip chamber design simplifies material transfer by eliminating clearance restrictions

• Front edge seals of noncontaminating polyurethane inset in doors

• Unique easy-mount system allows installation in under three minutes

• Durable, no-maintenance mechanical interlocks, isolated outside the pass-through chamber

• Smart® Control Module provides service alerts when either door is open

• Includes removable stainless steel doors with tempered glass windows, and 304 stainless steel mounting brackets

• Continuous-seam welds and radius corners create an ultra-smooth internal surface

• Easy to clean/sterilize and devoid of cracks and seams that can harbor microbes

• Elastomer-lined LatchGuard™ eliminates external contamination caused by metal-on-metal contact

• Enhances durability, and creates a controlled, “soft landing” seal as latch is engaged

• Integral clean-side bracket seals flush to wall without fasteners or caulking

• Opposing bracket snaps in place and features smooth, easy-clean surface with no visible fasteners

• Unique folded design features 12 rounded corners with no cracks

• Ideal for strict cleaning/sterilizing protocol

• Power cord included and should be hardwired to power supply onsite per local code by a licensed electrician

Special Door Configuration: Autoclavable

Material: 316L Stainless Steel

Mounting Position: Flush Wall

Inside Width: 24"

Inside Depth: 24"

Inside Height: 24"

Expand System Capabilities: UV Sanitizer, Electronic Pass-Through Upgrade, 90° Corner Placement, LED Lighting, ULPA Air Shower, Intercom, Iris Scanner, Keycard Reader, Fingerprint Scanner, Video Recording, Power Outlet, Load Presence Sensor, Access Control System, Air Speed Sensor, Access Panel, Message Panel, Slide-Up Doors

Window Material: Tempered Glass

Electropolished: Yes

Storage Racks: Optional

HEPA/ULPA Filtration: No

Unit of Measure: EA

Marks & Listings: UL, ULC

Electrical Specifications: 120 V, 50/60 Hz

Weight, Product: 155 lb

Dimensions, Product: 37.5" W x 24" D x 25.6" H

Weight, Shipping: 360 lb

Dimensions, Shipping: 34" W x 43" D x 43" H

Package Type: Crate

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  1. Racks shown mounted in pass through. Shelf sold separately.  |  1993-40A displayed
    Shelf, BioSafe® Pass-Through, 304 SS, for 24"W x 24"D CleanSeam Isolated Interlock Stocked Item is in stock and ready for immediate shipping
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  2. Motion sensor-activated Automatic Door Operator eliminates the touch-contamination that normally results from using a standard pass-through door  |  2635-60 displayed
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  3. UV-C germicidal lamp kills microbes  |  2635-50 displayed
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  4. Recessed LED Light For Smart Passthrough
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  5. Keycard Reader For Smart Passthrough  |  2635-85 displayed
    Proximity Keycard Reader, for Smart Pass-through Stocked Item is in stock and ready for immediate shipping
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  6. Access Code Panel For Smart Passthrough  |  2635-81 displayed
    Proximity Reader and Keypad, for Smart Pass-through Stocked Item is in stock and ready for immediate shipping
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  7. Fingerprint Reader For Smart Passthrough  |  2635-82 displayed
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  8. Iris Scanner For Smart Passthrough  |  2635-84 displayed
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  10. Stainless Steel Smart Passthrough Air Filter  |  2635-55 displayed
    ULPA Air Shower, for Smart® Passthrough Chambers Stocked Item is in stock and ready for immediate shipping
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  11. Cleanroom Exhaust Air Speed Sensor  |  2635-57 displayed
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  12. Smart Pass-Through Intercom option allows clear through-wall communication - easy to operate by glove personnel  |  2635-89 displayed
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  14. Load Presence Sensor For Smart Passthrough  |  2635-90 displayed
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  15. FasTrak 24-7 Expediting Service
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  16. Qualification Documentation (IQ/OQ) for Terra Universal System
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  17. White Glove Freight Service
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  18. Equipment Testing and Certification
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  19. UL Listing Declaration for Leak-Rated Pass-Throughs
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Smart® BioSafe® CleanMount® Pass-Throughs Chambers

  • this video shows how the hands-free operation of the automatic pass-through door minimizes the potential for touch contamination Hands-Free, Automatic Pass-Through Door
  • Smart® Pass-Through Chambers by Terra Universal
this video shows how the hands-free operation of the automatic pass-through door minimizes the potential for touch contamination

Features and Benefits

CleanMount Basics

CleanMount BioSafe Smart Pass-Through Chamber

Don't risk operational delays or cleanroom shutdown because of a damaged door!
Terra's pass-through chambers last indefinitely, much longer than our standard product revision cycle. Pass-Through doors, however, are subject to damage, and ordering a legacy replacement can be costly and disrupt cleanroom operation. To avoid these problems, order replacements at the time you purchase the pass-through chamber; simply add “-RH” (for right-side hinge) or “-LH” (for left-side hinge) to the part number of the chamber.
CleanMount™ Design Allows Servicing or Replacement without Cleanroom Shutdown!
The simplicity of this CleanMount clamping system makes removal of the pass-through chamber just as easy as installation. If the wall cut-out framing is properly sealed prior to installation, the pass-through can be quickly removed and replaced without ever having to shut down the cleanroom. Maintain the positive-pressure differential and protect the cleanroom environment by sealing off the "dirty side" with plastic sheeting prior to removal. Loosen the lag bolt so that the pass-through lifts out of the wall without contaminating the room. Once out, the pass-through can be serviced, modified, or even replaced with an upgraded version to accommodate new applications.
A - Inside of flush-mount bracket on opposing side
B - Bolt guide extending from nut welded to opposing bracket
C - Mounting bolt (one, two or three per side, depending on chamber height) - standard sizes accommodate any wall thicknesses
D - Mounting bracket
E - Bracket cover
F - Standard wall (masonry or drywall)
Finish cut-out framing to minimize contamination exposure during servicing Terra's quick-mount system installs in under five minutes, regardless of wall thickness and without contamination
Access Clearances 
Width = W (nominal) – 1.88”
Depth = D (nominal) – 0.12”
Height = H (nominal) – 1.25”
Mounting Illustration with Door Swing Direction

Interlock Status Lights

Red light indicates opposing door is open (interlock engaged); green light means door available for use.

Wireless Door Alert

Alarm bell rings when its assigned door is open (two bells per chamber); plugs into a standard wall outlet.

CleanMount™ Quick Install System

Clean-Mount™ clamping design allows pass-through installation flush against a cleanroom wall in a few minutes, without drilling into the finished wall; mounting brackets clamp flush against walls of any thickness.

Flush-Mount Design Prevents Dust Accumulation

CleanMount® pass-throughs hug the cleanroom wall, eliminating gaps that collect germs and particle and making them ideal for critical bio/pharmaceutical cleanroom use.

Stainless Steel-Reinforced Removable Pass-Through Door

The stainless steel-reinforced CleanMount® doors lift off for easy replacement or more thorough cleaning/decontamination.

CleanMount® Lipless Chamber Eliminates Clearance Obstructions

Instead of welded seams, the corners of the CleanMount® pass-through interior are coved to eliminate dust and germ traps. The lipless opening presents no clearance obstructions and further simplifies cleaning.

Lift-Off BioSafe® Doors with Non-Outgassing Bio-Seal

The BioSafe® pass-through door design features a non-outgassing polyurethane seal, potted flush with the interior door surface, that seats against a raised edge. Lift-off doors can be removed for easy cleaning or autoclaving.

Easy Installation Simplifies Cleanroom Commissioning

Installing conventional passthroughs can be very messy, making it impossible to perform while a cleanroom is operational. Terra’s innovative CleanMount® fastening system allows for clean installation, without drilling or penetrating the cleanroom wall. Framing a CleanMount® passthrough chamber on a finished cut-out eliminates the need for cleanroom shut-down during installation or service.

Removable Cart Ramps on All Floor-Mount Models

Floor-mount pass-through chambers include dual-side stainless steel cart ramps, sloped on three sides, that are removable for easy cleaning.

BioSafe®: Terra's Ultimate Cleanliness Rating

Terra's BioSafe products are designed for life science applications: no gaps and crevices where microbes can colonize, rounded corners for easy disinfection, won't produce contaminants during sterilization, and exceed cGMP, IEST, ASTM and ISO 14644-1 requirements.

Highest Standards For Electronic Components

Terra’s electronic components are designed and built to the highest standards required by defense and semiconductor industries for long-term reliability and protection against damage, injuries, and electrical hazards.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. We accomplish this by harnessing high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our will to continuously improve.

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • UV Sanitizing Module
    Provides a timed cycle of 254 nm Ultra-Violet (UV) radiation to neutralize bacteria, viruses and mold spores within line-of-sight of the light fixture.
  • 90° Corner Design
    Custom door configurations are no problem. Install Smart pass-throughs in corner walls, with door swings in either direction.
  • Automatic Door
    Hands-free operation of the pass-through door, governed by the electronic interlock; automatically closes based on delay timer.
  • Removable Pass-Through Sliding Shelves
    Removable stainless steel sliding shelves with runners simplify cleaning, increase storage surface area of chamber space, and allow easy access to every inch of shelf space.
  • Iris Scanner
    Fully automated iris scanner for secure, hands-free access (includes datalogging and optional secondary keycard reader).
  • LED Recessed Light
    Activates when either pass-through door opens; flush with the wall surface, covered by a static-dissipative PVC lens.
  • Available UV & LED lights
    Lights are recessed with a transparent lens for easy cleaning; UV-C module neutrailizes microbes using a timed disinfection cycle.

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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