Terra Part # 2638-90
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Pass-Through; CleanMount CleanSeam, 24.5" W x 19.8" D x 17" H ID, Flush Wall Mount, 316L Stainless Steel, w/ Removable Racks

• Easy-to-sterilize 316L stainless steel cleanroom pass through for sterile bio-pharma applications

• Obstruction free interior, lipless edges, radius corners, continuous welds for strict disinfection

• Quick and easy flush-mount design is hassle-free and installs in under 3 minutes (see video)

• Hidden automatic door interlock allows only one door to open at a time to prevent cross-contamination

• Lift-off hinges allow doors to be easily removed for more thorough cleaning

• Cleanroom pass throughs reduce foot traffic, improve cleanliness, safety, productivity, and much more.

Chamber Design:

• All-316L stainless steel surfaces with enhanced corrosion resistance stand up to harsher cleaning agents and withstand degradation from bleach-based disinfectants.

• Continuous welds with coved radius corners and lip-less edges eliminate hard-to-clean cracks and crevices where contaminants can collect.

• Double-wall construction greatly increases rigidity and durability of the pass through chamber to facilitate installation and prevent warping on larger chambers.

• Flush-mount design removes dust accumulating surfaces inside the cleanroom.

• Dual BioSafe® stainless steel racks easily remove for cleaning or sterilizing and are reversible to allow slide-out motion in either direction.

WARNING: Not suitable for biological applications.

Quick and Clean Installation:

• Innovative fastening system clamps to a variety of wall thicknesses without penetrating or damaging the finished surrounding wall.

• The mounting frame is covered on both sides for an easy-to-clean finish with no visible fasteners or screws.

• Easy-to-install mounting system also allows the entire passthrough chamber to be seamlessly removed and reinstalled within minutes, without damaging the surrounding wall.

Hidden Automatic Door Interlock:

• Hidden Interlock mechanism is mounted outside the transfer chamber (between double-wall) for easy-to-clean obstruction-free chamber interior.

• Rugged CleanMount® mechanical interlock design uses rigid stainless steel rods that run through the door and firmly lock into the lift latches.

Door Design:

• Access doors with 316L stainless steel reinforced frames extend passthrough chamber's service life and provide a tight seal.

• Doors include one-piece non-adhesive Santoprene® “e”-shape rubber gasket for tight seal to prevent outside air from leaking in; gaskets is non-outgassing and will not take a set or keep an impression.

• Doors are leak-rated by UL for tight seal to maintain cleanroom pressure gradients.

• Heavy-duty stainless steel lift latches and detachable hinges minimize scratching, corrosion and contamination thats occurs with ordinary chrome-plated hardware.

• Order replacement door(s) to avoid critical operation delays should a door be damaged and require immediate replacement.


• (1) Automatic mechanical interlock.

• Dual BioSafe® stainless steel racks, easily removed for cleaning or sterilizing.

• Mounting bracket system with cover plates. Standard mounting system accommodates 4”-6” wall thickness. Specify wall thickness at time of order.

Inside Depth: 19.8"

Inside Height: 17"

Inside Width: 24.5"

Concealed Interlock: Yes

Continuous-Seam Welds: Yes

Electropolished: Optional

HEPA/ULPA Filtration: No

Material: 316L Stainless Steel

Model: CleanMount CleanSeam

Mounting Position: Flush Wall

Special Door Configuration: Leak-Rated

Storage Racks: Included

Window Material: PVC

Unit of Measure: EA

Dimensions, Product: 30" W x 20" D x 18.5" H

Dimensions, Shipping: 33.25" W x 40.25" D x 31.5" H

Marks & Listings: UL

Package Type: Crate

Weight, Product: 163 lb

Weight, Shipping: 267 lb

Buy Accessories
  1. Removable BioSafe shelf with runner: designed for easy removal and cleaning or autoclaving | 2639-00 displayed
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  2. Removable BioSafe wire shelf: designed for easy removal and cleaning or autoclaving | 2639-01 displayed
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  3. Perforated Stainless Steel Shelf allows unimpeded airflow within the desiccator | 1610-42 displayed
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  4. Stainless Steel solid desiccator shelf with lip | 1976-05 displayed
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  5. Removes solvents and other hazardous vapors from materials while they are in the pass-through | 6705-23 displayed
    Flange; Stainless Steel for Stainless Steel Pass-Throughs Stocked Item is in stock and ready for immediate shipping
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  6. To prevent doors from opening completely, use a 90 degree door stop for flush mount pass through doors | 6705-98 displayed
    Door Stop; 316L SS, Left Hinge, for Flush-Mount Pass-Through Chambers Stocked Item is in stock and ready for immediate shipping
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  7. To prevent doors from opening completely, use a 90 degree door stop for flush mount pass through doors | 6705-98 displayed
    Door Stop; 316L SS, Right Hinge, for Flush-Mount Pass-Through Chambers Stocked Item is in stock and ready for immediate shipping
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  8. FasTrak 24-7 Expediting Service
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  9. Electropolish Service
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  11. Qualification Documentation (IQ/OQ) for Terra Universal System
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CleanMount® Pass-Through Chambers

  • Passthrough Chambers with BioSafe EZ-Out Rack Passthrough Chambers with BioSafe EZ-Out Rack
Passthrough Chambers with BioSafe EZ-Out Rack

Features and Benefits

CleanMount Basics

CleanMount CleanSeam Pass-Through 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”

Concealed Automatic Interlock Simplifies Cleaning!

Automatic door interlock is hidden and isolated from the main chamber to provide a smooth and seamless interior for easy wipe down and sterilization.

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • 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.
  • Removable Slide-Out Shelves
    BioSafe EZ-Out stainless steel shelves slide out to provide easy access to materials passed into the pass-through chamber.
  • Electropolish Finish
    Electropolishing increases corrosion resistance, improves ease of cleaning, and provides a smooth and bright finish.

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.
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  • 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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