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Material

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Inside Height

Terra Part #PriceShips in
304 Stainless Steel Flush Wall No 18" 18" 24" 1993-72A 60483 $6,6935-9 Days2
304 Stainless Steel Flush Wall No 12" 12" 12" 1993-71A 60482 $5,1821-3 Days3
Stocked
304 Stainless Steel Flush Wall No 24" 24" 24" 1993-73A 60484 $8,1341-3 Days4
Stocked
304 Stainless Steel Flush Wall No 21" 24" 46" 1993-74A 60485 $9,57515-25 Days5
304 Stainless Steel Flush Wall No 36" 36" 48" 1993-76A 60487 $12,50115-25 Days6
304 Stainless Steel Flush Wall No 36" 36" 36" 1993-75A 60486 $11,05915-25 Days7
Material
Mounting Position
Viewing Window
Inside Width
Inside Depth
Inside Height
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Request demo from your product specialist or add note to your order or quote request.

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Product Details

• Designed for installation in a fire-rated cleanroom or laboratory wall

• Allows transfer of materials into and out of the controlled environment

• Fire-rated door carries the UL-B label for 90-minute fire exposure (suitable for 2-hour wall rating)

• Fire-rated door does not include a window

• Opposite-side door has a standard LiftLatch and static-dissipative PVC window

• 304 stainless steel chamber provides durable, chemical-resistant surfaces for easy cleaning

• Automatic interlock mechanism offers high reliability with no maintenance

• To maintain UL fire-rating certification, maximum fire-rated door dimensions not to exceed 36”W x 48”H

Marks & Listings: UL, ULC

Fire-Rated Pass-Through Chambers

  • Fire Rated Chamber, 24 FIre-Rated Pass-Through, 24"W x 26.5"D x 24"H
  • Fire-Rated Pass-Through Chamber
  • Fire-Rated Pass-Through Door with No Window Fire-Rated Pass-Through Door
  • Pass-Through; EP 304 SS, CleanSeam, 18 Fire-Rated Pass-Through Chamber, 18"W x 20.5"D x 24"H
Fire Rated Chamber, 24
Fire-Rated Pass-Through Door with No Window
Pass-Through; EP 304 SS, CleanSeam, 18

Features & Benefits

Features and Benefits

Critical Dimensions

Fire-Rated Pass-Through Chambers Without Windows

Chambers Tailored to Your Requirements 

Modifications are no problem, as long as you keep these points in mind to retain the UL-B fire-rating:

  • Door thickness cannot be modified
  • Window dimensions cannot be modified
  • Pass-through chamber width and height dimensions other than what is shown in the ordering chart are possible, but are restricted to the outside dimensional (OD) range between 24"W x 18"H and 36"W x 48"H

Discuss your specific needs with a Terra Product Specialist.

Fire-Rated Pass-Through Installation

Fire-rated doors are designed to be mounted flush with the wall, with the body of the pass-through extending into the unclassified room (see illustration).

Access Clearances 
  • Width = (Nominal Chamber Width) – 1.88"
  • Depth = (Nominal Chamber Depth) – 0.12"
  • Height = (Nominal Chamber Height) – 1.25"
  • Wall Cut-Out = Add 0.5" to chamber width and add 0.5" to chamber height
Pass-Through Support Brackets

Terra offers support brackets and hardware to ensure secure mounting (order separately). In most cases, a bracket kit provides ample support. Select support brackets for 36"D (914 mm) wall-mount models to brace the larger chamber. Two brackets are recommended for wide chambers (installed side-by-side on the wall).

Fire-Rated Pass-Through Glass Window

The wire-free glass-ceramic incorporate a surface-applied, fire-rated film and is impact rated for additional safety. These windows feature a high level of clarity and offer protection from either side.

Pass-Through Chamber Interlock

Terra’s automatic mechanical interlock prevents cross-contamination by allowing one door to be open at a time. Encased in stainless steel, the mechanism is rated for millions of operations, more than enough to last the lifetime of the pass-through.

High Caliber Hardware

Seemingly small details like latches, ports, glides and hinges are often overlooked or ignored by other manufacturers, and later become the point of costly recurring maintenance or equipment failure. Terra’s products are made of long lasting, cleanroom compatible, top tier hardware. Individual components are carefully designed and rigorously tested to guarantee the highest quality, durability, and craftsmanship.

Stainless Steel Reinforced Doors and Handles

Doors on professional-grade pass-through chambers are reinforced with stainless steel frames, which lend rigidity, improve the seal, and extend the service life of the doors.

One Piece Elastomer Gasket

The white, “e”-shaped gasket provides a flexible seal that will not creep or deform over time. The gasket is made of a non-outgassing, thermoplastic elastomer that is resistant to harsh chemicals and extreme temperatures.

Spring-Loaded Fire-Rated Passthrough Hinge

Spring-loaded hinges provide the self-closing capability required in a fire-rated wall. Automatic closing doors also simplify operation for operators with hands full.

Insulated Fire-Rated Pass-Through Door

Terra’s fire-rated door meets UL 10B requirements for 90-minute fire exposure, including hose-stream testing. The inside of the door is lined with 2”-thick SuperWool® Plus insulation to reduce heat transfer from elevated room temperatures.

High Caliber Hardware

Seemingly small details like latches, ports, glides and hinges are often overlooked or ignored by other manufacturers, and later become the point of costly recurring maintenance or equipment failure. Terra’s products are made of long lasting, cleanroom compatible, top tier hardware. Individual components are carefully designed and rigorously tested to guarantee the highest quality, durability, and craftsmanship.

UL-Listed Fire-Rated Doors and Windows for Highest Safety and Quality

Ensuring the safety of your personnel, equipment, and facility is essential. UL is recognized around the world as the leader in product safety testing and certification. Terra's UL-listed fire-rated doors and windows are manufactured to the highest standards to maintain the integrity of your facility’s certified fire-rated wall.

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. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

Comprehensive Product Portfolio

Terra’s comprehensive product portfolio includes solutions for every application and budget. Our technical sales staff will guide you toward the product most suitable for your requirements.

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Support Brackets for Pass-Through Chambers
    Stainless steel support brackets are recommended for pass-throughs deeper than 24". Brackets fasten to the wall and the body of the chamber rests upon the horizontal bar; no fasteners are used on the pass-through itself.
  • Passthrough Chamber Door Stop
    This stainless steel door stop limits the arc of the pass-through door's swing to 90°, preventing damage to wall, door latch and other components. Door stops can be adjusted to allow other angles.
  • Electropolish Finish
    Electropolishing increases corrosion resistance and improves ease of cleaning with a smooth, reflective, mirror-like finish.

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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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