SKU: 82215192047

Middle Atlantic MRK Series 24RU Open-Frame AV Rack with Back Door - 31in Depth, 22in Width

Sale price$716.04 Regular price$795.60
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Description

Middle Atlantic MRK Series 24RU Open-Frame AV Rack with Back Door - 31in Depth, 22in WidthMiddle Atlantic MRK Series 24RU Open Frame AV Rack with Back Door 31" Depth, 22" Width Designed for demanding AV installations, the Middle Atlantic MRK Series 24RU Open Frame AV Rack with Back Door is built to withstand the rigors of large scale, multi bay deployments. This rugged enclosure combines a space saving footprint with generous internal capacity, making it a favorite among professional installers who demand reliability, serviceability, and

Middle Atlantic MRK Series 24RU Open-Frame AV Rack with Back Door — 31" Depth, 22" Width

Designed for demanding AV installations, the Middle Atlantic MRK Series 24RU Open-Frame AV Rack with Back Door is built to withstand the rigors of large-scale, multi-bay deployments. This rugged enclosure combines a space-saving footprint with generous internal capacity, making it a favorite among professional installers who demand reliability, serviceability, and flexible configuration. With a 31" depth and a 22" width, the MRK rack accommodates a wide range of 19" equipment and ancillary components while maintaining clean cable management and ample airflow for optimal equipment performance. The MRK series is engineered to deliver measurable benefits on every project—from data centers and broadcast suites to convention centers and multi-room systems—while meeting high seismic load ratings to ensure stability in challenging environments. Whether you’re mounting servers, AV processors, power distribution, or control interfaces, this rack provides a robust foundation that keeps gear organized, accessible, and protected.

  • Rugged, space-saving open-frame design engineered for multi-bay deployments, enabling scalable configurations without sacrificing floor space or accessibility.
  • Seismic-certified performance delivers dependable safety and compliance in areas prone to movement, meeting or exceeding industry standards for critical installations.
  • Back door included with flexible access for quick serviceability and streamlined cable management, while the open-frame layout supports efficient airflow and cooling.
  • Standard 19" mounting rails and 24U capacity provide broad compatibility with a wide range of AV and IT gear, ensuring you can consolidate equipment in a single, cohesive enclosure.
  • Durable construction and thoughtful detailing—steel framework, durable powder-coated finish, and engineered tolerances that support precise rack mounting while resisting wear in demanding environments.

Technical Details of Middle Atlantic MRK Series 24RU Open-Frame AV Rack with Back Door

  • RU capacity: 24U
  • Outside dimensions: 22" (width) x 31" (depth)
  • Back door: Included for secure enclosure access and enhanced cable management
  • Construction: Heavy-duty steel with a durable powder-coated finish
  • Mounting rails: 19" EIA standard rails to accommodate a wide range of equipment
  • Ventilation: Open-frame design optimizes airflow; compatible with additional venting options where required
  • Seismic certification: Yes, designed to meet seismic performance expectations for reliable operation
  • Finish: Matte black powder coat for durability and professional aesthetics

how to install Middle Atlantic MRK Series 24RU Open-Frame AV Rack with Back Door

  • Step 1: Plan the layout—confirm the installation location is level, sturdy, and capable of supporting the rack’s weight plus equipment; determine front-access and rear-access requirements for serviceability.
  • Step 2: Unpack and inspect—check the MRK rack and all components for shipping damage and ensure you have the mounting screws, spacers, and any hardware included by the manufacturer.
  • Step 3: Install the mounting rails—attach the 19" rails at the desired height, ensuring proper alignment with the rack posts; tighten screws evenly to prevent rail tilt during equipment installation.
  • Step 4: Mount equipment—begin with the heaviest components, securing them with appropriate screws and washers to distribute load evenly and minimize motion during use.
  • Step 5: Route and manage cables—use the back panel and built-in cable management features to organize power, data, and video cables; leave slack for maintenance and airflow.
  • Step 6: Attach the back door—install the back door and verify the latch operates smoothly; adjust alignment if necessary to ensure a secure seal while allowing easy service access.
  • Step 7: Level and secure—check levelness across the rack and, if required by code or application, anchor the unit to the floor or wall; consider optional seismic bracing for enhanced stability.
  • Step 8: Final check—confirm all equipment is mounted securely, cables are neatly managed, and there is adequate ventilation around all devices for performance and longevity.

Frequently asked questions

  • Q: What is the MRK Series open-frame AV rack designed for? A: It is designed for rugged, large-scale AV and IT installations that require seaworthy stability, efficient cable management, and flexible mounting options in a 24U, open-frame form factor with back-door access.
  • Q: What are the key dimensions of this unit? A: The MRK Series rack offers 24U of rack space, with an outside width of 22 inches and a depth of 31 inches, making it suitable for spacious equipment layouts while keeping footprint in check.
  • Q: Does the rack come with a back door? A: Yes, a back door is included, providing secure enclosure access and streamlined cable routing for maintenance and upgrades.
  • Q: Is the MRK rack seismic-certified? A: Yes, the MRK Series incorporates seismic certification to support reliable operation in environments where structural movement is a consideration.
  • Q: Can I install casters or other mobility options? A: The MRK open-frame rack is typically installed on a stable surface and may support optional mobility accessories or casters from the manufacturer or distributors, depending on the model and configuration.
  • Q: What kinds of equipment are best suited for this rack? A: 19" rack-mount equipment such as AV processors, switchers, patch panels, power distribution, and related control devices; the 24U capacity and robust rails support a wide range of gear while maintaining service access.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 82215192047

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Charles H.
San Leandro, US
★★★★★ 5
Good quality sound deadener at a good price.
Model: NewSLS50_52
Quality sound deadening that adheres to body panels well. You can easily hear the vibration reduction after just the first piece by tapping on the body panel before and after.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 21, 2025
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Nick Frazier
West Palm Beach, US
★★★★★ 4
Good stuff at a good price
Model: NewSLS50_52
Works well and sticks well. I used a roller and it has been over a year and everything still sticking as good as day i put it everywhere. I didnt use any adhesive but I did wipe everything down with acetone before I applied. Good stuff at a good price
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Reviewed in the United States on November 23, 2025
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Verified Purchase
Darren Gray
New York, US
★★★★★ 5
Good value
Model: NewSLS50_52, Model: NewSLS50_52
Working perfectly. Install of stereo equipment and carpet left me wanting some heat and sound resistant materials.
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Reviewed in the United States on March 23, 2026
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Verified Purchase
Tharin
Cuba, US
★★★★★ 5
BUY THIS ONE!
Model: NewSLS50_52
This is one of the good ones. There are other brands just as good, and manny brands are worse, but this handles well, rolls down easily, doesn't come off at all easily, and adapts to dips and curves like a champ. Appropriately heavy and dead, I'm happy with the way it smothers panel resonances and even at muffling direct sound, like a big hand over my Uncle Harry's eternally noisy mouth. You can rip the foil but you have to work hard at doing that. Remember to buy a brayer; you can roll overlaps nice and thin. Also remember to pre-wipe the sheet metal with a decent solvent like acetone or Stoddard/Varsol. It should last forever.
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Reviewed in the United States on April 26, 2025
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Verified Purchase
Harvey
Alexandria, US
★★★★★ 5
Good stuff, but watch the temp
Model: NewSLS50_52
I used this in my single cab pickup truck (89 ford.) It only took half the box (10 sheets or 25 square feet) to do the floors, but I bought the big box because I plan to do the doors, back wall, and maybe the roof as well. One thing I learned is that the temperature matters when you’re doing the installation. It was around 55F when I started in the evening, and when it dipped down into the 40s the sheets would not stick to the metal, and were hard to compress with the roller. That’s why I ended up only doing the floors and not any vertical surfaces; i will have to wait for a nice hot day. The other thing is that the foil layer on top is razor sharp at the edges, definitely wear gloves! I didn’t notice until after but I have little papercuts all over my fingers. Aside from those things, the install was easy and straightforward. The sheets cut easily with scissors, and any goo that ends up on your hands or scissors can be cleaned up with acetone (nail polish remover), or lacquer thinner. I would use this stuff again.
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Reviewed in the United States on November 16, 2023

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