Sargent SML980S Lockable Split...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,902.62
$1,484.51
Sargent SML980S Lockable Split Mullion - Steel Construction, Removable Design, Panic Rated for PE80/80/20/30/90 Series

Sargent SML980S Lockable Split Mullion - Steel Construction, Removable Design, Panic Rated for PE80/80/20/30/90 Series

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Model: SML980S GRAY 96
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,902.62
$1,484.51
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Sargent Lockable Split Mullion with Steel Construction - 96" Height, Grade 1 Rated, Removable Design for PE80/80/20/30/90 Series

Professional Split Mullion Solution for Exit Device Applications

The Sargent Lockable Split Mullion delivers professional-grade performance for PE80/80/20/30/90 Series exit devices with steel construction and removable design. This Grade 1 ANSI/BHMA rated mullion features a standard height of 96" with maximum optional height up to 96", providing reliable separation for double door applications. The lockable design offers enhanced security control while maintaining panic-rated functionality for emergency egress compliance.

Professional Features & Benefits

  • Dimensional Specifications: Standard 96" height with maximum optional height up to 96" for versatile door opening configurations.
  • Heavy-Duty Steel Construction: Durable steel material provides exceptional strength and longevity for demanding commercial applications.
  • Grade 1 ANSI/BHMA Rating: Meets the highest industry standards for performance and durability in commercial door hardware applications.
  • Lockable Security Feature: Integrated locking mechanism provides additional security control when required while maintaining emergency egress capability.
  • Removable Design: Easy transport and installation with removable configuration for convenient handling and setup.
  • Series Compatibility: Specifically engineered for PE80/80/20/30/90 Series exit devices ensuring proper fit and function.
  • Panic Rated Performance: Maintains emergency egress compliance while providing effective door separation and control.
  • Manufacturer Warranty: 1-year limited warranty provides confidence and protection for professional installations.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent split mullion products deliver professional-grade reliability with steel construction rated to Grade 1 ANSI/BHMA standards for demanding commercial applications. The 1-year limited warranty provides added confidence for professional installations. Engineered for demanding commercial applications where dependable performance and emergency egress compliance are essential.

Product Specs

Product Group:
Exit Devices and Trim
Product Subgroup:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Type:
Mullions
Commercial/Residential:
Commercial
Parts and Accessories Type:
Installation Accessories
Product Attribute:
Parts and Accessories
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Sargent SML980S GRAY 96 – Frequently Asked Questions

1) What does a Sargent SML980S split mullion do on a pair of doors?
The SML980S is a removable steel mullion that stands in the center of a pair of doors, giving each leaf a fixed vertical member to latch into. That lets you run rim exit devices on both leaves instead of vertical rod devices. Because it's removable, you can pull it out to move wide freight, furniture, or gurneys through the full opening, then drop it back in. The lockable version adds a lock so the mullion can't be removed by anyone without the key.
2) Which Sargent exit devices work with the SML980S mullion?
It's built for Sargent PE80, 80, 20, 30 and 90 Series exit devices. If your pair of doors is running any of those Sargent rim devices, this is the matching mullion.
3) Does the Sargent SML980S mullion interfere with panic egress or fire code?
No. The mullion is panic rated, so the exit devices on both leaves still release under a single motion for emergency egress. The steel mullion is ANSI/BHMA Grade 1, the commercial heavy duty tier.
4) What is the equivalent to a Sargent SML980S mullion if the opening is being built out with Stanley Security hardware?
The Sargent SML980S is a lockable split mullion in steel, Grade 1 ANSI/BHMA, made to work with PE80, 80, 20, 30 and 90 Series exit devices. On the Stanley Security side the closest peers are the QRM111, a Grade 1 mullion from the QRM100 Series, and the QRM311, a Grade 1 mullion from the QRM300 Series. All three carry the Grade 1 rating, so the deciding factor is the exit device family: the SML980S is engineered to the Sargent PE80/80/20/30/90 Series, while the QRM111 and QRM311 belong to their own Stanley series. Match the mullion to the devices actually going on the pair of doors rather than mixing families across a single opening.
5) Should I use a removable mullion or vertical rod exit devices on my pair of doors?
Mullion plus two rim devices is the simpler route: the rim device latches into the mullion, there are no rods to fall out of adjustment and no bottom rod picking up dirt at the floor. The tradeoff is the mullion sits in the middle of the opening, so anything wider than one leaf means removing it first. Vertical rod devices give you the full clear opening all the time but need the head and threshold prepped and periodic rod adjustment. The SML980S is the removable, lockable answer when you want the clear opening only occasionally.
6) What is the difference between a lockable mullion and a standard removable mullion?
Both pull out of the opening. On a standard removable mullion, anyone who knows the release can take it out. The SML980S adds an integral lock, so removal requires the key. That matters on exterior pairs and on retail or school openings where an unattended removable mullion is a security gap. If nobody but maintenance ever touches it and the opening is interior, a plain removable mullion does the same job.
7) What finish does the Sargent SML980S come in, and can it be painted?
Gray Prime Coat only. That's a primer, not a finish coat, so it's meant to be field painted to match your frames. Budget the paint into the job.
8) What are the alternatives to the Sargent SML980S removable mullion?
Stanley Security makes Grade 1 mullions in two families we carry: the QRM111 from the QRM100 Series and the QRM311 from the QRM300 Series. Both are Grade 1 like the Sargent. Keep the mullion with the device line where you can, though, since the SML980S is specified against Sargent's own PE80, 80, 20, 30 and 90 Series rim devices.
9) What is the difference between the Stanley QRM111 and QRM311 mullions, and how do they compare to a Sargent split mullion?
The QRM111 and the QRM311 are both Grade 1 Stanley Security mullions, separated by series: the QRM111 is QRM100 Series and the QRM311 is QRM300 Series. Neither is a drop-in for the Sargent SML980S, which is a lockable split mullion in steel construction, removable for transport and handling, and built for PE80, 80, 20, 30 and 90 Series exit devices. If the devices on the opening are Sargent, the SML980S is the mullion that pairs with them; the Stanley units pair with their own series. Confirm the exit device series before ordering any of the three, because the mullion and the device have to come from the same family to latch and release correctly.
10) Is a standard Grade 1 mullion the same thing as a lockable split mullion?
No. The Sargent SML980S is a lockable split mullion: it splits for removal and carries an integrated locking feature that holds it in place under security control while the opening stays panic rated for egress. The Stanley Security QRM111 and QRM311 are described as standard Grade 1 mullions in the QRM100 and QRM300 Series respectively. A standard mullion and a lockable split mullion both divide a pair of doors, but the removable and lockable arrangement is what lets crews take the center post out for wide loads and secure it again afterward. If the facility moves equipment or freight through that pair of doors, specify the split lockable type rather than assuming any Grade 1 mullion covers it.
11) Is the Sargent SML980S mullion rated for commercial traffic in schools and hospitals?
Yes, it's a commercial product, steel built and ANSI/BHMA Grade 1. Typical placements are school and campus pairs, hospital corridors, retail entries, warehouse openings, government buildings and multi tenant residential, anywhere a pair of doors needs rim devices plus the ability to clear the center for moving equipment.
How fast can I get the Sargent SML980S GRAY 96 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sargent SML980S GRAY 96 come with a warranty?
Absolutely. The Sargent SML980S GRAY 96 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sargent SML980S GRAY 96?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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