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Rim Cylinder Thumbturn for Von Duprin 98/99-2 Series Double Cylinder Rim Exit Device, Dark Oxidized Satin Bronze Oil Rubbed Finish
Our approach creates layered security to specifically address both physical and administrative needs for a full range of security options.
Schlage’s layered security approach to key systems let’s you combine standard open security with restricted solutions and those that meet your highest security needs under one keyway design. It’s innovative thinking that is flexible and upgradeable to fit your security needs well into the future.
Schlage key systems provide patented, restricted, and high security solutions to help protect human safety and the valuable assets of your business. These innovative key systems are designed for flexibility and value. They allow application of open keyways alongside restricted options to appropriately address security levels on each individual doorway yet working within a single keyway system for maintenance ease and control. You get the right levels of security where it counts in a facility-wide solution designed to accommodate your budget.
Manufacturer Resources
Product Specs
- Product Group:
- Mechanical Locks
- Subcategory:
- Parts and Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Roses and Thumbturn
- Commercial/Residential:
- Commercial
- Compatibilty:
- Von Duprin 98/99-2 Series Double Cylinder Rim Exit Device
- Parts and Accessories Type:
- Replacement Parts
- Product Attribute:
- Parts and Accessories
- Product Model:
- XB11-979
- Product Category:
- Mechanical Locks
- Product Substrate:
- Stainless Steel
Schlage XB11-979 626 – Frequently Asked Questions
1) What Von Duprin exit devices is the Schlage XB11-979 rim cylinder compatible with?
This rim cylinder is designed for Von Duprin 98 and 99 2-series double cylinder rim exit devices. It provides thumbturn operation on the secure side while maintaining keyed cylinder access from the exterior.
2) How does the double cylinder configuration work on rim exit devices?
Double cylinder rim exit devices require key operation from both sides when locked. The XB11-979 provides thumbturn convenience on the interior while maintaining security. Both cylinders must be unlocked for the exit device to retract.
3) What keying options are available for this rim cylinder?
The cylinder can be keyed to match existing systems or provided with construction keying. Consult your locksmith for specific keying requirements and to ensure compatibility with your master key system.
4) Is this cylinder handed or universal?
Rim cylinders for exit devices are typically universal and can be installed on either right-hand or left-hand applications. The thumbturn orientation adjusts during installation to suit the door configuration.
5) What finish does the 979 designation indicate?
The 979 finish is polished brass. This provides a traditional appearance that coordinates with brass Von Duprin exit device components and other Schlage commercial hardware in matching finishes.
6) How is the rim cylinder secured to the exit device?
The cylinder threads into the exit device case and is secured with a retaining ring or clip. Follow the exit device manufacturer's instructions for proper installation torque and cylinder retention methods.
7) Can this cylinder be used with single cylinder rim exit devices?
This cylinder is specifically designed for double cylinder applications. Single cylinder exit devices use different internal mechanisms. Verify your exit device model requires double cylinder operation before ordering.
8) What tools are needed for installation?
Installation typically requires cylinder pliers or spanner wrench for proper threading. Standard screwdrivers may be needed for retaining hardware. Avoid over-tightening which can damage the cylinder threads.
9) How do you maintain rim cylinders in exit devices?
Regular lubrication with graphite or cylinder-specific lubricant keeps operation smooth. Avoid oil-based lubricants that attract dirt. Check thumbturn operation and key function during routine exit device maintenance.
10) Are there alternative cylinders for Von Duprin 98/99 series devices?
Von Duprin also manufactures cylinders for their exit devices. The Schlage XB11 series provides an alternative with different keying options and finish choices while maintaining full compatibility.
11) What is the cylinder length specification?
Rim cylinders for exit devices have standardized threading and projection lengths. Verify your exit device case thickness and required cylinder projection before installation to ensure proper fit.
12) Can the thumbturn be removed for increased security?
Some applications require removable thumbturns for maximum security control. Check the cylinder specification to confirm if the thumbturn can be removed and what tools or keys are required for this function.
How fast can I get the Schlage XB11-979 626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 Schlage XB11-979 626 come with a warranty?
Absolutely. The Schlage XB11-979 626 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 Schlage XB11-979 626?
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