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Von Duprin
Von Duprin products from National Lock Supply offer unmatched durability and innovation in exit devices and door security. Known for their panic hardware and QEL technology, Von Duprin is a staple in commercial and high-traffic facilities. Discover the full range of Von Duprin product categories we offer.
Frequently Asked Questions
What is Von Duprin?
Von Duprin is an Allegion brand and the industry standard for exit devices. It is best known for exit devices and panic hardware.
What products does Von Duprin make?
Von Duprin's product range includes 98 and 99 Series rim devices, 33A and 35A, and 22 Series panic and fire exit hardware.
When is Von Duprin panic hardware required by code?
Under the IBC, exit devices like Von Duprin's are required on doors serving assembly or educational occupancies with 50 or more occupants, all high-hazard (Group H) occupancies, and certain large electrical rooms. On fire-rated doors you must use Von Duprin fire exit hardware, which is labeled for both panic and fire and cannot use mechanical dogging.
Where is Von Duprin hardware typically used?
Von Duprin hardware is specified for code-required egress on commercial and institutional doors.
Is Von Duprin hardware commercial grade and code compliant?
Yes. Von Duprin manufactures to commercial standards and tests its products to the applicable ANSI/BHMA A156.3 for exit devices. For most commercial and institutional openings, specify Grade 1 where the product line offers it, and confirm any fire-rating or ADA listings the opening requires.
What is the difference between rim, mortise, and vertical rod Von Duprin exit devices?
Rim devices latch at the frame and are the most common single-door choice. Mortise devices use a mortise lock body for added security. Surface and concealed vertical rod (SVR and CVR) devices latch at the top and bottom for pairs of doors. Von Duprin offers each type so the device matches the door configuration.
Does National Lock Supply sell genuine Von Duprin products?
Yes. National Lock Supply is a stocking distributor of genuine Von Duprin exit devices and panic hardware, with competitive pricing, real-time availability, and expert support to help you specify the right part. Browse the full Von Duprin line or contact us for project quotes and cross-references.