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Von Duprin 33A-3ft Grooved Case Narrow Stile Rim Exit Device for 36" Doors, Grade 1
Heavy-Duty Narrow Stile Panic Exit Hardware for Commercial and Institutional Applications
The Von Duprin 33A-3ft is a professional-grade, grooved case narrow stile rim exit device engineered for 36" single and double doors in demanding commercial environments. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards and UL listed for panic exit hardware, this device accommodates door stiles as narrow as 1-3/4" (44mm) and features a one-piece center case cover for streamlined installation and durability. Non-handed for versatile application, the 33A is purpose-built for schools, hospitals, and government facilities where reliable egress performance is essential.
Professional Features & Benefits
- Narrow Stile Compatibility: Fits door stiles as narrow as 1-3/4" (44mm), making it ideal for aluminum storefront and narrow stile door applications where space is limited.
- 36" Door Coverage: Sized for 36" doors with a product dimension of 8-3/16" x 1-9/16" x 2-13/32" and a product projection of 3-13/16" for precise, low-profile installation.
- ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 standards, the highest industry certification, ensuring long-term reliability in high-traffic institutional settings.
- Comprehensive Certifications: Listed to ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for broad code compliance.
- Non-Handed Design: The rim device is non-handed (except when the SS signal switch option is used), simplifying specification and reducing inventory requirements.
- Grooved Mechanism Case: The distinctive grooved case of the 33A Series provides an architectural design element that differentiates it from the smooth-case 35A, while sharing the same heavy-duty push pad platform.
- Hex Key Dogging Configuration: Equipped with hex key dogging for straightforward hold-open functionality in appropriate applications.
- Included Fasteners: Ships with 1-3/4" and 2-1/4" wood/metal door fasteners plus SNB included, supporting a broad range of door preparations.
- Field-Configurable Retrofit Options: Compatible with CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (RX request-to-exit, LX latchbolt monitoring) for evolving access control needs.
- ADA and Delayed Egress Upgrades Available: AX option certified to meet 5 lb. force requirements per 2010 ADA (Chapters 404.2.7 and 30934) and 2013 California Building Code (Chapter 11B-309.4); CX CHEXIT option meets NFPA and IBC delayed egress requirements with 15-second hold and nuisance alarm.
Technical Specifications
- Product Group: Exit Devices and Trim
- Series: 33 & 35 Series
- Grade: Grade 1
- Fasteners: Includes 1-3/4" and 2-1/4" wood/metal door fasteners, SNB included
- Product Subgroup: Exit Devices - Rim
- Subcategory: Rim Exit Devices
- Latch Throw: 3/4"
- Product Type: Exit Devices - Rim
- Commercial/Residential: Commercial
- Device Centerline from Finished Floor: 39-13/16"
- Stile Type: Narrow Stile
- Wood Door Compatible: No
- MAP Policy: Yes
- Product Model: 33A/35A-3'
- Collection: 33 & 35 Series
- Door Hand Direction: Non-Handed
- Door Thickness Range: 1-3/4"
- Product Size: 36"
- Dogging Configuration: Hex Key Dogging
- Product Dimension: 8-3/16" x 1-9/16" x 2-13/32"
- Fire Rating: No
- Product Projection: 3-13/16"
- Product Style: Push Pads
- Product Category: Exit Devices and Trim
- Department: Door Hardware
Professional Applications
- Commercial Office Buildings
- Educational Facilities and Schools
- Healthcare Institutions and Hospitals
- Government and Municipal Buildings
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
Delayed Egress Compliance
The Von Duprin 33A Series supports an upgrade to the CX CHEXIT option, which meets NFPA and IBC requirements for delayed egress applications. When activated, the standard device keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant delayed egress functionality for facilities requiring controlled egress management.
Why Choose Von Duprin Quality?
Von Duprin rim exit device products deliver professional-grade reliability backed by ANSI/BHMA A156.3 2014 Grade 1 certification and compliance with ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 standards. The 33A Series is engineered for high-use and high-abuse institutional environments including schools, hospitals, and government facilities, with field-configurable options and retrofit kits that allow the device to evolve alongside changing technology and access control requirements. Engineered for demanding commercial applications where dependable panic egress performance is essential.
Manufacturer Resources
Von Duprin 98/99 Series Catalog
Product Specs
- Product Group:
- Exit Devices and Trim
- Series:
- 33/35 Series
- Grade:
- Grade 1
- Fasteners:
- Includes 1-3/4" and 2-1/4" wood/metal door fasteners, SNB included
- Product Subgroup:
- Exit Devices - Rim
- Subcategory:
- Rim Exit Devices
- Latch Throw:
- 3/4"
- Product Type:
- Exit Devices - Rim
- Commercial/Residential:
- Commercial
- Device Centerline from Finished Floor:
- 39-13/16"
- Stile Type:
- Narrow Stile
- Wood Door Compatible:
- No
- MAP Policy:
- Yes
- Tags:
- von duprin 33, von duprin 33a, von duprin 33a series, von duprin 33a nl op, von duprin 33 rim panic, 33a von duprin, von duprin 33 exit device, von duprin 33a eo, von duprin series 33, vonduprin 33
- Product Model:
- 33A/35A-3'
- Collection:
- 33 & 35 Series
- Door Hand Direction:
- Non-Handed
- Door Thickness Range:
- 1-3/4"
- Product Size:
- 36"
- Dogging Configuration:
- Hex Key Dogging
- Product Dimension:
- 8-3/16" x 1-9/16" x 2-13/32"
- Fire Rating:
- No
- Product Projection:
- 3-13/16"
- Product Style:
- Push Pads
- Product Category:
- Exit Devices and Trim
- Department:
- Door Hardware
Parts & Accessories
Von Duprin 33AEO 3 US26D – Frequently Asked Questions
1) What door types is the Von Duprin 33A series compatible with?
The 33A series fits narrow stile aluminum storefront doors and glass doors. It's designed for doors up to 48 inches wide with stile widths as narrow as 2 inches. Verify your door's structural capacity can handle the device weight.
2) How do I determine the correct handing for this exit device?
Stand on the egress side of the door. If hinges are on your right, order RHR (right hand reverse). If hinges are on your left, order LHR (left hand reverse). The 33A series is field-reversible for installation flexibility.
3) What finish options are available for the 33A series?
Standard finishes include aluminum clear anodized, dark bronze anodized, and painted options. Custom finishes may be available. Check with manufacturer specifications for your specific application requirements.
4) What grade rating does this exit device carry?
The Von Duprin 33A series typically carries Grade 1 certification for heavy-duty commercial applications. It meets ANSI/BHMA A156.3 standards for exit devices. Verify specific grade requirements with your local code official.
5) Does this device meet fire door requirements?
Yes, when properly installed with listed components, the 33A series can be used on fire-rated openings. Ensure all components including strikes and mounting hardware are from the same fire listing. Check the fire door label for specific requirements.
6) What accessories are commonly needed with the 33A series?
Common accessories include electric latch retraction (EL), request-to-exit switches, key cylinders, and weather seals. Mounting brackets and strikes are typically included. Consider Von Duprin accessories for complete system integration.
7) How is the 33A series typically mounted?
The device mounts to the door interior using through-bolts or machine screws into reinforcement. The strike mounts to the frame header. Follow manufacturer templates exactly. Reinforcement plates may be required for hollow metal doors.
8) Can the pushbar be adjusted after installation?
Yes, the pushbar height and projection can be adjusted within specified ranges. The device includes adjustment screws for fine-tuning. Make adjustments gradually and test operation after each change. Follow manufacturer adjustment procedures.
9) What's the difference between 33A and other Von Duprin series?
The 33A is specifically designed for narrow stile doors, while the 99 series fits standard commercial doors. The 22 series is for surface vertical rod applications. Each series has different mounting requirements and door compatibility.
10) How do I maintain the 33A exit device?
Clean the pushbar and housing regularly with mild detergent. Lubricate pivot points with light machine oil annually. Check for loose mounting hardware. Test the device monthly to ensure smooth operation and proper latching.
11) What are the key measurements needed before ordering?
Measure door width, thickness, and stile width. Note the backset from door edge to centerline of cylinder prep if keyed. Verify frame header depth for strike clearance. Check door weight capacity and hinge reinforcement.
How fast can I get the Von Duprin 33AEO 3 US26D 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 Von Duprin 33AEO 3 US26D come with a warranty?
Absolutely. The Von Duprin 33AEO 3 US26D 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 Von Duprin 33AEO 3 US26D?
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