Von Duprin 33A/35A Series Trim Functions – Versatile, Future-Ready Solutions

Upgrade your facility with confidence using Von Duprin's 33A/35A Series trim options—engineered for flexibility, reliability, and long-term value. Designed with modularity at its core, this series allows seamless adaptation as your security needs evolve, offering both mechanical and electronic compatibility to keep your systems future-ready.

Key Benefits:

• Flexible Integration: Easily add or upgrade trim functions without replacing the entire device.

• Multiple Styles: Choose from levers, knobs, latches, thumbpiece, and thumbturn designs to fit your specific aesthetic and functional requirements.

• Enhanced Durability: Built to last, protecting your investment with proven Von Duprin quality.

Available Trim Functions:

• 550DT – Dummy Trim
  A cost-effective solution when latching isn’t required. Used as a pull when device is dogged.

• 386NL – Night Latch
  Provides secure access control—key retracts the latch bolt for authorized entry.

• 386DT – Dummy Trim with Lock/Unlock
  Offers added security with a keyed lock/unlock function for controlled access.

• 388NL-OP – Night Latch with Optional Pull
  Combines security and convenience. Key retracts the latch bolt; optional pull provides added usability.

Whether you're upgrading existing hardware or outfitting new doors, Von Duprin's trim solutions ensure you're prepared for today's needs—and tomorrow's.