D&D BUILDERS HARDWARE CO. - D&D Builders Hardware Co. is a door closer and hardware manufacturer in Taiwan, produces hardware for doors and windows.

Grade 1 Concealed Vertical Rod Exit Device | D&D UL Certified

UL certified ED-400 concealed vertical rod exit device meets Grade 1 ANSI standards, 3-hour fire rating, ADA compliant. Retrofit compatible solution.

Grade 1 UL Certified Concealed Vertical Rod Exit Device for Fire-Rated Applications

ED-400 concealed vertical rod panic bar with 3-hour fire rating, ADA compliance, and Von Duprin 99/98 series retrofit compatibility

Grade 1 Concealed Vertical Rod Exit Device - Conceal Vertical Rod Exit Device
  • Grade 1 Concealed Vertical Rod Exit Device - Conceal Vertical Rod Exit Device

Grade 1 Concealed Vertical Rod Exit Device

ED-400 C series

Conceal Vertical Rod Exit Device similar to Cal-Royal MCVR7700 & FMCVR7700 series

The grade 1 exit device ED-400 concealed vertical rod exit device provides a UL certified solution to meet ADA standards for maximum 5 lb operating force and conforms to standard UL 10C 3 hours fire rating.

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Compare to the exposed vertical rod, the concealed vertical rod make the door have concordant beauty.
Normally, the fire rated concealed vertical rod exit device is more popular than non fire rated one.

When your application calls for reliable and durable quality, ED-400 concealed vertical rod exit devices fills the need. D&D’s exit devices meet life safety and compliance challenges with opening solutions that make access in life – smart and secure.

** Forbid selling to America and Canada.**

Features
  • Rail assemblies are heavy duty extruded aluminum body with stainless steel push pad and end cap is made of brass, aluminum or stainless steel.
  • ANSI A156.3, Grade 1 heavy duty exit device in concealed vertical rod design.
  • UL Listed for panic and UL 10C, UBC 7-2-1997 codes
  • UL Listed for fire exit hardware, 3 hours
  • Label rating in pairs of doors up to 8’ x 8’ swing in the same or opposite directions.
  • Conforms and meets ADA regulations
  • Retrofits on Von Duprin 99 & 98 series
  • Uncompromising security and safety in single and double fire exit doors
  • Chassis mounted unit construction
  • Available in various applications
  • Escutcheon trims are grade 1 construction with clutch freewheeling mechanism
Specification
  • Minimum stile: 4-1/2”
  • Standard door thickness 1-3/4”
  • Rail assembly: heavy gauge extruded aluminum body with stainless steel push pad
  • Chassis: nonferrous alloy
  • Chassis cover: zinc alloy
  • ANSI standard: A156.3, Grade 1
  • Mounting: Furnished standard with wood and machine screws
  • Finish: aluminum, duro, gold
  • Non-handed
  • Top strike: stainless steel 2-5/8" x 1-1/8"
  • Bottom strike: stainless steel: 3-1/2" x 1-1/4"
Packing details
  • 4 sets in one carton
Applications
  • For commercial applications, including wood doors, steel doors or aluminum doors
  • All exit devices shall be of touch bar design with smooth operation and be operative over 2/3 of the door's clear opening width.
  • All exit devices must be listed under "Panic Hardware" in the Accident Equipment List of Underwriters' Laboratories, Inc. Where labeled doors are used as exits, they must be equipped with labeled Fire Exit Hardware and UL 10C, UBC 7-2-1997 codes.
  • All exit devices shall be of chassis mounted unit construction.
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Exit Device
Exit Device

Partial of our exit devices are UL listed, grade 1 with 500,000 cycle test. A panic bar or fire rated exit device is necessary for emergency conditions...

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How Can You Ensure Fire Exit Compliance Without Compromising Door Aesthetics?

The ED-400 concealed vertical rod design eliminates visible hardware while delivering UL certified 3-hour fire protection and ADA-compliant 5 lb operating force. Our chassis-mounted Grade 1 construction meets all life safety codes for commercial projects. Contact us for specification support and compliance documentation to streamline your next building approval process.

Designed for uncompromising security and safety in single and double fire exit doors, the ED-400 offers retrofit compatibility with Von Duprin 99 & 98 series installations. The nonferrous alloy chassis with zinc alloy cover, combined with Grade 1 escutcheon trims featuring clutch freewheeling mechanism, ensures reliable performance across wood, steel, and aluminum door applications. Available in aluminum, duro, and gold finishes with non-handed configuration, this touch bar design operates smoothly over 2/3 of the door's clear opening width. Standard mounting includes both wood and machine screws, with minimum stile requirement of 4-1/2" for 1-3/4" standard door thickness, making it the ideal choice for commercial buildings demanding code-compliant life safety solutions.