Model 255 - Power

Single Sliding U.L. Rated Fire Door - Power


The pharmaceutical industry was looking for a UL rated fire door that was comparable to the performance and beauty of the standard sliding cleanroom doors.  Cleanseal responded with the revolutionary Excel sliding pharma fire door system that offers exceptional performance, UL compliance and a superior aesthetic design that complements any cleanroom environment.

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  • Exceptional Design
  • 16 ga., 304 #4 stainless steel panel meets U.L. 10B Classification.
  • Will not fade or corrode even when exposed to chemical cleansing agents.
  • Exclusive all stainless steel (no aluminum or other soft metals) heavy-duty rail and trolley assembly.
  • 16 ga. stainless steel side frames and floor hardware.

Panel Construction

  • 1 3/4” thick 16 ga., 304 #4 stainless steel U.L. rated panel.
  • 20 ga. stainless steel edge capping for added protection and durability.
  • Full perimeter gaskets: Non-marking gray vinyl, blade type.

Header/Rail and Side Frame Construction

  • 12 ga. 304 #4 stainless steel header with 3/16” stainless steel rail assembly.
  • 7 ga. stainless steel trolley assemblies.
  • Complete header and rail enclosed within a 16 ga. 304 #4 stainless steel sloped shroud.
  • 16 ga. 304 #4 stainless steel side frames with floor hardware attached (nothing mounted into the floor).
  • 316 stainless steel optional.

Performance Features

  • 1/4 hp electromechanical operator with NEMA 4X control box. Alternate power source must be provided by customer; or optional battery back-up for emergency operation in case of fire.
  • Standard pushplate to open - time delay to close.
  • Reversing edge for instant stop and reverse.
  • Standard dual side frame mounted reversing photoeyes.


  • U.L. rated vision panel with standard U.L. rated sloped frame (size and material subject to U.L.guidelines).

Power Model Options

  • Touchless activation switches. Custom designed interlocking system.
  • Actuators: Variety of activation devices available upon request.
  • Pre-announce to close kit (light/alarm/or combo).
  • Alternate battery back-up power source.
  • Heat dectector fire system.


  • One year limited warranty on all components.
Complete Stainless Package

Complete Stainless Package

Provides the ultimate in sealing and cleanability.

Stainless Header and Rail Assembly

Stainless Header and Rail Assembly

For superior cleanability, durability and aesthetic appeal.