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550-C
Series 550-C

Aluminum Tubular Rail Fire Ladders


The tubular construction of Duo-Safety's 500-C Series incorporates the inherent strength of a rectangle, a channel and an "I" beam combined to provide the ultimate in strength and safety. Construction features include: double parallel fins; double set of truss plates; ribbed, extruded rungs, electrically welded to outside of truss plates; and aluminum rivets. See our Price List for current pricing.

Series 550-C Wall
Series 575-C Roof

  • 750lb Duty Rated


  • SPECIFICATIONS
    SERIES 550-C  Wall
    Size Closed
    Length
    Width Banking
    Thickness
    Weight
    10' 10' .5" 22.5" 4.5" 31 lbs
    12' 12' .5" 22.5" 4.5" 37 lbs
    14' 14' .5" 22.5" 4.5" 44 lbs
    16' 16' .5" 22.5" 4.5" 48 lbs
    18' 18' .5" 22.5" 4.5" 55 lbs
    20' 20' .5" 22.5" 4.5" 59 lbs
    22' 22' .5" 22.5" 4.5" 67 lbs
    24' 24' .5" 22.5" 4.5" 74 lbs
    25' 25' .5" 22.5" 4.5" 77 lbs
    26' 26' .5" 22.5" 5.5" 81 lbs
    28' 28' .5" 22.5" 5.5" 88 lbs
    30' 30' .5" 22.5" 5.5" 96 lbs
    All dimensions listed are N.F.P.A. Design Verification Standards. Variations occur in each product of approximately +/- .125" due to the type of rivets, nuts, bolts etc. used. If you require precise dimensions, please call our office and request a copy of our current field dimension sheets.
    SPECIFICATIONS
    SERIES 575-C  Roof
    Size Closed
    Length
    Width Banking
    Thickness
    Weight
    10' 10' .5" 19.75" 4.5" 39 lbs
    12' 12' .5" 19.75" 4.5" 43 lbs
    14' 14' .5" 19.75" 4.5" 50 lbs
    16' 16' .5" 19.75" 4.5" 55 lbs
    18' 18' .5" 19.75" 4.5" 57 lbs
    20' 20' .5" 19.75" 4.5" 63 lbs
    25' 25' .5" 19.75" 4.5" 80 lbs
    30' 30' .5" 19.75" 5.5" 100 lbs
    All dimensions listed are N.F.P.A. Design Verification Standards. Variations occur in each product of approximately +/- .125" due to the type of rivets, nuts, bolts etc. used. If you require precise dimensions, please call our office and request a copy of our current field dimension sheets.

    Prong feet as Standard
    Rubber safety shoes optional for hard surface use.





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    575-C
    Series 575-C
    Duo-Safety Ladder Corporation   513 W 9th Avenue PO Box 497 Oshkosh WI 54903-0497
    920-231-2740      fax 920-231-2460       mail@duosafety.com      www.duosafety.com