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Nolan Low-Profile Sliding Derails: SD-3, SD-4, SD-5, SD-6

Nolan Low-Profile Sliding Derails: SD-3, SD-4, SD-5, SD-6

Manufacturer: Nolan

Product Code: SD-3L

Nolan Low-Profile Sliding Derails: SD-3, SD-4, SD-5, SD-6
 

In response to today's demanding railroad environment, The Nolan Company has re-engineered our series of Sliding Derails.


LOW-PROFILE DERAIL DESIGN
 

SD Series derails are fabricated from tough carbon steel, and are produced using a proven design featuring a lower height above the rail head. They will derail all rolling stock including mainline locomotives when installed and used properly.


BENEFITS
 

  • Longer Design A longer derail block allows for a decreased deflection angle, which increases the functionality of the derail.
  • Low Profile The top of the derail block sits just 2-3/4” above the top of the rail head.
  • Flexibility Nolan’s sliding derails come in two sizes, which cover rail sizes 80 lb to 141 lb.
  • Easy Installation The derails’ horizontal base plate is integrated with the derail housing, and this ensures a perfectly aligned derail, eliminating adzing and shimming of the ties. This unique base design requires no tie strapping or rail braces on the field side of the rails. The derail becomes a fixed part of the track.

 

MODEL #

DERAIL TYPE

FITS RAIL WEIGHT
SD-3L Single end Left-hand throw 5" to 6-1/2" (80-110 lb. rail) 260 lbs. (117.93 kg)
SD-3R Single end Right-hand throw 5" to 6-1/2" (80-110 lb. rail) 260 lbs. (117.93 kg)
SD-4L Single end Left-hand throw 6-5/8" to 7-7/16" (112-141 lb. rail) 260 lbs. (117.93 kg)
SD-4R Single end Right-hand throw 6-5/8" to 7-7/16" (112-141 lb. rail) 260 lbs. (117.93 kg)
SD-5 Double end Bidirectional 5" to 6-1/2" (80-110 lb. rail) 285 lbs. (129.27 kg)
 SD-6 Double end Bidirectional 6-5/8" to 7-7/16" (112-141 lb. rail) 285 lbs. (129.27 kg)

 

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